{"id":3622,"date":"2025-07-14T16:09:52","date_gmt":"2025-07-14T08:09:52","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=3622"},"modified":"2025-07-14T16:13:43","modified_gmt":"2025-07-14T08:13:43","slug":"why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/","title":{"rendered":"\u041f\u043e\u0447\u0435\u043c\u0443 \u043f\u0435\u0447\u0430\u0442\u043d\u044b\u0435 \u043f\u043b\u0430\u0442\u044b \u0437\u0430\u0437\u0435\u043c\u043b\u044f\u044e\u0442\u0441\u044f \u043d\u0430 \u043c\u0435\u0442\u0430\u043b\u043b\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0448\u0430\u0441\u0441\u0438 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0440\u0435\u0437\u0438\u0441\u0442\u0438\u0432\u043d\u043e-\u0435\u043c\u043a\u043e\u0441\u0442\u043d\u044b\u0445 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439?"},"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\">Ii. \u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435<\/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\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#1_Core_Objectives_of_RC_Connection\" >1. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0446\u0435\u043b\u0438 RC-\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f<\/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\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#11_Electromagnetic_Compatibility_EMC_Requirements\" >1.1 \u0422\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f \u043a \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043c\u0430\u0433\u043d\u0438\u0442\u043d\u043e\u0439 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 (\u042d\u041c\u0421)<\/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\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#12_Safety_Protection_Requirements\" >1.2 \u0422\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f \u043a \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#2_Key_Functions_and_Selection_of_Capacitors\" >2. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0438 \u0432\u044b\u0431\u043e\u0440 \u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440\u043e\u0432<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#21_High-Frequency_Noise_Management\" >2.1 \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0447\u0430\u0441\u0442\u043e\u0442\u043d\u044b\u043c \u0448\u0443\u043c\u043e\u043c<\/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\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#22_Hazardous_Voltage_Isolation\" >2.2 \u0418\u0437\u043e\u043b\u044f\u0446\u0438\u044f \u043e\u043f\u0430\u0441\u043d\u043e\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#3_Resistor_Design_for_Protection_Mechanisms\" >3. \u041a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f \u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440\u043e\u0432 \u0434\u043b\u044f \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u043e\u0432 \u0437\u0430\u0449\u0438\u0442\u044b<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#31_ESD_Protection\" >3.1 \u0417\u0430\u0449\u0438\u0442\u0430 \u043e\u0442 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0441\u0442\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0440\u0430\u0437\u0440\u044f\u0434\u0430<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#32_Current_Limiting_Protection\" >3.2 \u0422\u043e\u043a\u043e\u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u044e\u0449\u0430\u044f \u0437\u0430\u0449\u0438\u0442\u0430<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#4_Engineering_Practices_and_Test_Verification\" >4. \u0418\u043d\u0436\u0435\u043d\u0435\u0440\u043d\u0430\u044f \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0430 \u0438 \u0432\u0435\u0440\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f \u0438\u0441\u043f\u044b\u0442\u0430\u043d\u0438\u0439<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#41_Typical_Connection_Scheme\" >4.1 \u0422\u0438\u043f\u043e\u0432\u0430\u044f \u0441\u0445\u0435\u043c\u0430 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f<\/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\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#42_Key_Test_Items\" >4.2 \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u0438\u0441\u043f\u044b\u0442\u0430\u043d\u0438\u0439<\/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\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#5_Industry_Applications_and_Optimization\" >5. \u041f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0432 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044f<\/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\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#51_Parameter_Selection_by_Application\" >5.1 \u0412\u044b\u0431\u043e\u0440 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 \u043f\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044e<\/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\/ru\/blog\/why-are-pcbs-grounded-to-metal-chassis-using-resistive-capacitive-connections\/#52_Reliability_Enhancement\" >5.2 \u041f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u0435 \u043d\u0430\u0434\u0435\u0436\u043d\u043e\u0441\u0442\u0438<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Core_Objectives_of_RC_Connection\"><\/span>1. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0446\u0435\u043b\u0438 RC-\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11_Electromagnetic_Compatibility_EMC_Requirements\"><\/span>1.1 \u0422\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f \u043a \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043c\u0430\u0433\u043d\u0438\u0442\u043d\u043e\u0439 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 (\u042d\u041c\u0421)<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u041f\u043e\u0434\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0447\u0430\u0441\u0442\u043e\u0442\u043d\u044b\u0445 \u0448\u0443\u043c\u043e\u0432<\/strong>: \u041e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u043d\u0438\u0437\u043a\u043e\u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441\u043d\u044b\u0439 \u043f\u0443\u0442\u044c \u0434\u043b\u044f \u0448\u0443\u043c\u0430 \u0432\u044b\u0448\u0435 30 \u041c\u0413\u0446 (\u0444\u0443\u043d\u043a\u0446\u0438\u044f \u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440\u0430)<\/li>\n\n<li><strong>\u041d\u0438\u0437\u043a\u043e\u0447\u0430\u0441\u0442\u043e\u0442\u043d\u0430\u044f \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u044f<\/strong>: \u0411\u043b\u043e\u043a\u0438\u0440\u0443\u0435\u0442 \u043f\u043e\u043c\u0435\u0445\u0438 50 \u0413\u0446 (\u0432\u044b\u0441\u043e\u043a\u0430\u044f \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0430 \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u044f)<\/li>\n\n<li><strong>\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b<\/strong>: 1-100nF\/Y-\u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440 + 1-2M\u03a9 \u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12_Safety_Protection_Requirements\"><\/span>1.2 \u0422\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f \u043a \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u0420\u0430\u0437\u0440\u044f\u0434 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0441\u0442\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0440\u0430\u0437\u0440\u044f\u0434\u0430<\/strong>: \u0420\u0435\u0437\u0438\u0441\u0442\u043e\u0440 1M\u03a9 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0443 IEC61000-4-2 (\u0441\u0442\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0440\u0430\u0437\u0440\u044f\u0434 2 \u043a\u0412 \u0437\u0430 \u226410 \u0441\u0435\u043a\u0443\u043d\u0434)<\/li>\n\n<li><strong>\u041a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u0442\u043e\u043a\u0430 \u0443\u0442\u0435\u0447\u043a\u0438<\/strong>: \u041e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u0435\u0442 \u0442\u043e\u043a \u0434\u043e \u22640,1 \u043c\u0410 (\u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 UL1950)<\/li><\/ul><p>\u041d\u0443\u0436\u043d\u0430 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u0430\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u042d\u041c\u0421? <a href=\"https:\/\/www.topfastpcb.com\/ru\/contact\/\">\u041d\u0430\u0436\u043c\u0438\u0442\u0435, \u0447\u0442\u043e\u0431\u044b \u043f\u0440\u043e\u043a\u043e\u043d\u0441\u0443\u043b\u044c\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0441 \u043d\u0430\u0448\u0435\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u043e\u0439 \u044d\u043a\u0441\u043f\u0435\u0440\u0442\u043e\u0432 \u043f\u043e \u042d\u041c\u0421<\/a> \u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u0435 \u0438\u043d\u0434\u0438\u0432\u0438\u0434\u0443\u0430\u043b\u044c\u043d\u044b\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u044f.<\/p><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\/07\/resistor-capacitor-connection.jpg\" alt=\"\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440\u0430 \u0441 \u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440\u043e\u043c\" class=\"wp-image-3624\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/resistor-capacitor-connection.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/resistor-capacitor-connection-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/resistor-capacitor-connection-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Key_Functions_and_Selection_of_Capacitors\"><\/span>2. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0438 \u0432\u044b\u0431\u043e\u0440 \u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440\u043e\u0432<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"21_High-Frequency_Noise_Management\"><\/span>2.1 \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0447\u0430\u0441\u0442\u043e\u0442\u043d\u044b\u043c \u0448\u0443\u043c\u043e\u043c<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u0412\u044b\u0431\u043e\u0440 Y-\u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440\u0430<\/strong>:<\/li>\n\n<li>\u041c\u0435\u0434\u0438\u0446\u0438\u043d\u0441\u043a\u0438\u0435 \u043f\u0440\u0438\u0431\u043e\u0440\u044b: \u041f\u0440\u0438\u043e\u0440\u0438\u0442\u0435\u0442 \u043a\u043b\u0430\u0441\u0441\u0430 Y1 (\u0432\u044b\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 8 \u043a\u0412)<\/li>\n\n<li>\u0411\u044b\u0442\u043e\u0432\u0430\u044f \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u0438\u043a\u0430: \u041a\u043b\u0430\u0441\u0441 Y2 (5 \u043a\u0412) \u0434\u043b\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u044d\u043a\u043e\u043d\u043e\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438<\/li>\n\n<li><strong>\u0412\u043b\u0438\u044f\u043d\u0438\u0435 \u0435\u043c\u043a\u043e\u0441\u0442\u0438<\/strong>:<\/li>\n\n<li>\u041a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440 1nF: \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441 ~3,2M\u03a9 \u043f\u0440\u0438 50 \u0413\u0446 (\u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u0430\u044f \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u044f)<\/li>\n\n<li>\u041a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440 100nF: \u0438\u043c\u043f\u0435\u0434\u0430\u043d\u0441 ~0.016\u03a9 \u043d\u0430 \u0447\u0430\u0441\u0442\u043e\u0442\u0435 100 \u041c\u0413\u0446 (\u043d\u0438\u0437\u043a\u043e\u043e\u043c\u043d\u044b\u0439 \u0442\u0440\u0430\u043a\u0442)<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"22_Hazardous_Voltage_Isolation\"><\/span>2.2 \u0418\u0437\u043e\u043b\u044f\u0446\u0438\u044f \u043e\u043f\u0430\u0441\u043d\u043e\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u044b \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438<\/strong>:<\/li>\n\n<li>\u0423\u0441\u0438\u043b\u0435\u043d\u043d\u0430\u044f \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u044f: \u0432\u044b\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 \u22652,5 \u043a\u0412 (IEC62368-1)<\/li>\n\n<li>\u0420\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043c\u0435\u0436\u0434\u0443 \u043f\u043e\u043b\u0437\u0443\u043d\u043a\u0430\u043c\u0438: \u22656 \u043c\u043c (\u0441\u0438\u0441\u0442\u0435\u043c\u044b 220 \u0412 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u0442\u043e\u043a\u0430)<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Resistor_Design_for_Protection_Mechanisms\"><\/span>3. <a href=\"https:\/\/www.topfastpcb.com\/ru\/products\/resistors\/\">3. \u0421\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u0435<\/a> \u041f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u043e\u0432 \u0437\u0430\u0449\u0438\u0442\u044b<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"31_ESD_Protection\"><\/span>3.1 \u0417\u0430\u0449\u0438\u0442\u0430 \u043e\u0442 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0441\u0442\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0440\u0430\u0437\u0440\u044f\u0434\u0430<span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/th><th>\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435<\/th><th>\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442 \u0438\u0441\u043f\u044b\u0442\u0430\u043d\u0438\u0439<\/th><\/tr><\/thead><tbody><tr><td>\u0421\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u0435<\/td><td>1M\u03a9\u00b15%<\/td><td>IEC61000-4-2<\/td><\/tr><tr><td>\u0412\u0440\u0435\u043c\u044f \u0440\u0430\u0437\u0440\u044f\u0434\u0430<\/td><td>\u226410 \u0441\u0435\u043a\u0443\u043d\u0434<\/td><td>\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u043d\u044b\u0439 \u0440\u0430\u0437\u0440\u044f\u0434 2 \u043a\u0412<\/td><\/tr><tr><td>\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u044b\u0439 \u043a\u043e\u044d\u0444\u0444\u0438\u0446\u0438\u0435\u043d\u0442<\/td><td>\u226450ppm\/\u2103<\/td><td>JEDEC JESD22<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"32_Current_Limiting_Protection\"><\/span>3.2 \u0422\u043e\u043a\u043e\u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u044e\u0449\u0430\u044f \u0437\u0430\u0449\u0438\u0442\u0430<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>\u041a\u043e\u0433\u0434\u0430 \u0448\u0430\u0441\u0441\u0438 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043f\u043e\u0434 \u0441\u0442\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u043c \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435\u043c 1 \u043a\u0412:<\/li>\n\n<li>\u0422\u043e\u043a \u043f\u0440\u044f\u043c\u043e\u0433\u043e \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f: \u0442\u0435\u043e\u0440\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u221e (\u043e\u043f\u0430\u0441\u043d\u043e)<\/li>\n\n<li>\u0422\u043e\u043a \u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440\u0430 1M\u03a9: 1 \u043c\u0410 (\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0439 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d)<\/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\/07\/resistor-capacitor-connection-1.jpg\" alt=\"\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440\u0430 \u0441 \u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440\u043e\u043c\" class=\"wp-image-3625\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/resistor-capacitor-connection-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/resistor-capacitor-connection-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/resistor-capacitor-connection-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Engineering_Practices_and_Test_Verification\"><\/span>4. \u0418\u043d\u0436\u0435\u043d\u0435\u0440\u043d\u0430\u044f \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0430 \u0438 \u0432\u0435\u0440\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f \u0438\u0441\u043f\u044b\u0442\u0430\u043d\u0438\u0439<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"41_Typical_Connection_Scheme\"><\/span>4.1 \u0422\u0438\u043f\u043e\u0432\u0430\u044f \u0441\u0445\u0435\u043c\u0430 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f<span class=\"ez-toc-section-end\"><\/span><\/h3><pre class=\"wp-block-code\"><code>PCB_GND \u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500 1M\u03a9 \u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500 EGND\n             \u2502 \u2502\n             \u2514\u2500\u2500 100nF\/Y2 \u2500\u2500\u2500\u2518  <\/code><\/pre><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"42_Key_Test_Items\"><\/span>4.2 \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u0438\u0441\u043f\u044b\u0442\u0430\u043d\u0438\u0439<span class=\"ez-toc-section-end\"><\/span><\/h3><ol class=\"wp-block-list\"><li><strong>\u0418\u0441\u043f\u044b\u0442\u0430\u043d\u0438\u0435 \u043d\u0430 \u0432\u044b\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435<\/strong>: 3 \u043a\u0412 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u0442\u043e\u043a\u0430\/60 \u0441 (\u043c\u0435\u0436\u0434\u0443 GND \u0438 EGND)<\/li>\n\n<li><strong>\u0418\u0437\u043b\u0443\u0447\u0435\u043d\u0438\u0435<\/strong>: \u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d 30 \u041c\u0413\u0446-1 \u0413\u0413\u0446 (\u0434\u043e\u043b\u0436\u043d\u043e \u0431\u044b\u0442\u044c &lt;30 \u0434\u0411 \u043c\u043a\u0412\/\u043c)<\/li>\n\n<li><strong>\u0418\u0441\u043f\u044b\u0442\u0430\u043d\u0438\u0435 \u043d\u0430 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0441\u0442\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u0440\u0430\u0437\u0440\u044f\u0436\u0435\u043d\u0438\u0435<\/strong>: \u00b18 \u043a\u0412 \u043a\u043e\u043d\u0442\u0430\u043a\u0442\u043d\u043e\u0433\u043e \u0440\u0430\u0437\u0440\u044f\u0434\u0430 (\u043a\u0440\u0438\u0442\u0435\u0440\u0438\u0438 \u043a\u043b\u0430\u0441\u0441\u0430 A)<\/li><\/ol><p><strong>\u041e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u043e\u0435 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435<\/strong>:\u00a0\u00a0<a href=\"https:\/\/www.topfastpcb.com\/ru\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u043d\u044b\u0435 \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u044b<\/a><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Industry_Applications_and_Optimization\"><\/span>5. \u041f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0432 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044f<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"51_Parameter_Selection_by_Application\"><\/span>5.1 \u0412\u044b\u0431\u043e\u0440 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 \u043f\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044e<span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>3. \u041f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435<\/th><th>\u0422\u0438\u043f \u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440\u0430<\/th><th>\u0417\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440\u0430<\/th><th>\u041e\u0441\u043e\u0431\u044b\u0435 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f<\/th><\/tr><\/thead><tbody><tr><td>\u041c\u0435\u0434\u0438\u0446\u0438\u043d\u0430<\/td><td>Y1\/10nF<\/td><td>2M\u03a9<\/td><td>\u0421\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0443 IEC60601-1<\/td><\/tr><tr><td>\u041f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u044c<\/td><td>Y2\/47nF<\/td><td>1M\u03a9<\/td><td>\u0423\u0441\u0438\u043b\u0435\u043d\u043d\u0430\u044f \u0437\u0430\u0449\u0438\u0442\u0430 \u043e\u0442 \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f<\/td><\/tr><tr><td>\u041f\u043e\u0442\u0440\u0435\u0431\u0438\u0442\u0435\u043b\u044c<\/td><td>X7R\/1nF<\/td><td>1.2M\u03a9<\/td><td>\u041e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044f \u0437\u0430\u0442\u0440\u0430\u0442<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"52_Reliability_Enhancement\"><\/span>5.2 \u041f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u0435 \u043d\u0430\u0434\u0435\u0436\u043d\u043e\u0441\u0442\u0438<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u041f\u0435\u0440\u0435\u0434\u043e\u0432\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435<\/strong>: \u041f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b\u0439 TVS-\u0434\u0438\u043e\u0434 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, SMBJ15CA)<\/li>\n\n<li><strong>\u041e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044f \u043c\u0430\u043a\u0435\u0442\u0430<\/strong>: \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u043f\u0430\u043a\u0435\u0442 0201 \u0434\u043b\u044f \u044d\u043a\u043e\u043d\u043e\u043c\u0438\u0438 \u043c\u0435\u0441\u0442\u0430 \u043d\u0430 \u043f\u0435\u0447\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0435 30%<\/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\/07\/resistor-capacitor-connection-2.jpg\" alt=\"\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440\u0430 \u0441 \u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440\u043e\u043c\" class=\"wp-image-3626\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/resistor-capacitor-connection-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/resistor-capacitor-connection-2-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/07\/resistor-capacitor-connection-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><p>\u0420\u0435\u0437\u0438\u0441\u0442\u043e\u0440\u043d\u043e-\u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440\u043d\u043e\u0435 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0441\u0442\u0438\u0447\u044c \u0431\u0430\u043b\u0430\u043d\u0441\u0430 \u043c\u0435\u0436\u0434\u0443 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0439 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0435\u0439 \u0438 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043c\u0430\u0433\u043d\u0438\u0442\u043d\u043e\u0439 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c\u044e \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0442\u043e\u0447\u043d\u043e\u043c\u0443 \u043f\u043e\u0434\u0431\u043e\u0440\u0443 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 (\u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u043c \u0441\u043e\u0447\u0435\u0442\u0430\u043d\u0438\u0435\u043c \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f 1M\u03a9+100nF). \u041f\u0440\u0438 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u0430 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0441\u043d\u0430\u044f \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044f \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043e\u0432 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, IEC62368), \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u0441\u043f\u044b\u0442\u0430\u043d\u0438\u0439 \u0438 \u0444\u0430\u043a\u0442\u043e\u0440\u043e\u0432 \u0441\u0442\u043e\u0438\u043c\u043e\u0441\u0442\u0438. \u042d\u0442\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0441\u0442\u0430\u043b\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0439 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0439 \u0432 \u0442\u0430\u043a\u0438\u0445 \u043e\u0431\u043b\u0430\u0441\u0442\u044f\u0445, \u043a\u0430\u043a \u0431\u044b\u0442\u043e\u0432\u0430\u044f \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u0438\u043a\u0430 \u0438 \u043c\u0435\u0434\u0438\u0446\u0438\u043d\u0441\u043a\u043e\u0435 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435.<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u0417\u0430\u0437\u0435\u043c\u043b\u0435\u043d\u0438\u0435 \u043f\u0435\u0447\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u044b (GND) \u0438 \u043c\u0435\u0442\u0430\u043b\u043b\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0448\u0430\u0441\u0441\u0438 (EGND) \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u044b \u0447\u0435\u0440\u0435\u0437 \u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440\u043d\u043e-\u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440\u043d\u0443\u044e \u043a\u043e\u043c\u0431\u0438\u043d\u0430\u0446\u0438\u044e (\u043e\u0431\u044b\u0447\u043d\u043e \u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440 1M\u03a9 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e \u0441 \u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440\u043e\u043c 1-100nF) \u0434\u043b\u044f \u043f\u043e\u0434\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0432\u044b\u0441\u043e\u043a\u043e\u0447\u0430\u0441\u0442\u043e\u0442\u043d\u044b\u0445 \u0448\u0443\u043c\u043e\u0432, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0441\u0442\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0437\u0430\u0449\u0438\u0442\u044b, \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u0447\u0430\u0441\u0442\u043e\u0442 \u043f\u0438\u0442\u0430\u043d\u0438\u044f \u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u042d\u041c\u0421.<\/p>","protected":false},"author":1,"featured_media":3623,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[109],"tags":[196],"class_list":["post-3622","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","tag-resistor"],"yoast_head":"<!-- This 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