{"id":3754,"date":"2025-08-03T08:54:00","date_gmt":"2025-08-03T00:54:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=3754"},"modified":"2025-08-02T18:25:55","modified_gmt":"2025-08-02T10:25:55","slug":"key-parameters-of-pcb-circuit-boards","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/ar\/blog\/key-parameters-of-pcb-circuit-boards\/","title":{"rendered":"\u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0644\u0648\u062d\u0627\u062a \u062f\u0627\u0631\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"},"content":{"rendered":"<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\/key-parameters-of-pcb-circuit-boards\/#Detailed_Explanation_of_Key_PCB_Parameters\" >\u0634\u0631\u062d \u0645\u0641\u0635\u0644 \u0644\u0645\u0639\u0644\u0645\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 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/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\/key-parameters-of-pcb-circuit-boards\/#1_Electrical_Performance_Parameters\" >1. \u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/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\/key-parameters-of-pcb-circuit-boards\/#2_Thermal_Performance_Parameters\" >2. \u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/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\/key-parameters-of-pcb-circuit-boards\/#3_Mechanical_Performance_Parameters\" >3. \u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/key-parameters-of-pcb-circuit-boards\/#4_Structural_Characteristics\" >4. \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/key-parameters-of-pcb-circuit-boards\/#5_Reliability_Testing_Metrics\" >5. \u0645\u0642\u0627\u064a\u064a\u0633 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/key-parameters-of-pcb-circuit-boards\/#6_Environmental_Process_Compliance\" >6. \u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0627\u0644\u0628\u064a\u0626\u064a \u0648\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0644\u0639\u0645\u0644\u064a\u0627\u062a<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/key-parameters-of-pcb-circuit-boards\/#PCB_Board_Classification_and_Selection\" >\u062a\u0635\u0646\u064a\u0641 \u0648\u0627\u062e\u062a\u064a\u0627\u0631 \u0644\u0648\u062d\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><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/key-parameters-of-pcb-circuit-boards\/#1_Common_PCB_Materials\" >1. \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0634\u0627\u0626\u0639\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<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/key-parameters-of-pcb-circuit-boards\/#2_PCB_Material_Grades_Comparison\" >2. \u0645\u0642\u0627\u0631\u0646\u0629 \u062f\u0631\u062c\u0627\u062a \u0645\u0648\u0627\u062f \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/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\/key-parameters-of-pcb-circuit-boards\/#3_How_to_Choose_the_Right_PCB_Material\" >3. \u0643\u064a\u0641 \u062a\u062e\u062a\u0627\u0631 \u0645\u0627\u062f\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\u0645\u0646\u0627\u0633\u0628\u0629\u061f<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Detailed_Explanation_of_Key_PCB_Parameters\"><\/span><strong>\u0634\u0631\u062d \u0645\u0641\u0635\u0644 \u0644\u0645\u0639\u0644\u0645\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 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Electrical_Performance_Parameters\"><\/span><strong>1. \u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u062a\u0624\u062b\u0631 \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\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 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629\u060c \u062e\u0627\u0635\u0629 \u0641\u064a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f \u0648\u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629.<\/p><ul class=\"wp-block-list\"><li><strong>\u062b\u0627\u0628\u062a \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a (Dk)<\/strong> - \u064a\u0642\u064a\u0633 \u0642\u062f\u0631\u0629 \u0627\u0644\u0645\u0627\u062f\u0629 \u0639\u0644\u0649 \u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629. \u0648\u062a\u062a\u064a\u062d \u0642\u064a\u0645 Dk \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0645\u0627\u062f\u0629 PTFE \u0630\u0627\u062a Dk\u22482.2) \u0646\u0642\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0628\u0634\u0643\u0644 \u0623\u0633\u0631\u0639\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644\u0647\u0627 \u0645\u062b\u0627\u0644\u064a\u0629 \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062c\u064a\u0644 \u0627\u0644\u062e\u0627\u0645\u0633 \u0648\u0627\u0644\u0645\u0648\u062c\u0627\u062a \u0627\u0644\u0645\u0644\u064a\u0645\u062a\u0631\u064a\u0629.<\/li>\n\n<li><strong>\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0628\u062f\u062f (Df\/\u0645\u0627\u0633 \u0627\u0644\u062e\u0633\u0627\u0631\u0629)<\/strong> - \u064a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0641\u0642\u062f\u0627\u0646 \u0637\u0627\u0642\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629. \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f (\u0645\u062b\u0644 \u0627\u0644\u0631\u0627\u062f\u0627\u0631 \u0648\u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0627\u0644\u0633\u0627\u062a\u0644\u064a\u0629) Df &lt; 0.005.<\/li>\n\n<li><strong>\u0645\u0642\u0627\u0648\u0645\u064a\u0629 \u0627\u0644\u0633\u0637\u062d\/\u0627\u0644\u062d\u062c\u0645<\/strong> - \u062a\u0645\u0646\u0639 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 (&gt;10\u00b9\u00b2 \u03a9-\u0633\u0645) \u062a\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0633\u0631\u0628\u060c \u0648\u0647\u0648 \u0623\u0645\u0631 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\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 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062c\u0647\u062f (\u0645\u062b\u0644 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629).<\/li>\n\n<li><strong>\u062c\u0647\u062f \u0627\u0644\u0627\u0646\u0647\u064a\u0627\u0631<\/strong> - \u0648\u062a\u062a\u062d\u0645\u0644 FR4 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u226520 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a\/\u0645\u0644\u0645\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u0645\u0643\u0646 \u0644\u0631\u0643\u0627\u0626\u0632 \u0627\u0644\u0633\u064a\u0631\u0627\u0645\u064a\u0643 \u0623\u0646 \u062a\u062a\u062d\u0645\u0644 \u062d\u062a\u0649 50 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a\/\u0645\u0645.<\/li>\n\n<li><strong>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<\/strong> - \u062a\u062a\u0637\u0644\u0628 \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 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c DDR5\u060c PCIe 6.0) \u062a\u062d\u0645\u0644 \u0645\u0642\u0627\u0648\u0645\u0629 \u0636\u064a\u0642\u0629 (\u00b15%) \u0644\u062a\u0642\u0644\u064a\u0644 \u0627\u0646\u0639\u0643\u0627\u0633\u0627\u062a \u0627\u0644\u0625\u0634\u0627\u0631\u0629.<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters.jpg\" alt=\"\u0645\u0639\u0644\u0645\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\" class=\"wp-image-3756\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Thermal_Performance_Parameters\"><\/span><strong>2. \u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u062a\u062d\u062f\u062f \u0645\u0642\u0627\u0648\u0645\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0644\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0648\u062b\u0648\u0642\u064a\u062a\u0647\u0627 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0630\u0627\u062a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629\u060c \u062e\u0627\u0635\u0629\u064b \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u062e\u0627\u0644\u064a \u0645\u0646 \u0627\u0644\u0631\u0635\u0627\u0635 \u0648\u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0637\u0648\u064a\u0644 \u0627\u0644\u0623\u0645\u062f.<\/p><ul class=\"wp-block-list\"><li><strong>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0644\u0632\u062c\u0627\u062c\u064a (Tg)<\/strong> - \u062a\u062d\u062a\u0648\u064a FR4 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0639\u0644\u0649 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 Tg\u2248130 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629\u060c \u0641\u064a \u062d\u064a\u0646 \u0623\u0646 \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 \u0630\u0627\u062a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 Tg \u0627\u0644\u0639\u0627\u0644\u064a\u0629 (Tg\u2265 170 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629) \u062a\u0633\u062a\u062e\u062f\u0645 \u0641\u064a \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u0648\u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0639\u0633\u0643\u0631\u064a\u0629.<\/li>\n\n<li><strong>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u062d\u0644\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a (Td)<\/strong> - \u064a\u0641\u0636\u0644 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u062a\u064a \u062a\u0632\u064a\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u062a\u0647\u0627 \u0639\u0646 325 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 (\u0645\u062b\u0644 Isola 370HR) \u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u062e\u0627\u0644\u064a \u0645\u0646 \u0627\u0644\u0631\u0635\u0627\u0635.<\/li>\n\n<li><strong>\u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0645\u0648\u0635\u0644\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0641\u064a \u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0633\u0643\u0643 \u0627\u0644\u062d\u062f\u064a\u062f\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0648\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629.2.<\/strong> - \u062a\u062a\u0645\u064a\u0632 FR4 \u0628\u0645\u0648\u0635\u0644\u064a\u0629 \u062d\u0631\u0627\u0631\u064a\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 (\u062d\u0648\u0627\u0644\u064a 0.3 \u0648\u0627\u0637\/\u0645-\u0643)\u060c \u0641\u064a \u062d\u064a\u0646 \u0623\u0646 \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 \u0630\u0627\u062a \u0627\u0644\u0646\u0648\u0627\u0629 \u0627\u0644\u0645\u0639\u062f\u0646\u064a\u0629 (\u0645\u062b\u0644 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645) \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0635\u0644 \u0625\u0644\u0649 10 \u0648\u0627\u0637\/\u0645-\u0643 \u0645\u0645\u0627 \u064a\u062c\u0639\u0644\u0647\u0627 \u0645\u062b\u0627\u0644\u064a\u0629 \u0644\u062a\u0628\u0631\u064a\u062f \u0645\u0635\u0627\u0628\u064a\u062d LED.<\/li>\n\n<li><strong>\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0645\u062f\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a (CTE)<\/strong> - \u064a\u062c\u0628 \u0623\u0646 \u062a\u0643\u0648\u0646 CTE \u0644\u0644\u0645\u062d\u0648\u0631 Z \u0623\u0642\u0644 \u0645\u0646 50 \u062c\u0632\u0621 \u0641\u064a \u0627\u0644\u0645\u0644\u064a\u0648\u0646\/\u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0644\u0645\u0646\u0639 \u0627\u0644\u062a\u0634\u0648\u0647 \u0641\u064a \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\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0637\u0628\u0642\u0627\u062a (\u062a\u062a\u0637\u0644\u0628 \u0631\u0643\u0627\u0626\u0632 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u062a\u0643\u0627\u0645\u0644\u0629 CTE\u22486 \u062c\u0632\u0621 \u0641\u064a \u0627\u0644\u0645\u0644\u064a\u0648\u0646\/\u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629).<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Mechanical_Performance_Parameters\"><\/span><strong>3. \u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u062a\u0624\u062b\u0631 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0639\u0644\u0649 \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0648\u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644.<\/p><ul class=\"wp-block-list\"><li><strong>\u0642\u0648\u0629 \u0627\u0644\u0627\u0646\u062b\u0646\u0627\u0621\u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0641\u064a \u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0633\u0643\u0643 \u0627\u0644\u062d\u062f\u064a\u062f\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0648\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0634\u0645\u0633\u064a\u0629.2.<\/strong> - \u064a\u062a\u0631\u0627\u0648\u062d \u0648\u0632\u0646 FR4 \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0645\u0646 400-600 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644 \u0641\u064a \u062d\u064a\u0646 \u062a\u062a\u0637\u0644\u0628 \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 \u0627\u0644\u0645\u0631\u0646\u0629 (\u0628\u0648\u0644\u064a\u0645\u064a\u062f) &gt; 200 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644.<\/li>\n\n<li><strong>\u0642\u0648\u0629 \u0627\u0644\u062a\u0642\u0634\u064a\u0631<\/strong> - \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u062c\u0627\u0648\u0632 \u0627\u0644\u062a\u0635\u0627\u0642 \u0627\u0644\u0646\u062d\u0627\u0633 1.0 \u0646\u064a\u0648\u062a\u0646\/\u0645\u0645 (\u0645\u0639\u064a\u0627\u0631 IPC) \u0644\u0645\u0646\u0639 \u0627\u0646\u0641\u0635\u0627\u0644 \u0627\u0644\u0631\u0642\u0627\u0642\u0629 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0644\u062d\u0627\u0645.<\/li>\n\n<li><strong>\u0627\u0645\u062a\u0635\u0627\u0635 \u0627\u0644\u0645\u0627\u0621<\/strong> - \u0627\u0645\u062a\u0635\u0627\u0635 \u0645\u0646\u062e\u0641\u0636 \u0644\u0644\u0631\u0637\u0648\u0628\u0629 (&lt;0.2%) \u064a\u0645\u0646\u0639 \u0627\u0644\u062a\u0642\u0631\u062d\u061b \u0648\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u062a\u062d\u0627\u0641\u0638 \u0627\u0644\u0631\u0642\u0627\u0626\u0642 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f \u0639\u0644\u0649 \u0623\u0642\u0644 \u0645\u0646 0.1%.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Structural_Characteristics\"><\/span><strong>4. \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u062a\u064f\u0639\u062f \u062f\u0642\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0623\u0645\u0631\u064b\u0627 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u0640 <a href=\"https:\/\/www.topfastpcb.com\/ar\/products\/hdi-pcb\/\">\u0648\u0635\u0644\u0629 \u0628\u064a\u0646\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0643\u062b\u0627\u0641\u0629 (HDI)<\/a> \u0648\u0627\u0644\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0627\u0644\u0645\u0635\u063a\u0631\u0629.<\/p><ul class=\"wp-block-list\"><li><strong>\u062a\u0641\u0627\u0648\u062a \u0633\u0645\u0627\u0643\u0629 \u0627\u0644\u0646\u062d\u0627\u0633<\/strong> - \u064a\u062a\u0645\u064a\u0632 \u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0630\u0648 \u0627\u0644\u0623\u0648\u0642\u064a\u0629 \u0627\u0644\u0648\u0627\u062d\u062f\u0629 \u0645\u0646 \u0627\u0644\u0646\u062d\u0627\u0633 \u0628\u062a\u0641\u0627\u0648\u062a \u00b1 10%\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u00b1 5%.<\/li>\n\n<li><strong>\u062f\u0642\u0629 \u0627\u0644\u062a\u0633\u062c\u064a\u0644 \u0645\u0646 \u0637\u0628\u0642\u0629 \u0625\u0644\u0649 \u0637\u0628\u0642\u0629<\/strong> - \u062a\u062a\u0637\u0644\u0628 \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 HDI \u0645\u062d\u0627\u0630\u0627\u0629 \u0623\u0642\u0644 \u0645\u0646 25 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u0633\u0645\u062d \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0628\u0623\u0642\u0644 \u0645\u0646 50 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631.<\/li>\n\n<li><strong>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0644\u0623\u062b\u0631\/\u0627\u0644\u0645\u0633\u0627\u062d\u0629 (L\/S)<\/strong> - \u062a\u0633\u062a\u062e\u062f\u0645 \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 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 0.1 \u0645\u0645\/ 0.1 \u0645\u0645\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u0635\u0644 \u0631\u0643\u0627\u0626\u0632 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u062a\u0643\u0627\u0645\u0644\u0629 \u0627\u0644\u0645\u062a\u0642\u062f\u0645\u0629 \u0625\u0644\u0649 20 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631\/ 20 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631.<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-1.jpg\" alt=\"\u0645\u0639\u0644\u0645\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\" class=\"wp-image-3757\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Reliability_Testing_Metrics\"><\/span><strong>5. \u0645\u0642\u0627\u064a\u064a\u0633 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u064a\u062c\u0628 \u0623\u0646 \u062a\u062c\u062a\u0627\u0632 \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 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0635\u0627\u0631\u0645\u0629 \u0644\u0636\u0645\u0627\u0646 \u062b\u0628\u0627\u062a\u0647\u0627 \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644.<\/p><ul class=\"wp-block-list\"><li><strong>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062e\u064a\u0648\u0637 \u0627\u0644\u0623\u0646\u0648\u062f\u064a\u0629 \u0627\u0644\u0645\u0648\u0635\u0644\u0629 (CAF)<\/strong> - \u064a\u0642\u064a\u0651\u0645 \u0645\u062e\u0627\u0637\u0631 \u0642\u0635\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0641\u064a \u0638\u0631\u0648\u0641 \u0631\u0637\u0628\u0629 (85 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629\/851 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629\/85% \u0631\u0637\u0648\u0628\u0629 \u0646\u0633\u0628\u064a\u0629 \u0644\u0645\u062f\u0629 1000 \u0633\u0627\u0639\u0629).<\/li>\n\n<li><strong>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0633\u0637\u062d\u064a (SIR)<\/strong> - \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u062c\u0627\u0648\u0632 10 \u2078 \u03a9 (\u0648\u0641\u0642\u064b\u0627 \u0644\u0645\u0639\u0627\u064a\u064a\u0631 JIS).<\/li>\n\n<li><strong>\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u062a\u062f\u0648\u064a\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/strong> - \u064a\u062a\u062d\u0645\u0644 100 \u062f\u0648\u0631\u0629 (\u0645\u0646 -55 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 125 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u062a\u062d\u062a \u0627\u0644\u0635\u0641\u0631) \u062f\u0648\u0646 \u062d\u062f\u0648\u062b \u062a\u0634\u0642\u0642 (\u062a\u062a\u0637\u0644\u0628 \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 \u0644\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0623\u0643\u062b\u0631 \u0635\u0631\u0627\u0645\u0629).<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Environmental_Process_Compliance\"><\/span><strong>6. \u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0627\u0644\u0628\u064a\u0626\u064a \u0648\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0644\u0639\u0645\u0644\u064a\u0627\u062a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u062a\u0642\u0648\u062f \u0627\u0644\u0644\u0648\u0627\u0626\u062d \u0627\u0644\u0628\u064a\u0626\u064a\u0629 (\u0645\u062b\u0644 RoHS \u0648REACH) \u0627\u0644\u062a\u0637\u0648\u0631\u0627\u062a \u0641\u064a \u0645\u0648\u0627\u062f \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631.<\/p><ul class=\"wp-block-list\"><li><strong>\u0645\u0624\u0634\u0631 \u0627\u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u0645\u0642\u0627\u0631\u0646 (CTI)<\/strong> - \u062a\u062d\u062a\u0627\u062c \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0637\u0628\u064a\u0629 \u0625\u0644\u0649 \u0627\u0644\u0641\u0626\u0629 3 (400-600 \u0641\u0648\u0644\u062a)\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u062d\u062a\u0627\u062c \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0625\u0644\u0649 \u0627\u0644\u0641\u0626\u0629 2.<\/li>\n\n<li><strong>\u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0647\u0627\u0644\u0648\u062c\u064a\u0646<\/strong> - \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0643\u0644\u0648\u0631\/\u0627\u0644\u0628\u0631\u0648\u0645 \u0623\u0642\u0644 \u0645\u0646 900 \u062c\u0632\u0621 \u0641\u064a \u0627\u0644\u0645\u0644\u064a\u0648\u0646 \u0644\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0627\u0646\u0628\u0639\u0627\u062b\u0627\u062a \u0627\u0644\u0633\u0627\u0645\u0629.<\/li>\n\n<li><strong>\u0645\u062b\u0628\u0637\u0627\u062a \u0627\u0644\u0644\u0647\u0628 (UL94)<\/strong> - V-0 \u0647\u0648 \u0623\u0639\u0644\u0649 \u062a\u0635\u0646\u064a\u0641\u060c \u0648\u0647\u0648 \u0625\u0644\u0632\u0627\u0645\u064a \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0641\u0636\u0627\u0626\u064a\u0629.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PCB_Board_Classification_and_Selection\"><\/span><strong>\u062a\u0635\u0646\u064a\u0641 \u0648\u0627\u062e\u062a\u064a\u0627\u0631 \u0644\u0648\u062d\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Common_PCB_Materials\"><\/span><strong>1. \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0634\u0627\u0626\u0639\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<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>FR4<\/strong> - \u0635\u0641\u0627\u0626\u062d \u0632\u062c\u0627\u062c \u0625\u064a\u0628\u0648\u0643\u0633\u064a \u0632\u062c\u0627\u062c\u064a\u0629 \u0642\u064a\u0627\u0633\u064a\u0629 \u0644\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0647\u0644\u0627\u0643\u064a\u0629.<\/li>\n\n<li><strong>CEM-3<\/strong> - \u0631\u0643\u064a\u0632\u0629 \u0645\u0631\u0643\u0628\u0629\u060c \u0641\u0639\u0627\u0644\u0629 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0644\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 \u0627\u0644\u0628\u0633\u064a\u0637\u0629 \u0639\u0644\u0649 \u0627\u0644\u0648\u062c\u0647\u064a\u0646.<\/li>\n\n<li><strong><a href=\"https:\/\/www.topfastpcb.com\/ar\/products\/high-tg-rigid-pcb\/\">\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\u062a\u0639\u062f\u062f \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a> (Tg\u2265170 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629)<\/strong> - \u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u0627\u0631\u0629 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0641\u064a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u0648\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0639\u0633\u0643\u0631\u064a.<\/li>\n\n<li><strong>\u0634\u0631\u0627\u0626\u062d \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0631\u0648\u062c\u0631\u0632 RO4003C)<\/strong> - \u0627\u0646\u062e\u0641\u0627\u0636 Dk\/Df \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a 5G\/\u0627\u0644\u0631\u0627\u062f\u0627\u0631.<\/li>\n\n<li><strong><a href=\"https:\/\/www.topfastpcb.com\/ar\/products\/metal-core-pcb\/\">\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 \u0627\u0644\u0645\u0639\u062f\u0646\u064a\u0629 \u0627\u0644\u0646\u0648\u0627\u0629<\/a> (\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645\/\u0646\u062d\u0627\u0633)<\/strong> - \u0625\u062f\u0627\u0631\u0629 \u062d\u0631\u0627\u0631\u064a\u0629 \u0645\u0645\u062a\u0627\u0632\u0629 \u0644\u0645\u0635\u0627\u0628\u064a\u062d LED \u0648\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_PCB_Material_Grades_Comparison\"><\/span><strong>2. \u0645\u0642\u0627\u0631\u0646\u0629 \u062f\u0631\u062c\u0627\u062a \u0645\u0648\u0627\u062f \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u062f\u0631\u062c\u0629 \u0627\u0644\u0645\u0627\u062f\u0629<\/th><th>\u0627\u0644\u062e\u0635\u0627\u0626\u0635<\/th><th>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/th><\/tr><\/thead><tbody><tr><td><strong>94HB<\/strong><\/td><td>\u0648\u0631\u0642\u064a \u0648\u063a\u064a\u0631 \u0645\u062b\u0628\u0637 \u0644\u0644\u0647\u0628<\/td><td>\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0633\u062a\u0647\u0644\u0627\u0643\u064a\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/td><\/tr><tr><td><strong>94V0<\/strong><\/td><td>\u0631\u0643\u064a\u0632\u0629 \u0648\u0631\u0642\u064a\u0629 \u0645\u062b\u0628\u0637\u0629 \u0644\u0644\u0647\u0628<\/td><td>\u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0645\u0646\u0632\u0644\u064a\u0629<\/td><\/tr><tr><td><strong>CEM-1<\/strong><\/td><td>\u0623\u0644\u064a\u0627\u0641 \u0632\u062c\u0627\u062c\u064a\u0629 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u062c\u0627\u0646\u0628<\/td><td>\u062f\u0648\u0627\u0626\u0631 \u0628\u0633\u064a\u0637\u0629<\/td><\/tr><tr><td><strong>CEM-3<\/strong><\/td><td>\u0632\u062c\u0627\u062c \u0634\u0628\u0647 \u0632\u062c\u0627\u062c\u064a \u0639\u0644\u0649 \u0627\u0644\u0648\u062c\u0647\u064a\u0646<\/td><td>\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\u0632\u062f\u0648\u062c\u0629 \u0627\u0644\u0637\u0628\u0642\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/td><\/tr><tr><td><strong>FR4<\/strong><\/td><td>\u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0632\u062c\u0627\u062c\u064a\u0629 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629<\/td><td>\u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0647\u0644\u0627\u0643\u064a\u0629 \u0648\u0627\u0644\u0636\u0648\u0627\u0628\u0637 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<\/td><\/tr><tr><td><strong>FR4 \u0639\u0627\u0644\u064a Tg4<\/strong><\/td><td>\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629<\/td><td>\u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u0648\u0627\u0644\u0641\u0636\u0627\u0621 \u0648\u0627\u0644\u0637\u064a\u0631\u0627\u0646<\/td><\/tr><\/tbody><\/table><\/figure><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-3.jpg\" alt=\"\u0645\u0639\u0644\u0645\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\" class=\"wp-image-3758\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-3.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-3-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/PCB-parameters-3-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_How_to_Choose_the_Right_PCB_Material\"><\/span><strong>3. \u0643\u064a\u0641 \u062a\u062e\u062a\u0627\u0631 \u0645\u0627\u062f\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\u0645\u0646\u0627\u0633\u0628\u0629\u061f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f<\/strong> \u2192 \u0645\u0648\u0627\u062f \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062f\u0643\/\u062f\u0641 (\u0631\u0648\u062c\u0631\u0632\u060c \u062a\u0627\u0643\u0648\u0646\u064a\u0643).<\/li>\n\n<li><strong>\u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0630\u0627\u062a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629<\/strong> \u2192 \u0645\u0648\u0627\u062f \u0630\u0627\u062a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0639\u0627\u0644\u064a\u0629 (\u2265 170 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629) \u0623\u0648 \u0645\u0648\u0627\u062f \u0630\u0627\u062a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0639\u0627\u0644\u064a\u0629 (&gt; 325 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629).<\/li>\n\n<li><strong>\u062a\u0628\u062f\u064a\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0637\u0627\u0642\u0629<\/strong> \u2192 \u0627\u0644\u0646\u0648\u0627\u0629 \u0627\u0644\u0645\u0639\u062f\u0646\u064a\u0629 \u0623\u0648 FR4 \u0630\u0627\u062a \u0627\u0644\u0645\u0648\u0635\u0644\u064a\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629.<\/li>\n\n<li><strong>\u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0635\u062f\u064a\u0642\u0629 \u0644\u0644\u0628\u064a\u0626\u0629<\/strong> \u2192 \u0645\u0648\u0627\u062f \u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0647\u0627\u0644\u0648\u062c\u064a\u0646 \u0648\u0645\u062a\u0648\u0627\u0641\u0642\u0629 \u0645\u0639 RoHS.<\/li><\/ul><p>\u064a\u0624\u062b\u0631 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0639\u0644\u0645\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 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u0646\u062a\u062c \u0648\u0645\u0648\u062b\u0648\u0642\u064a\u062a\u0647 \u0648\u062a\u0643\u0644\u0641\u062a\u0647. \u064a\u062d\u062a\u0627\u062c \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0625\u0644\u0649 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0648\u0627\u062f \u0627\u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 (\u0645\u062b\u0644 FR4\u060c \u0648CEM-3\u060c \u0648\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0639\u0627\u0644\u064a \u0627\u0644\u062a\u062d\u0645\u0644 \u0648\u0645\u0627 \u0625\u0644\u0649 \u0630\u0644\u0643) \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0633\u064a\u0646\u0627\u0631\u064a\u0648 \u0627\u0644\u062a\u0637\u0628\u064a\u0642 (\u0645\u062b\u0644 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0648\u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629)\u060c \u0648\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0644\u062a\u062d\u0633\u064a\u0646 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629\u060c \u0648\u0642\u062f\u0631\u0627\u062a \u062a\u0628\u062f\u064a\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u0629\u060c \u0648\u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u064a\u0639\u062a\u0645\u062f \u0623\u062f\u0627\u0621 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0627\u0631\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\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629\u060c \u0645\u062b\u0644 \u062b\u0627\u0628\u062a \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a (\u0642\u064a\u0645\u0629 DK)\u060c \u0648\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0644\u0632\u062c\u0627\u062c\u064a (Tg)\u060c \u0648\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 (Td)\u060c \u0648\u0645\u0624\u0634\u0631 \u0623\u062b\u0631 \u0627\u0644\u0632\u062d\u0641 (CTI)\u060c \u0648 CTE (\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0645\u062f\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a). \u0625\u0646 \u0645\u0648\u0627\u062f \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 (\u0645\u062b\u0644 FR4 \u0648CEM-3 \u0648\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0639\u0627\u0644\u064a Tg) \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629\u060c \u0645\u062b\u0644 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f\u060c \u0623\u0648 \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a\u060c \u0623\u0648 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0637\u0627\u0642\u0629.<\/p>","protected":false},"author":1,"featured_media":3759,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112],"tags":[336],"class_list":["post-3754","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-pcb-parameters"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Key parameters of PCB circuit boards - Topfastpcb<\/title>\n<meta name=\"description\" content=\"Key parameters of PCB circuit boards, including dielectric constant (DK value), glass transition temperature (Tg), heat resistance (Td), CTI, CTE, etc. Understand the characteristics and application scenarios of different board materials (FR4, CEM-3, high Tg PCB) to optimize PCB design and improve performance and reliability.\" \/>\n<meta name=\"robots\" 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