{"id":5167,"date":"2026-03-11T08:37:00","date_gmt":"2026-03-11T00:37:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=5167"},"modified":"2026-03-05T11:30:56","modified_gmt":"2026-03-05T03:30:56","slug":"pcb-trace-width-current-capacity-guide","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/","title":{"rendered":"\u0639\u0631\u0636 \u0623\u062b\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629: \u062f\u0644\u064a\u0644 \u062a\u0635\u0645\u064a\u0645 \u0639\u0645\u0644\u064a"},"content":{"rendered":"<p>\u064a\u0639\u062f \u062a\u0635\u0645\u064a\u0645 \u0622\u062b\u0627\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0628\u0627\u0644\u0639\u0631\u0636 \u0627\u0644\u0635\u062d\u064a\u062d \u0623\u0645\u0631\u064b\u0627 \u0636\u0631\u0648\u0631\u064a\u064b\u0627 \u0644\u0645\u0627 \u064a\u0644\u064a <strong>\u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629\u060c \u0648\u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u060c \u0648\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639<\/strong>.<\/p><p>\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u062a\u0628\u0639 \u0636\u064a\u0642\u064b\u0627 \u062c\u062f\u064b\u0627 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0630\u064a \u064a\u062d\u0645\u0644\u0647\u060c \u0641\u0642\u062f \u064a\u062a\u0633\u0628\u0628 \u0630\u0644\u0643 \u0641\u064a:<\/p><ul class=\"wp-block-list\"><li>\u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0632\u0627\u0626\u062f\u0629<\/li>\n\n<li>\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u062c\u0647\u062f<\/li>\n\n<li>\u0645\u0634\u0627\u0643\u0644 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/li>\n\n<li>\u0641\u0634\u0644 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0641\u064a \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u0642\u0635\u0648\u0649<\/li><\/ul><p>\u0641\u0647\u0645 \u0643\u064a\u0641 <strong>\u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 \u064a\u062a\u0639\u0644\u0642 \u0628\u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629<\/strong> \u064a\u0633\u0627\u0639\u062f \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0639\u0644\u0649 \u062a\u0635\u0645\u064a\u0645 \u0644\u0648\u062d\u0627\u062a \u062a\u0644\u0628\u064a \u0643\u0644\u0627 \u0645\u0646 <strong>\u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0648\u0642\u064a\u0648\u062f \u0627\u0644\u062a\u0635\u0646\u064a\u0639<\/strong>.<\/p><p>\u062a\u0634\u0631\u062d \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0643\u064a\u0641\u064a\u0629 \u0639\u0645\u0644 \u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639\u060c \u0648\u0643\u064a\u0641\u064a\u0629 \u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629\u060c \u0648\u0643\u064a\u0641\u064a\u0629 \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u062e\u0637\u064a\u0637\u0627\u062a \u0644\u062a\u0635\u0646\u064a\u0639 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0641\u064a \u0627\u0644\u0639\u0627\u0644\u0645 \u0627\u0644\u062d\u0642\u064a\u0642\u064a.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"337\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width.jpg\" alt=\"\u0639\u0631\u0636 \u0623\u062b\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" class=\"wp-image-5168\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-300x169.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-18x10.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Why_Trace_Width_Matters_in_PCB_Design\" >\u0623\u0647\u0645\u064a\u0629 \u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 \u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Copper_thickness\" >\u0633\u064f\u0645\u0643 \u0627\u0644\u0646\u062d\u0627\u0633<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Temperature_rise\" >\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#External_vs_internal_layers\" >\u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Basic_Trace_Width_and_Current_Relationship\" >\u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0648\u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Internal_vs_External_Trace_Capacity\" >\u0633\u0639\u0629 \u0627\u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0645\u0642\u0627\u0628\u0644 \u0633\u0639\u0629 \u0627\u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u062e\u0627\u0631\u062c\u064a<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#External_layers\" >\u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Internal_layers\" >\u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Thermal_Effects_of_Narrow_Traces\" >\u0627\u0644\u062a\u0623\u062b\u064a\u0631\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0644\u0644\u0622\u062b\u0627\u0631 \u0627\u0644\u0636\u064a\u0642\u0629<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Copper_overheating\" >\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0646\u062d\u0627\u0633<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Laminate_degradation\" >\u062a\u062d\u0644\u0644 \u0627\u0644\u0635\u0641\u0627\u0626\u062d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Solder_joint_reliability_issues\" >\u0645\u0634\u0643\u0644\u0627\u062a \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0648\u0635\u0644\u0629 \u0627\u0644\u0644\u062d\u0627\u0645<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#How_to_Calculate_PCB_Trace_Width_Step-by-Step\" >\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u0639\u0631\u0636 \u0623\u062b\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 (\u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Step_1_%E2%80%93_Determine_maximum_current\" >\u0627\u0644\u062e\u0637\u0648\u0629 1 - \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0644\u062a\u064a\u0627\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Step_2_%E2%80%93_Define_allowable_temperature_rise\" >\u0627\u0644\u062e\u0637\u0648\u0629 2 - \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0633\u0645\u0648\u062d \u0628\u0647 \u0641\u064a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Step_3_%E2%80%93_Choose_copper_thickness\" >\u0627\u0644\u062e\u0637\u0648\u0629 3 - \u0627\u062e\u062a\u0631 \u0633\u0645\u0627\u0643\u0629 \u0627\u0644\u0646\u062d\u0627\u0633<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Step_4_%E2%80%93_Use_a_trace_width_calculator\" >\u0627\u0644\u062e\u0637\u0648\u0629 4 - \u0627\u0633\u062a\u062e\u062f\u0645 \u062d\u0627\u0633\u0628\u0629 \u0639\u0631\u0636 \u0627\u0644\u0623\u062b\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Step_5_%E2%80%93_Validate_using_DFM_review\" >\u0627\u0644\u062e\u0637\u0648\u0629 5 - \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0635\u062d\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0631\u0627\u062c\u0639\u0629 \u0633\u0648\u0642 \u062f\u0628\u064a \u0627\u0644\u0645\u0627\u0644\u064a<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Practical_Design_Tips_for_High-Current_Traces\" >\u0646\u0635\u0627\u0626\u062d \u062a\u0635\u0645\u064a\u0645 \u0639\u0645\u0644\u064a\u0629 \u0644\u062a\u062a\u0628\u0639 \u0622\u062b\u0627\u0631 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0627\u0644\u064a<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Increase_copper_thickness\" >\u0632\u064a\u0627\u062f\u0629 \u0633\u0645\u0627\u0643\u0629 \u0627\u0644\u0646\u062d\u0627\u0633<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Use_wider_copper_pours\" >\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0635\u0628 \u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0623\u0639\u0631\u0636<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Add_parallel_traces\" >\u0625\u0636\u0627\u0641\u0629 \u0622\u062b\u0627\u0631 \u0645\u062a\u0648\u0627\u0632\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Use_thermal_vias\" >\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0634\u0642\u0648\u0642 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Manufacturing_Constraints_for_Trace_Width\" >\u0642\u064a\u0648\u062f \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0644\u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#How_Manufacturers_Evaluate_Trace_Design\" >\u0643\u064a\u0641 \u064a\u0642\u0648\u0645 \u0627\u0644\u0645\u0635\u0646\u0639\u0648\u0646 \u0628\u062a\u0642\u064a\u064a\u0645 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062a\u062a\u0628\u0639<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#Conclusion\" >\u0627\u0644\u062e\u0627\u062a\u0645\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/#FAQ\" >\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Trace_Width_Matters_in_PCB_Design\"><\/span>\u0623\u0647\u0645\u064a\u0629 \u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 \u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u064a\u062d\u062f\u062f \u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 \u0645\u0642\u062f\u0627\u0631 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0630\u064a \u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0648\u0635\u0644 \u0627\u0644\u0646\u062d\u0627\u0633\u064a \u0623\u0646 \u064a\u062d\u0645\u0644\u0647 \u0628\u0623\u0645\u0627\u0646 \u062f\u0648\u0646 \u0623\u0646 \u062a\u0631\u062a\u0641\u0639 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u062a\u0647.<\/p><p>\u0647\u0646\u0627\u0643 \u0639\u062f\u0629 \u0639\u0648\u0627\u0645\u0644 \u062a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0627\u0644\u0639\u0644\u0627\u0642\u0629:<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Copper_thickness\"><\/span>\u0633\u064f\u0645\u0643 \u0627\u0644\u0646\u062d\u0627\u0633<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u062a\u0634\u0645\u0644 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p><ul class=\"wp-block-list\"><li>1 \u0623\u0648\u0646\u0635\u0629 \u0646\u062d\u0627\u0633 (35 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631)<\/li>\n\n<li>2 \u0623\u0648\u0646\u0635\u0629 \u0645\u0646 \u0627\u0644\u0646\u062d\u0627\u0633 (70 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631)<\/li>\n\n<li>\u062a\u0635\u0627\u0645\u064a\u0645 \u0646\u062d\u0627\u0633\u064a\u0629 \u062b\u0642\u064a\u0644\u0629 (3 \u0623\u0648\u0646\u0635\u0627\u062a \u0641\u0623\u0643\u062b\u0631)<\/li><\/ul><p>\u064a\u0632\u064a\u062f \u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0633\u0645\u064a\u0643 \u0645\u0646 \u0633\u0639\u0629 \u0627\u0644\u062a\u064a\u0627\u0631.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Temperature_rise\"><\/span>\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u062a\u0641\u062a\u0631\u0636 \u0625\u0631\u0634\u0627\u062f\u0627\u062a \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0639\u0627\u062f\u0629\u064b \u0627\u0631\u062a\u0641\u0627\u0639\u0627\u064b \u0645\u0642\u0628\u0648\u0644\u0627\u064b \u0641\u064a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629\u060c \u0645\u062b\u0644:<\/p><ul class=\"wp-block-list\"><li>10\u00b0C<\/li>\n\n<li>20\u00b0C<\/li>\n\n<li>30\u00b0C<\/li><\/ul><p>\u064a\u062a\u0637\u0644\u0628 \u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u0622\u062b\u0627\u0631\u064b\u0627 \u0623\u0648\u0633\u0639.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"External_vs_internal_layers\"><\/span>\u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u062a\u0639\u0645\u0644 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u0639\u0644\u0649 \u062a\u0628\u062f\u064a\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0628\u0633\u0647\u0648\u0644\u0629 \u0623\u0643\u0628\u0631.<\/p><p>\u0642\u0627\u0639\u062f\u0629 \u0646\u0645\u0648\u0630\u062c\u064a\u0629:<\/p><ul class=\"wp-block-list\"><li>\u062a\u062d\u0645\u0644 \u0627\u0644\u0622\u062b\u0627\u0631 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 <strong>\u0623\u0642\u0644 \u062a\u064a\u0627\u0631\u064b\u0627<\/strong> \u0645\u0646 \u0622\u062b\u0627\u0631 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629.<\/li><\/ul><p>\u064a\u062a\u0645 \u0634\u0631\u062d \u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0645\u062b\u0644 \u0633\u0645\u0627\u0643\u0629 \u0627\u0644\u0646\u062d\u0627\u0633 \u0648\u062a\u0631\u0627\u0643\u0645 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0641\u064a \u0633\u064a\u0631 \u0639\u0645\u0644 \u0625\u0646\u062a\u0627\u062c \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0641\u064a: <strong><a href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-manufacturing-process-explained-step-by-step\/\">\u0634\u0631\u062d \u0639\u0645\u0644\u064a\u0629 \u062a\u0635\u0646\u064a\u0639 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Basic_Trace_Width_and_Current_Relationship\"><\/span>\u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0648\u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u062a\u064f\u0642\u062f\u064e\u0651\u0631 \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0628\u064a\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0648\u0639\u0631\u0636 \u0627\u0644\u0645\u0633\u0627\u0631 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 <strong>\u0645\u0639\u064a\u0627\u0631 IPC-2221<\/strong>.<\/p><p>\u0642\u0627\u0639\u062f\u0629 \u0639\u0627\u0645\u0629 \u0645\u0628\u0633\u0637\u0629<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639<\/th><th>\u0648\u0632\u0646 \u0627\u0644\u0646\u062d\u0627\u0633<\/th><th>\u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629<\/th><\/tr><\/thead><tbody><tr><td>10 \u0645\u0644\u0627\u064a\u064a\u0646 \u062f\u0648\u0644\u0627\u0631<\/td><td>1 \u0623\u0648\u0646\u0635\u0629<\/td><td>~1 A<\/td><\/tr><tr><td>20 \u0645\u0644\u064a\u0648\u0646 \u062f\u0648\u0644\u0627\u0631<\/td><td>1 \u0623\u0648\u0646\u0635\u0629<\/td><td>~2-3 A<\/td><\/tr><tr><td>50 \u0645\u0644\u064a\u0648\u0646 \u062f\u0648\u0644\u0627\u0631<\/td><td>1 \u0623\u0648\u0646\u0635\u0629<\/td><td>~5-6 A<\/td><\/tr><\/tbody><\/table><\/figure><p>\u0647\u0630\u0647 \u0647\u064a <strong>\u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u062a\u0642\u0631\u064a\u0628\u064a\u0629<\/strong>\u060c \u0648\u064a\u062c\u0628 \u0623\u0646 \u062a\u062a\u0636\u0645\u0646 \u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p><ul class=\"wp-block-list\"><li>\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/li>\n\n<li>\u0633\u064f\u0645\u0643 \u0627\u0644\u0646\u062d\u0627\u0633<\/li>\n\n<li>\u0637\u0648\u0644 \u0627\u0644\u062a\u062a\u0628\u0639<\/li>\n\n<li>\u0628\u064a\u0626\u0629 \u0627\u0644\u0645\u062c\u0644\u0633<\/li><\/ul><p>\u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u063a\u064a\u0631 \u0627\u0644\u0633\u0644\u064a\u0645 \u0645\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0647\u0648 \u0623\u062d\u062f \u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0627\u0644\u062a\u064a \u062a\u0645\u062a \u0645\u0646\u0627\u0642\u0634\u062a\u0647\u0627 \u0641\u064a: <strong><a href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/common-pcb-failures-causes-solutions\/\">\u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0641\u064a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631: \u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0648\u0627\u0644\u062d\u0644\u0648\u0644<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Internal_vs_External_Trace_Capacity\"><\/span>\u0633\u0639\u0629 \u0627\u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0645\u0642\u0627\u0628\u0644 \u0633\u0639\u0629 \u0627\u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u062e\u0627\u0631\u062c\u064a<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u062a\u0624\u062b\u0631 \u0645\u0643\u062f\u0633\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0639\u0644\u0649 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u062d\u0631\u0627\u0631\u064a.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"External_layers\"><\/span>\u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u0627\u0644\u0645\u0632\u0627\u064a\u0627:il \u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a:<\/p><ul class=\"wp-block-list\"><li>\u062a\u0628\u062f\u064a\u062f \u0623\u0641\u0636\u0644 \u0644\u0644\u062d\u0631\u0627\u0631\u0629<\/li>\n\n<li>\u0633\u0639\u0629 \u062a\u064a\u0627\u0631 \u0623\u0639\u0644\u0649<\/li>\n\n<li>\u0633\u0647\u0648\u0644\u0629 \u0627\u0644\u0641\u062d\u0635<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Internal_layers\"><\/span>\u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u0627\u0644\u0642\u064a\u0648\u062f:il \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u0637\u0627\u0628\u0642\u0629:<\/p><ul class=\"wp-block-list\"><li>\u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u062a\u0628\u0633\u0629<\/li>\n\n<li>\u062a\u0628\u0631\u064a\u062f \u0645\u062e\u0641\u0636<\/li>\n\n<li>\u0633\u0639\u0629 \u062a\u064a\u0627\u0631 \u0623\u0635\u063a\u0631<\/li><\/ul><p>\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0646\u0648\u0639 \u0627\u0644\u0637\u0628\u0642\u0629<\/th><th>\u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629<\/th><\/tr><\/thead><tbody><tr><td>\u062e\u0627\u0631\u062c\u064a<\/td><td>\u0623\u0639\u0644\u0649<\/td><\/tr><tr><td>\u062f\u0627\u062e\u0644\u064a<\/td><td>50-70% \u0645\u0646 \u062e\u0627\u0631\u062c\u064a<\/td><\/tr><\/tbody><\/table><\/figure><p>\u064a\u0624\u062b\u0631 \u062a\u062e\u0637\u064a\u0637 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0623\u064a\u0636\u064b\u0627 \u0639\u0644\u0649 \u062a\u0639\u0642\u064a\u062f\u0627\u062a \u0627\u0644\u062a\u0635\u0646\u064a\u0639\u060c \u0648\u0647\u0648 \u0645\u0627 \u062a\u0645\u062a \u0645\u0646\u0627\u0642\u0634\u062a\u0647 \u0641\u064a <strong><a href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/8-layer-pcb-stackup\/\">\u062f\u0644\u064a\u0644 \u062a\u0635\u0645\u064a\u0645 \u062a\u0643\u062f\u064a\u0633 \u0637\u0628\u0642\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a><\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"337\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-1.jpg\" alt=\"\u0639\u0631\u0636 \u0623\u062b\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" class=\"wp-image-5169\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-1-300x169.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-1-18x10.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thermal_Effects_of_Narrow_Traces\"><\/span>\u0627\u0644\u062a\u0623\u062b\u064a\u0631\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0644\u0644\u0622\u062b\u0627\u0631 \u0627\u0644\u0636\u064a\u0642\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u0622\u062b\u0627\u0631 \u0635\u063a\u064a\u0631\u0629 \u0627\u0644\u062d\u062c\u0645\u060c \u064a\u0635\u0628\u062d \u062a\u0631\u0627\u0643\u0645 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u062e\u0637\u0631\u064b\u0627 \u0643\u0628\u064a\u0631\u064b\u0627.<\/p><p>\u062a\u0634\u0645\u0644 \u0627\u0644\u0639\u0648\u0627\u0642\u0628 \u0627\u0644\u0645\u062d\u062a\u0645\u0644\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Copper_overheating\"><\/span>\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0646\u062d\u0627\u0633<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0624\u062f\u064a \u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0625\u0644\u0649 \u0631\u0641\u0639 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0646\u062d\u0627\u0633 \u0628\u0633\u0631\u0639\u0629.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Laminate_degradation\"><\/span>\u062a\u062d\u0644\u0644 \u0627\u0644\u0635\u0641\u0627\u0626\u062d<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u0642\u062f \u062a\u0624\u062f\u064a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0632\u0627\u0626\u062f\u0629 \u0625\u0644\u0649 \u062a\u0644\u0641 \u0631\u0643\u064a\u0632\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Solder_joint_reliability_issues\"><\/span>\u0645\u0634\u0643\u0644\u0627\u062a \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0648\u0635\u0644\u0629 \u0627\u0644\u0644\u062d\u0627\u0645<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u064a\u0624\u062f\u064a \u0627\u0644\u062a\u062f\u0648\u064a\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0625\u0644\u0649 \u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0648\u0627\u0644\u0648\u0633\u0627\u062f\u0627\u062a.<\/p><p>\u062a\u0646\u0634\u0623 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0645\u0646 \u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0648\u0627\u0644\u062d\u0631\u0627\u0631\u064a. \u064a\u0645\u0643\u0646\u0643 \u0645\u0639\u0631\u0641\u0629 \u0627\u0644\u0645\u0632\u064a\u062f \u0641\u064a: <strong><a href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-reliability-testing-standards\/\">\u0634\u0631\u062d \u0637\u0631\u0642 \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Calculate_PCB_Trace_Width_Step-by-Step\"><\/span>\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u0639\u0631\u0636 \u0623\u062b\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 (\u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629)<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0645\u0635\u0645\u0645\u0648\u0646 \u0627\u0644\u0622\u0644\u0627\u062a \u0627\u0644\u062d\u0627\u0633\u0628\u0629 \u0623\u0648 \u0627\u0644\u0635\u064a\u063a \u0627\u0644\u0645\u0634\u062a\u0642\u0629 \u0645\u0646 \u0645\u0639\u0627\u064a\u064a\u0631 IPC.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_1_%E2%80%93_Determine_maximum_current\"><\/span>\u0627\u0644\u062e\u0637\u0648\u0629 1 - \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0644\u062a\u064a\u0627\u0631<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u062d\u062f\u0650\u0651\u062f \u0623\u0639\u0644\u0649 \u062a\u064a\u0627\u0631 \u064a\u062c\u0628 \u0623\u0646 \u064a\u062d\u0645\u0644\u0647 \u0627\u0644\u062a\u062a\u0628\u0639.<\/p><p>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0630\u0644\u0643:<\/p><pre class=\"wp-block-preformatted\">\u062e\u0631\u062c \u0645\u0634\u063a\u0644 \u0627\u0644\u0645\u062d\u0631\u0643 = 4 \u0623\u0645\u0628\u064a\u0631<\/pre><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2_%E2%80%93_Define_allowable_temperature_rise\"><\/span>\u0627\u0644\u062e\u0637\u0648\u0629 2 - \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0633\u0645\u0648\u062d \u0628\u0647 \u0641\u064a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629:<\/p><pre class=\"wp-block-preformatted\">10 \u062f\u0631\u062c\u0627\u062a \u0645\u0626\u0648\u064a\u0629 \u062a\u0635\u0645\u064a\u0645 \u0645\u062a\u062d\u0641\u0638<br>\u062a\u0635\u0645\u064a\u0645 \u0645\u0634\u062a\u0631\u0643 20 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/pre><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3_%E2%80%93_Choose_copper_thickness\"><\/span>\u0627\u0644\u062e\u0637\u0648\u0629 3 - \u0627\u062e\u062a\u0631 \u0633\u0645\u0627\u0643\u0629 \u0627\u0644\u0646\u062d\u0627\u0633<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0630\u0644\u0643:<\/p><pre class=\"wp-block-preformatted\">1 \u0623\u0648\u0646\u0635\u0629 \u0646\u062d\u0627\u0633<\/pre><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_4_%E2%80%93_Use_a_trace_width_calculator\"><\/span>\u0627\u0644\u062e\u0637\u0648\u0629 4 - \u0627\u0633\u062a\u062e\u062f\u0645 \u062d\u0627\u0633\u0628\u0629 \u0639\u0631\u0636 \u0627\u0644\u0623\u062b\u0631<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u062a\u0648\u0641\u0631 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0623\u062f\u0648\u0627\u062a EDA \u0623\u0648 \u0627\u0644\u0622\u0644\u0627\u062a \u0627\u0644\u062d\u0627\u0633\u0628\u0629 \u0639\u0628\u0631 \u0627\u0644\u0625\u0646\u062a\u0631\u0646\u062a \u0642\u064a\u0645\u064b\u0627 \u062f\u0642\u064a\u0642\u0629.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_5_%E2%80%93_Validate_using_DFM_review\"><\/span>\u0627\u0644\u062e\u0637\u0648\u0629 5 - \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0635\u062d\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0631\u0627\u062c\u0639\u0629 \u0633\u0648\u0642 \u062f\u0628\u064a \u0627\u0644\u0645\u0627\u0644\u064a<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0635\u0646\u0639\u064a\u0646 \u062a\u0623\u0643\u064a\u062f \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u064a\u0641\u064a \u0628\u062a\u0641\u0627\u0648\u062a\u0627\u062a \u0627\u0644\u062a\u0635\u0646\u064a\u0639.<\/p><p>\u064a\u062a\u0645 \u0634\u0631\u062d \u0637\u0631\u0642 \u0645\u0631\u0627\u062c\u0639\u0629 \u0633\u0648\u0642 \u062f\u0628\u064a \u0627\u0644\u0645\u0627\u0644\u064a \u0641\u064a: <strong><a href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/complete-guide-to-pcb-design-for-manufacturability-dfm\/\">\u0645\u0627 \u0647\u0648 \u0633\u0648\u0642 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0648\u0645\u0627 \u0623\u0647\u0645\u064a\u062a\u0647 \u0641\u064a \u0627\u0644\u062a\u0635\u0646\u064a\u0639<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Practical_Design_Tips_for_High-Current_Traces\"><\/span>\u0646\u0635\u0627\u0626\u062d \u062a\u0635\u0645\u064a\u0645 \u0639\u0645\u0644\u064a\u0629 \u0644\u062a\u062a\u0628\u0639 \u0622\u062b\u0627\u0631 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0627\u0644\u064a<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u062a\u0633\u0627\u0639\u062f \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0641\u064a \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u062a\u064a\u0627\u0631.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Increase_copper_thickness\"><\/span>\u0632\u064a\u0627\u062f\u0629 \u0633\u0645\u0627\u0643\u0629 \u0627\u0644\u0646\u062d\u0627\u0633<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 <strong>2 \u0623\u0648\u0646\u0635\u0629 \u0645\u0646 \u0627\u0644\u0646\u062d\u0627\u0633<\/strong> \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Use_wider_copper_pours\"><\/span>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0635\u0628 \u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0623\u0639\u0631\u0636<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u062a\u0642\u0644\u0644 \u0627\u0644\u0645\u0633\u0627\u062d\u0627\u062a \u0627\u0644\u0646\u062d\u0627\u0633\u064a\u0629 \u0627\u0644\u0643\u0628\u064a\u0631\u0629 \u0645\u0646 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0648\u0627\u0644\u062d\u0631\u0627\u0631\u0629.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Add_parallel_traces\"><\/span>\u0625\u0636\u0627\u0641\u0629 \u0622\u062b\u0627\u0631 \u0645\u062a\u0648\u0627\u0632\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u064a\u0624\u062f\u064a \u062a\u0642\u0633\u064a\u0645 \u0627\u0644\u062a\u064a\u0627\u0631 \u0639\u0628\u0631 \u0639\u062f\u0629 \u0645\u0633\u0627\u0631\u0627\u062a \u0625\u0644\u0649 \u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u062d\u0645\u0644.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Use_thermal_vias\"><\/span>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0634\u0642\u0648\u0642 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u062a\u0648\u0632\u0639 \u0627\u0644\u0634\u0642\u0648\u0642 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0639\u0628\u0631 \u0627\u0644\u0637\u0628\u0642\u0627\u062a.<\/p><p>\u064a\u062a\u0645 \u062a\u063a\u0637\u064a\u0629 \u0627\u0644\u062d\u0641\u0631 \u0648\u0639\u0628\u0631 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0641\u064a: <strong><a href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-drilling-vs-laser-drilling\/\">\u062d\u0641\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u062d\u0641\u0631 \u0628\u0627\u0644\u0644\u064a\u0632\u0631: \u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0627\u0644\u062a\u0635\u0646\u064a\u0639<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_Constraints_for_Trace_Width\"><\/span>\u0642\u064a\u0648\u062f \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0644\u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u064a\u0642\u062f\u0645 \u062a\u0635\u0646\u064a\u0639 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u062d\u062f\u0648\u062f\u064b\u0627 \u0639\u0645\u0644\u064a\u0629.<\/p><p>\u0642\u062f\u0631\u0627\u062a \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/th><th>\u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/th><\/tr><\/thead><tbody><tr><td>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639<\/td><td>4-6 \u0645\u064a\u0644<\/td><\/tr><tr><td>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0627\u0644\u062a\u0628\u0627\u0639\u062f<\/td><td>4-6 \u0645\u064a\u0644<\/td><\/tr><tr><td>\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0646\u062d\u0627\u0633\u064a\u0629 \u062b\u0642\u064a\u0644\u0629<\/td><td>\u0639\u0645\u0644\u064a\u0629 \u062e\u0627\u0635\u0629<\/td><\/tr><\/tbody><\/table><\/figure><p>\u064a\u0639\u0645\u0644 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0636\u0645\u0646 \u062d\u062f\u0648\u062f \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0639\u0644\u0649 \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0625\u0646\u062a\u0627\u062c\u064a\u0629 \u0648\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u062a\u0643\u0644\u0641\u0629.<\/p><p>\u062a\u062a\u0645 \u0645\u0646\u0627\u0642\u0634\u0629 \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0628\u064a\u0646 \u062a\u0639\u0642\u064a\u062f \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0648\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0641\u064a: <strong><a href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/how-to-reduce-pcb-cost-without-compromising-quality\/\">\u0643\u064a\u0641\u064a\u0629 \u062a\u0642\u0644\u064a\u0644 \u062a\u0643\u0644\u0641\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u062f\u0648\u0646 \u0627\u0644\u0645\u0633\u0627\u0633 \u0628\u0627\u0644\u062c\u0648\u062f\u0629<\/a><\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"337\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-2.jpg\" alt=\"\u0639\u0631\u0636 \u0623\u062b\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" class=\"wp-image-5170\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-2-300x169.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-2-18x10.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Manufacturers_Evaluate_Trace_Design\"><\/span>\u0643\u064a\u0641 \u064a\u0642\u0648\u0645 \u0627\u0644\u0645\u0635\u0646\u0639\u0648\u0646 \u0628\u062a\u0642\u064a\u064a\u0645 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062a\u062a\u0628\u0639<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u0642\u0648\u0645 \u0645\u0635\u0646\u0639\u0648 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0627\u0644\u0645\u062d\u062a\u0631\u0641\u0648\u0646 <strong>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0642\u0648\u0627\u0639\u062f \u0627\u0644\u062a\u0635\u0645\u064a\u0645 (DRC)<\/strong> \u0648 <strong>\u062a\u062d\u0644\u064a\u0644 \u0633\u0648\u0642 \u062f\u0628\u064a \u0627\u0644\u0645\u0627\u0644\u064a<\/strong> \u0642\u0628\u0644 \u0627\u0644\u0625\u0646\u062a\u0627\u062c.<\/p><p>\u064a\u0631\u0627\u062c\u0639\u0648\u0646:<\/p><ul class=\"wp-block-list\"><li>\u0639\u0631\u0636 \u0627\u0644\u0623\u062b\u0631 \u0645\u0642\u0627\u0628\u0644 \u0648\u0632\u0646 \u0627\u0644\u0646\u062d\u0627\u0633<\/li>\n\n<li>\u062a\u0641\u0627\u0648\u062a\u0627\u062a \u0627\u0644\u062a\u0628\u0627\u0639\u062f<\/li>\n\n<li>\u0627\u0644\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/li>\n\n<li>\u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u0627\u0633\u062a\u064a\u0639\u0627\u0628\u064a\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629<\/li><\/ul><p>\u0641\u064a \u0634\u0631\u0643\u0627\u062a \u0645\u062b\u0644 <strong>TOPFAST<\/strong>\u060c \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u062a\u062d\u0642\u0642 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0645\u0646 \u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u062a\u062e\u0637\u064a\u0637 \u0642\u0628\u0644 \u0628\u062f\u0621 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0644\u062a\u0642\u0644\u064a\u0644 \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0648\u0636\u0645\u0627\u0646 \u0623\u062f\u0627\u0621 \u0645\u0633\u062a\u0642\u0631 \u0639\u0628\u0631 \u062f\u0641\u0639\u0627\u062a \u0627\u0644\u0625\u0646\u062a\u0627\u062c.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>\u0627\u0644\u062e\u0627\u062a\u0645\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u064a\u0644\u0639\u0628 \u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 \u062f\u0648\u0631\u064b\u0627 \u062d\u0627\u0633\u0645\u064b\u0627 \u0641\u064a \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0648\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639.<\/p><p>\u062a\u0634\u0645\u0644 \u0627\u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u0644\u0635\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p><ul class=\"wp-block-list\"><li>\u064a\u062d\u062f\u062f \u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629 \u0648\u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/li>\n\n<li>\u062a\u0624\u062b\u0631 \u0633\u0645\u0627\u0643\u0629 \u0627\u0644\u0646\u062d\u0627\u0633 \u0648\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0628\u0634\u062f\u0629 \u0639\u0644\u0649 \u0642\u0648\u0627\u0639\u062f \u0627\u0644\u062a\u0635\u0645\u064a\u0645<\/li>\n\n<li>\u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u062d\u0645\u0644 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u062a\u064a\u0627\u0631\u0627\u064b \u0623\u0643\u062b\u0631 \u0645\u0646 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629<\/li>\n\n<li>\u062a\u0636\u0645\u0646 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u0633\u0644\u064a\u0645\u0629 \u0644\u0633\u0648\u0642 \u062f\u0628\u064a \u0627\u0644\u0645\u0627\u0644\u064a \u0625\u0645\u0643\u0627\u0646\u064a\u0629 \u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0628\u0634\u0643\u0644 \u0645\u0648\u062b\u0648\u0642<\/li><\/ul><p>\u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u062c\u0645\u0639 \u0628\u064a\u0646 <strong>\u062d\u0633\u0627\u0628\u0627\u062a \u062f\u0642\u064a\u0642\u0629 \u0644\u0644\u062a\u064a\u0627\u0631 \u0645\u0639 \u0645\u0645\u0627\u0631\u0633\u0627\u062a \u062a\u062e\u0637\u064a\u0637 \u0645\u062f\u0631\u0643\u0629 \u0644\u0644\u062a\u0635\u0646\u064a\u0639<\/strong>\u060c \u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0628\u0646\u0627\u0621 \u0645\u0631\u0643\u0628\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0645\u0633\u062a\u0642\u0631\u0629 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u064b\u0627 \u0648\u062c\u0627\u0647\u0632\u0629 \u0644\u0644\u0625\u0646\u062a\u0627\u062c.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1772680378958\"><strong class=\"schema-faq-question\">\u0633: \u0645\u0627 \u0645\u0642\u062f\u0627\u0631 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0630\u064a \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062d\u0645\u0644\u0647 \u0623\u062b\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\u061f<\/strong> <p class=\"schema-faq-answer\">\u062c: \u062a\u0639\u062a\u0645\u062f \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629 \u0639\u0644\u0649 \u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 \u0648\u0633\u064f\u0645\u0643 \u0627\u0644\u0646\u062d\u0627\u0633 \u0648\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0633\u0645\u0648\u062d \u0628\u0647\u0627. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062d\u0645\u0644 \u0627\u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u0630\u064a \u064a\u0628\u0644\u063a \u0642\u0637\u0631\u0647 20 \u0645\u0644 \u0628\u0633\u0645\u0627\u0643\u0629 1 \u0623\u0648\u0646\u0635\u0629 \u0645\u0646 \u0627\u0644\u0646\u062d\u0627\u0633 \u062d\u0648\u0627\u0644\u064a 2-3 \u0623\u0645\u0628\u064a\u0631 \u0641\u064a \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0639\u0627\u062f\u064a\u0629.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772680390686\"><strong class=\"schema-faq-question\">\u0633: \u0645\u0627\u0630\u0627 \u064a\u062d\u062f\u062b \u0625\u0630\u0627 \u0643\u0627\u0646 \u0623\u062b\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0636\u064a\u0642\u064b\u0627 \u062c\u062f\u064b\u0627\u061f<\/strong> <p class=\"schema-faq-answer\">\u062c: \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0631\u062a\u0641\u0639 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0623\u062b\u0631 \u0627\u0644\u0636\u064a\u0642\u060c \u0645\u0645\u0627 \u064a\u062a\u0633\u0628\u0628 \u0641\u064a \u0645\u0642\u0627\u0648\u0645\u0629 \u0645\u0641\u0631\u0637\u0629 \u0648\u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u062c\u0647\u062f \u0648\u0627\u062d\u062a\u0645\u0627\u0644 \u062a\u0644\u0641 \u0627\u0644\u0646\u062d\u0627\u0633.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772680411563\"><strong class=\"schema-faq-question\">\u0633: \u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0646\u064a \u062d\u0633\u0627\u0628 \u0639\u0631\u0636 \u0623\u062b\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\u061f<\/strong> <p class=\"schema-faq-answer\">\u062c: \u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0645\u0635\u0645\u0645\u0648\u0646 \u0627\u0644\u0622\u0644\u0627\u062a \u0627\u0644\u062d\u0627\u0633\u0628\u0629 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0629 \u0625\u0644\u0649 IPC-2221 \u0627\u0644\u062a\u064a \u062a\u0623\u062e\u0630 \u0641\u064a \u0627\u0644\u062d\u0633\u0628\u0627\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0648\u0633\u064f\u0645\u0643 \u0627\u0644\u0646\u062d\u0627\u0633 \u0648\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772680424687\"><strong class=\"schema-faq-question\">\u0633: \u0647\u0644 \u0627\u0644\u0622\u062b\u0627\u0631 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0623\u0636\u0639\u0641 \u0645\u0646 \u0627\u0644\u0622\u062b\u0627\u0631 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629\u061f<\/strong> <p class=\"schema-faq-answer\">\u062c: \u0646\u0639\u0645. \u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u062a\u062d\u0645\u0644 \u0627\u0644\u0622\u062b\u0627\u0631 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u062a\u064a\u0627\u0631\u064b\u0627 \u0623\u0642\u0644 \u0644\u0623\u0646\u0647\u0627 \u062a\u0628\u062f\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0628\u0643\u0641\u0627\u0621\u0629 \u0623\u0642\u0644 \u0645\u0646 \u0622\u062b\u0627\u0631 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>\u064a\u0628\u062d\u062b \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 \u0641\u064a \u0643\u064a\u0641\u064a\u0629 \u062a\u0623\u062b\u064a\u0631 \u0639\u0631\u0636 \u0623\u062b\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0639\u0644\u0649 \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629 \u0648\u0627\u0644\u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0648\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0627\u0644\u062f\u0627\u0626\u0631\u0629. \u0648\u064a\u063a\u0637\u064a \u0637\u0631\u0642 \u0627\u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0648\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0648\u0623\u0641\u0636\u0644 \u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0633\u0648\u0642 \u062f\u0628\u064a \u0627\u0644\u0645\u0627\u0644\u064a \u0644\u0636\u0645\u0627\u0646 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0623\u0645\u062b\u0644 \u0648\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0641\u064a \u062a\u0635\u0646\u064a\u0639 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631.<\/p>","protected":false},"author":1,"featured_media":5171,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[444],"class_list":["post-5167","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-pcb-trace-width"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PCB Trace Width vs Current Capacity: Design Guide for Reliable Manufacturing<\/title>\n<meta name=\"description\" content=\"Learn how PCB trace width affects current capacity, heat dissipation, and reliability. This guide explains calculation methods, design rules, and DFM best practices for PCB manufacturing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PCB Trace Width vs Current Capacity: Design Guide for Reliable Manufacturing\" \/>\n<meta property=\"og:description\" content=\"Learn how PCB trace width affects current capacity, heat dissipation, and reliability. This guide explains calculation methods, design rules, and DFM best practices for PCB manufacturing.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/\" \/>\n<meta property=\"og:site_name\" content=\"Topfastpcb\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-11T00:37:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-3.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"337\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u6258\u666e\u6cd5\u65af\u7279\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0643\u064f\u062a\u0628 \u0628\u0648\u0627\u0633\u0637\u0629\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6258\u666e\u6cd5\u65af\u7279\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 \u062f\u0642\u0627\u0626\u0642\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/\"},\"author\":{\"name\":\"\u6258\u666e\u6cd5\u65af\u7279\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a\"},\"headline\":\"PCB Trace Width vs Current Capacity: A Practical Design Guide\",\"datePublished\":\"2026-03-11T00:37:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/\"},\"wordCount\":857,\"publisher\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-3.jpg\",\"keywords\":[\"PCB Trace Width\"],\"articleSection\":[\"News\"],\"inLanguage\":\"ar\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/\",\"name\":\"PCB Trace Width vs Current Capacity: Design Guide for Reliable Manufacturing\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-3.jpg\",\"datePublished\":\"2026-03-11T00:37:00+00:00\",\"description\":\"Learn how PCB trace width affects current capacity, heat dissipation, and reliability. This guide explains calculation methods, design rules, and DFM best practices for PCB manufacturing.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#breadcrumb\"},\"mainEntity\":[{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680378958\"},{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680390686\"},{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680411563\"},{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680424687\"}],\"inLanguage\":\"ar\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#primaryimage\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-3.jpg\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-3.jpg\",\"width\":600,\"height\":337,\"caption\":\"PCB Trace Width\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.topfastpcb.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"PCB Trace Width vs Current Capacity: A Practical Design Guide\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.topfastpcb.com\/#website\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"name\":\"Topfastpcb\",\"description\":\"Topfast Prime Choice for Global Electronics Manufacturing\",\"publisher\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.topfastpcb.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ar\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\",\"name\":\"Topfastpcb\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png\",\"width\":144,\"height\":56,\"caption\":\"Topfastpcb\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a\",\"name\":\"\u6258\u666e\u6cd5\u65af\u7279\",\"sameAs\":[\"http:\/\/www.topfastpcb.com\"],\"url\":\"https:\/\/www.topfastpcb.com\/ar\/blog\/author\/admin\/\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680378958\",\"position\":1,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680378958\",\"name\":\"Q: How much current can a PCB trace carry?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: The current capacity depends on trace width, copper thickness, and allowable temperature rise. For example, a 20 mil trace with 1 oz copper may carry around 2\u20133 A under typical conditions.\",\"inLanguage\":\"ar\"},\"inLanguage\":\"ar\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680390686\",\"position\":2,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680390686\",\"name\":\"Q: What happens if a PCB trace is too narrow?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: A narrow trace can overheat, causing excessive resistance, voltage drop, and possible copper damage.\",\"inLanguage\":\"ar\"},\"inLanguage\":\"ar\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680411563\",\"position\":3,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680411563\",\"name\":\"Q: How do I calculate PCB trace width?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: Designers typically use IPC-2221-based calculators that account for current, copper thickness, and temperature rise.\",\"inLanguage\":\"ar\"},\"inLanguage\":\"ar\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680424687\",\"position\":4,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680424687\",\"name\":\"Q: Are internal PCB traces weaker than external ones?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: Yes. Internal traces usually carry less current because they dissipate heat less efficiently than outer-layer traces.\",\"inLanguage\":\"ar\"},\"inLanguage\":\"ar\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"PCB Trace Width vs Current Capacity: Design Guide for Reliable Manufacturing","description":"Learn how PCB trace width affects current capacity, heat dissipation, and reliability. This guide explains calculation methods, design rules, and DFM best practices for PCB manufacturing.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/","og_locale":"ar_AR","og_type":"article","og_title":"PCB Trace Width vs Current Capacity: Design Guide for Reliable Manufacturing","og_description":"Learn how PCB trace width affects current capacity, heat dissipation, and reliability. This guide explains calculation methods, design rules, and DFM best practices for PCB manufacturing.","og_url":"https:\/\/www.topfastpcb.com\/ar\/blog\/pcb-trace-width-current-capacity-guide\/","og_site_name":"Topfastpcb","article_published_time":"2026-03-11T00:37:00+00:00","og_image":[{"width":600,"height":337,"url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-3.jpg","type":"image\/jpeg"}],"author":"\u6258\u666e\u6cd5\u65af\u7279","twitter_card":"summary_large_image","twitter_misc":{"\u0643\u064f\u062a\u0628 \u0628\u0648\u0627\u0633\u0637\u0629":"\u6258\u666e\u6cd5\u65af\u7279","\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631":"5 \u062f\u0642\u0627\u0626\u0642"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#article","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/"},"author":{"name":"\u6258\u666e\u6cd5\u65af\u7279","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a"},"headline":"PCB Trace Width vs Current Capacity: A Practical Design Guide","datePublished":"2026-03-11T00:37:00+00:00","mainEntityOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/"},"wordCount":857,"publisher":{"@id":"https:\/\/www.topfastpcb.com\/#organization"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-3.jpg","keywords":["PCB Trace Width"],"articleSection":["News"],"inLanguage":"ar"},{"@type":["WebPage","FAQPage"],"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/","url":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/","name":"PCB Trace Width vs Current Capacity: Design Guide for Reliable Manufacturing","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#primaryimage"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-3.jpg","datePublished":"2026-03-11T00:37:00+00:00","description":"Learn how PCB trace width affects current capacity, heat dissipation, and reliability. This guide explains calculation methods, design rules, and DFM best practices for PCB manufacturing.","breadcrumb":{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#breadcrumb"},"mainEntity":[{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680378958"},{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680390686"},{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680411563"},{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680424687"}],"inLanguage":"ar","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/"]}]},{"@type":"ImageObject","inLanguage":"ar","@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#primaryimage","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-3.jpg","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Trace-Width-3.jpg","width":600,"height":337,"caption":"PCB Trace Width"},{"@type":"BreadcrumbList","@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.topfastpcb.com\/"},{"@type":"ListItem","position":2,"name":"PCB Trace Width vs Current Capacity: A Practical Design Guide"}]},{"@type":"WebSite","@id":"https:\/\/www.topfastpcb.com\/#website","url":"https:\/\/www.topfastpcb.com\/","name":"Topfastpcb","description":"Topfast Prime Choice for Global Electronics Manufacturing","publisher":{"@id":"https:\/\/www.topfastpcb.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.topfastpcb.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ar"},{"@type":"Organization","@id":"https:\/\/www.topfastpcb.com\/#organization","name":"Topfastpcb","url":"https:\/\/www.topfastpcb.com\/","logo":{"@type":"ImageObject","inLanguage":"ar","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png","width":144,"height":56,"caption":"Topfastpcb"},"image":{"@id":"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a","name":"\u6258\u666e\u6cd5\u65af\u7279","sameAs":["http:\/\/www.topfastpcb.com"],"url":"https:\/\/www.topfastpcb.com\/ar\/blog\/author\/admin\/"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680378958","position":1,"url":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680378958","name":"Q: How much current can a PCB trace carry?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: The current capacity depends on trace width, copper thickness, and allowable temperature rise. For example, a 20 mil trace with 1 oz copper may carry around 2\u20133 A under typical conditions.","inLanguage":"ar"},"inLanguage":"ar"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680390686","position":2,"url":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680390686","name":"Q: What happens if a PCB trace is too narrow?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: A narrow trace can overheat, causing excessive resistance, voltage drop, and possible copper damage.","inLanguage":"ar"},"inLanguage":"ar"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680411563","position":3,"url":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680411563","name":"Q: How do I calculate PCB trace width?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Designers typically use IPC-2221-based calculators that account for current, copper thickness, and temperature rise.","inLanguage":"ar"},"inLanguage":"ar"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680424687","position":4,"url":"https:\/\/www.topfastpcb.com\/blog\/pcb-trace-width-current-capacity-guide\/#faq-question-1772680424687","name":"Q: Are internal PCB traces weaker than external ones?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Yes. Internal traces usually carry less current because they dissipate heat less efficiently than outer-layer traces.","inLanguage":"ar"},"inLanguage":"ar"}]}},"_links":{"self":[{"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/posts\/5167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/comments?post=5167"}],"version-history":[{"count":1,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/posts\/5167\/revisions"}],"predecessor-version":[{"id":5172,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/posts\/5167\/revisions\/5172"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/media\/5171"}],"wp:attachment":[{"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/media?parent=5167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/categories?post=5167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/tags?post=5167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}