{"id":472,"date":"2024-09-10T23:04:05","date_gmt":"2024-09-10T15:04:05","guid":{"rendered":"https:\/\/www.gracevn.com\/?page_id=472"},"modified":"2024-10-11T20:24:26","modified_gmt":"2024-10-11T12:24:26","slug":"faq-a-01","status":"publish","type":"page","link":"https:\/\/www.gracevn.com\/en\/faq-a-01","title":{"rendered":"\u5e38\u89c1\u95ee\u9898-\u538b\u654f\u7535\u963b"},"content":{"rendered":"<section class=\"baf_custom_style  section_baf_820704733 ac-container\" container_id=\"820704733\" data-first_color=\"#22AC38\" data-second_color=\"#22AC38\" data-label_text_color=\"#FFFFFF\" data-accordion_arrow=\"f077\"   data-schema=\"0\"><input type=\"hidden\" id=\"current_page\"><input type=\"hidden\" id=\"show_per_page\">  <div class=\"baf-ctrl-btn\"><span class=\"baf-expand-all\"><i class=\"fa fa-plus\"><\/i><\/span><span class=\"baf-collapsible-all\"><i class=\"fa fa-minus\"><\/i><\/span><\/div><div class=\"bwl-faq-container bwl-faq-container-820704733\" id=\"faq-781\"><label class=\"baf_schema\" label_id=\"ac-category-781\" parent_container_id=\"820704733\">What are the differences between the frequencies of 1MHz and 1KHz for testing capacitance values of varistors?<\/label><input id=\"ac-category-820704733781\" name=\"accordion-1\" type=\"checkbox\"><article class=\"ac-medium\" article_id=\"ac-category-781\"><div class=\"baf_content\"><p>In general, the capacitance value measured at 1kHz is 1.3 times that measured at 1MHz.<\/p>\n<\/div><\/article><\/div><div class=\"bwl-faq-container bwl-faq-container-820704733\" id=\"faq-783\"><label class=\"baf_schema\" label_id=\"ac-category-783\" parent_container_id=\"820704733\">What phenomena will occur if the varistor is used too many times?<\/label><input id=\"ac-category-820704733783\" name=\"accordion-1\" type=\"checkbox\"><article class=\"ac-medium\" article_id=\"ac-category-783\"><div class=\"baf_content\"><p>The varistor voltage of the product will decrease, and the leakage current will increase because the grain boundary layer will be damaged after multiple impacts, making it easier for free electrons to transition.<\/p>\n<\/div><\/article><\/div><div class=\"bwl-faq-container bwl-faq-container-820704733\" id=\"faq-782\"><label class=\"baf_schema\" label_id=\"ac-category-782\" parent_container_id=\"820704733\">What harmful substances are restricted by the RoHS directive for use in electronic and electrical equipment?<\/label><input id=\"ac-category-820704733782\" name=\"accordion-1\" type=\"checkbox\"><article class=\"ac-medium\" article_id=\"ac-category-782\"><div class=\"baf_content\"><p>Restrict the use of six harmful substances, including lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB), and polybrominated diphenyl ethers (PBDE).<\/p>\n<\/div><\/article><\/div><div class=\"bwl-faq-container bwl-faq-container-820704733\" id=\"faq-780\"><label class=\"baf_schema\" label_id=\"ac-category-780\" parent_container_id=\"820704733\">There are four series of varistors: KRMV-G, KRMV-S,KRMV-H,KRMV-E, What's the difference between them?<\/label><input id=\"ac-category-820704733780\" name=\"accordion-1\" type=\"checkbox\"><article class=\"ac-medium\" article_id=\"ac-category-780\"><div class=\"baf_content\"><p>The KRMV-G series is for general use, with a pressure-sensitive voltage generally below 100V; The KRMV-S series is a small capacitor series with a capacitance value generally less than 100pF; The KRMV-H series is a high-voltage series, with a voltage sensitivity of generally above 100V; The KRMV-E series is a high-energy series, with surge currents generally above 100A. The performance of each series depends on its size, and different series of products within the same size have higher electrical performance parameters in their sensitive areas.<\/p>\n<\/div><\/article><\/div><div id=\"baf_page_navigation\" class=\"baf_page_navigation\" data-paginate=\"1\" data-pag_limit=\"10\"><\/div><\/section>","protected":false},"excerpt":{"rendered":"<p>KRMV-G\u7cfb\u5217\u662f\u666e\u901a\u7528\u9014\uff0c\u538b\u654f\u7535\u538b\u4e00\u822c\u5728100V\u4ee5\u4e0b\uff1bKRMV-S\u7cfb\u5217\u662f\u5c0f\u7535\u5bb9\u7cfb\u5217\uff0c\u7535\u5bb9\u503c\u4e00\u822c\u5c0f\u4e8e100pF\uff1bKRMV-H\u7cfb\u5217\u662f\u9ad8\u538b\u7cfb\u5217,&hellip;<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_links_to":"","_links_to_target":""},"class_list":["post-472","page","type-page","status-publish","hentry","description-off"],"_links":{"self":[{"href":"https:\/\/www.gracevn.com\/en\/wp-json\/wp\/v2\/pages\/472"}],"collection":[{"href":"https:\/\/www.gracevn.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.gracevn.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.gracevn.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gracevn.com\/en\/wp-json\/wp\/v2\/comments?post=472"}],"version-history":[{"count":0,"href":"https:\/\/www.gracevn.com\/en\/wp-json\/wp\/v2\/pages\/472\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.gracevn.com\/en\/wp-json\/wp\/v2\/media?parent=472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}