<bdo id="2fwpw"></bdo><noframes id="2fwpw"><delect id="2fwpw"></delect><delect id="2fwpw"></delect><noframes id="2fwpw"><rt id="2fwpw"></rt><bdo id="2fwpw"></bdo><delect id="2fwpw"></delect><delect id="2fwpw"><bdo id="2fwpw"></bdo></delect><noframes id="2fwpw"><noframes id="2fwpw"><delect id="2fwpw"><delect id="2fwpw"></delect></delect><rt id="2fwpw"></rt><delect id="2fwpw"></delect><delect id="2fwpw"></delect><bdo id="2fwpw"></bdo><bdo id="2fwpw"></bdo> <bdo id="2fwpw"><rt id="2fwpw"></rt></bdo><noframes id="2fwpw"><bdo id="2fwpw"></bdo><bdo id="2fwpw"></bdo><delect id="2fwpw"><rt id="2fwpw"></rt></delect><rt id="2fwpw"><rt id="2fwpw"></rt></rt><bdo id="2fwpw"><bdo id="2fwpw"></bdo></bdo><rt id="2fwpw"></rt><delect id="2fwpw"></delect><noframes id="2fwpw"><rt id="2fwpw"></rt><rt id="2fwpw"></rt><rt id="2fwpw"></rt><rt id="2fwpw"></rt><delect id="2fwpw"><noframes id="2fwpw"><noframes id="2fwpw"> <delect id="2fwpw"></delect><delect id="2fwpw"></delect><noframes id="2fwpw"><delect id="2fwpw"></delect><bdo id="2fwpw"></bdo><noframes id="2fwpw"><noframes id="2fwpw">
hy981
級別: 略有小成
精華主題: 0
發(fā)帖數量: 172 個(gè)
工控威望: 431 點(diǎn)
下載積分: 2184 分
在線(xiàn)時(shí)間: 202(小時(shí))
注冊時(shí)間: 2007-11-02
最后登錄: 2023-12-14
查看hy981的 主題 / 回貼
樓主  發(fā)表于: 2011-08-17 17:43
請問(wèn)我要用20A的電流，現在選40A的固態(tài)繼電器要用散熱器嗎，選用繼電器有沒(méi)有公式的
huang118
級別: 探索解密
精華主題: 0
發(fā)帖數量: 10 個(gè)
工控威望: 101 點(diǎn)
下載積分: 541 分
在線(xiàn)時(shí)間: 13(小時(shí))
注冊時(shí)間: 2009-12-18
最后登錄: 2016-05-05
查看huang118的 主題 / 回貼
1樓  發(fā)表于: 2011-08-18 08:35
必須加散熱器，因為其發(fā)熱比較大。功率大點(diǎn)的還得外加風(fēng)機散熱

国产精品碰碰现在自|超碰香蕉人人网99精品|人妻无码一区二区19p|久久久噜噜噜久久中文字幕|亚洲va中文字幕无码
<bdo id="2fwpw"></bdo><noframes id="2fwpw"><delect id="2fwpw"></delect><delect id="2fwpw"></delect><noframes id="2fwpw"><rt id="2fwpw"></rt><bdo id="2fwpw"></bdo><delect id="2fwpw"></delect><delect id="2fwpw"><bdo id="2fwpw"></bdo></delect><noframes id="2fwpw"><noframes id="2fwpw"><delect id="2fwpw"><delect id="2fwpw"></delect></delect><rt id="2fwpw"></rt><delect id="2fwpw"></delect><delect id="2fwpw"></delect><bdo id="2fwpw"></bdo><bdo id="2fwpw"></bdo> <bdo id="2fwpw"><rt id="2fwpw"></rt></bdo><noframes id="2fwpw"><bdo id="2fwpw"></bdo><bdo id="2fwpw"></bdo><delect id="2fwpw"><rt id="2fwpw"></rt></delect><rt id="2fwpw"><rt id="2fwpw"></rt></rt><bdo id="2fwpw"><bdo id="2fwpw"></bdo></bdo><rt id="2fwpw"></rt><delect id="2fwpw"></delect><noframes id="2fwpw"><rt id="2fwpw"></rt><rt id="2fwpw"></rt><rt id="2fwpw"></rt><rt id="2fwpw"></rt><delect id="2fwpw"><noframes id="2fwpw"><noframes id="2fwpw"> <delect id="2fwpw"></delect><delect id="2fwpw"></delect><noframes id="2fwpw"><delect id="2fwpw"></delect><bdo id="2fwpw"></bdo><noframes id="2fwpw"><noframes id="2fwpw">