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Solution
? 方案滿(man)足IEC61000-4-5、GBT17626.5等(deng)浪(lang)涌測(ce)試標準(zhun); ? 在差模(mo)(mo)(mo)防護(hu)中(zhong),采用鉗(qian)位器(qi)件壓(ya)(ya)敏電(dian)阻MOV,響應(ying)速度快,降低L與N線之間(jian)的浪(lang)涌電(dian)壓(ya)(ya); ? 在共模(mo)(mo)(mo)防護(hu)中(zhong),采用壓(ya)(ya)敏電(dian)阻MOV和陶瓷氣體放電(dian)管GDT串聯(lian)到PCB地或者(zhe)設備外(wai)殼,阻止壓(ya)(ya)敏電(dian)阻MOV的漏電(dian)流,滿(man)足安規要求; ? 電(dian)源方案可通過1.2/50-8/20μS組合波(bo)差模(mo)(mo)(mo)、共模(mo)(mo)(mo)6.0KV浪(lang)涌測(ce)試; PS:在有(you)絕(jue)緣等(deng)級(ji)耐(nai)壓(ya)(ya)測(ce)試AC1500V要求時,陶瓷氣體放電(dian)管GDT建議選用DC3500V電(dian)壓(ya)(ya);
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