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Solution
? 方案(an)滿足IEC61000-4-5、GBT17626.5等浪涌(yong)測(ce)試標準; ? 在(zai)差模防護(hu)中(zhong),采(cai)用(yong)鉗(qian)位(wei)器件(jian)壓(ya)(ya)敏電阻MOV,響應速度快(kuai),降低L與N線之(zhi)間的(de)浪涌(yong)電壓(ya)(ya); ? 在(zai)共(gong)模防護(hu)中(zhong),采(cai)用(yong)壓(ya)(ya)敏電阻MOV和陶瓷氣體(ti)放電管GDT串聯到PCB地或者(zhe)設(she)備(bei)外殼(ke),阻止壓(ya)(ya)敏電阻MOV的(de)漏電流,滿足安規(gui)要求; ? 電源方案(an)可通過1.2/50-8/20μS組合波差模、共(gong)模6.0KV浪涌(yong)測(ce)試; PS:在(zai)有(you)絕緣(yuan)等級耐壓(ya)(ya)測(ce)試AC1500V要求時,陶瓷氣體(ti)放電管GDT建議選(xuan)用(yong)DC3500V電壓(ya)(ya);
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