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12V/24V/48V直流DC電源端口浪湧過壓保護推薦TVS管型號

更(geng)新時間:2023-08-22

直流DC電源端口浪湧過壓防護一直都是很多新老電子工程師關註的方案之一。不管是電源端口浪湧防護還是信號接口靜電保護,浪湧靜電防護,找東沃,電路保護不迷路!東沃電子專註於研發、生產、銷售靜電保護二極管(ESD)、瞬態抑製二極管(TVS)、陶瓷氣體放電管(GDT)、壓敏電阻(MOV)、自恢復保險絲(PPTC)、半導體放電管(TSS)等全系列保護器件。同時,設有專業的EMC測試整改中心。東沃電子TVS二極管峰值脈沖承受功率範圍200W~30KW、工作電壓範圍3.3V~600V、具有極低漏電流至nA級別、響應速度快達Ps級別、鉗位電壓精準。在直流DC電源端口浪湧過壓保護方案中,常推薦選用TVS二極管做防護。東沃直流DC電源端口浪湧過壓保護方案圖如下所示:

東沃直流電源浪湧保護方案.jpg

從圖中可(ke)知,方案用於滿(man)(man)足12V/24V/48V直流(liu)DC電(dian)(dian)源(yuan)端(duan)口浪湧(yong)(yong)過壓保(bao)護,根據電(dian)(dian)源(yuan)所(suo)處(chu)環境(jing)選(xuan)擇合適TVS保(bao)護器件(jian),滿(man)(man)足IEC 61000‐4‐2,等級4,接觸放電(dian)(dian)8kV,空氣放電(dian)(dian)15kV。如(ru)需滿(man)(man)足IEC 61000‐4‐5浪湧(yong)(yong)高等級測試,東沃電(dian)(dian)子技術(shu)推薦選(xuan)用大功(gong)率(lv)SMC封裝(zhuang)TVS二極管。

1)12V直(zhi)流浪湧(yong)防護,東沃電(dian)子推薦選用TVS二(er)極(ji)管(guan):

√ SMBJ15CA:雙(shuang)向、工作電(dian)壓15V、擊穿電(dian)壓16.7V~18.5V、鉗位電(dian)壓24.4V、峰值脈(mo)沖電(dian)流24.59A、漏(lou)電(dian)流1μA、峰值脈(mo)沖功率600W、SMB封裝(zhuang);

√ SMCJ15CA:雙向(xiang)、工(gong)作電(dian)(dian)(dian)壓15V、擊穿電(dian)(dian)(dian)壓16.7V~18.5V、鉗位電(dian)(dian)(dian)壓24.4V、峰值脈沖(chong)電(dian)(dian)(dian)流61.48A、漏電(dian)(dian)(dian)流1μA、峰值脈沖(chong)功率1500W、SMC封裝;

√ SMDJ15CA:雙向、工作電壓(ya)(ya)15V、擊穿電壓(ya)(ya)16.7V~18.5V、鉗位電壓(ya)(ya)24.4V、峰值脈(mo)沖電流122.95A、漏(lou)電流2μA、峰值脈(mo)沖功率(lv)3000W、SMC封裝;

2)24V直(zhi)流浪(lang)湧防護(hu),東沃(wo)電子推薦(jian)選用TVS二極管:

√ SMBJ26CA:雙向、工作電壓26V、擊穿電壓28.9V~31.9V、鉗(qian)位電壓42.1V、峰值(zhi)脈(mo)(mo)沖電流(liu)14.25A、漏電流(liu)1μA、峰值(zhi)脈(mo)(mo)沖功率600W、SMB封裝;

√ SMCJ26CA:雙向、工作電(dian)壓(ya)(ya)26V、擊穿電(dian)壓(ya)(ya)28.9V~31.9V、鉗(qian)位電(dian)壓(ya)(ya)42.1V、峰(feng)值(zhi)脈沖(chong)電(dian)流(liu)35.63A、漏(lou)電(dian)流(liu)1μA、峰(feng)值(zhi)脈沖(chong)功率1500W、SMC封裝;

√ SMDJ26CA:雙(shuang)向、工作電(dian)(dian)壓26V、擊穿電(dian)(dian)壓28.9V~31.9V、鉗位電(dian)(dian)壓42.1V、峰(feng)值脈(mo)沖電(dian)(dian)流71.26A、漏電(dian)(dian)流2μA、峰(feng)值脈(mo)沖功率3000W、SMC封裝;

3)48V直流浪湧防護,東沃電(dian)子推薦選用TVS二極管:

√ SMBJ54CA:雙向、工(gong)作電(dian)壓(ya)54V、擊穿電(dian)壓(ya)60V~66.3V、鉗位電(dian)壓(ya)87.1V、峰值(zhi)脈(mo)沖(chong)(chong)電(dian)流(liu)6.89A、漏電(dian)流(liu)1μA、峰值(zhi)脈(mo)沖(chong)(chong)功率600W、SMB封(feng)裝;

√ SMCJ58CA:雙(shuang)向、工作(zuo)電(dian)(dian)壓(ya)58V、擊穿(chuan)電(dian)(dian)壓(ya)64.4V~71.2V、鉗位電(dian)(dian)壓(ya)93.6V、峰值(zhi)脈沖電(dian)(dian)流16.03A、漏(lou)電(dian)(dian)流1μA、峰值(zhi)脈沖功率1500W、SMC封裝;

√ SMDJ58CA:雙(shuang)向、工作電壓(ya)58V、擊穿電壓(ya)64.4V~71.2V、鉗(qian)位電壓(ya)93.6V、峰值脈(mo)沖(chong)電流(liu)32.05A、漏電流(liu)2μA、峰值脈(mo)沖(chong)功率3000W、SMC封裝;

直流保護TVS選型.png

以上是12V/24V/48V直流DC電源端口浪湧過壓保護經典方案,如有特殊需求,歡迎前來探討。浪湧靜電防護方案,找東沃電子,電路保護不迷路!方案中選用到的TVS瞬態抑製二極管SMBJ15CA、SMCJ15CA、SMDJ15CA、SMBJ26CA、SMCJ26CA、SMDJ26CA、SMBJ54CA、SMCJ58CA和SMDJ58CA,東沃電子已全面量產、品質穩定、高可靠性、交期迅速、廠家價格、免費樣品、免費EMC測試、免費選型,歡迎廣大新老客戶前來咨詢:137 5773 6996(微信同號)余工。

TVS二極管.jpg

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