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Solution
? 方案(an)滿足(zu)IEC61000-4-5、GBT17626.5等浪(lang)涌(yong)(yong)測試(shi)標(biao)準(zhun); ? 在差模防護(hu)中(zhong),采(cai)用鉗(qian)位器(qi)件(jian)壓(ya)(ya)敏電(dian)(dian)阻MOV,響應速度快,降低L與N線之間的浪(lang)涌(yong)(yong)電(dian)(dian)壓(ya)(ya); ? 在共模防護(hu)中(zhong),采(cai)用壓(ya)(ya)敏電(dian)(dian)阻MOV和(he)陶(tao)瓷氣體放電(dian)(dian)管GDT串聯到(dao)PCB地或者設備(bei)外殼,阻止(zhi)壓(ya)(ya)敏電(dian)(dian)阻MOV的漏電(dian)(dian)流,滿足(zu)安規(gui)要求(qiu); ? 電(dian)(dian)源方案(an)可通過1.2/50-8/20μS組合波(bo)差模、共模6.0KV浪(lang)涌(yong)(yong)測試(shi); PS:在有(you)絕(jue)緣等級耐壓(ya)(ya)測試(shi)AC1500V要求(qiu)時,陶(tao)瓷氣體放電(dian)(dian)管GDT建(jian)議選用DC3500V電(dian)(dian)壓(ya)(ya);
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