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廈門(mén)泰尼電氣有限公司
主營(yíng)產(chǎn)品: AB模塊PLC |
![](/NewShowStand/style/14/Images/Blue/免費(fèi)會(huì)員1.png)
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廈門(mén)泰尼電氣有限公司
主營(yíng)產(chǎn)品: AB模塊PLC |
參考價(jià) | 面議 |
聯(lián)系方式:張亮查看聯(lián)系方式
更新時(shí)間:2018-04-21 18:24:56瀏覽次數(shù):285
聯(lián)系我們時(shí)請(qǐng)說(shuō)明是泵閥商務(wù)網(wǎng)上看到的信息,謝謝!
KSD1-08*-*KSD1-08
KSD1-08*-*KSD1-08
表明了二極管怎樣防止產(chǎn)生電弧和損壞元件。當(dāng)線(xiàn)圈中電流突然中止,線(xiàn)圈中就會(huì)產(chǎn)生一個(gè)很大的反電動(dòng)勢(shì),這個(gè)高電壓能引起產(chǎn)生電弧,會(huì)破壞像集成電路和三極管這種電壓敏感元件。在圖8-38(a)中,當(dāng)與繼電器線(xiàn)圈串聯(lián)的開(kāi)關(guān)打開(kāi)時(shí),將會(huì)產(chǎn)生電弧。在圖8-38(b)中,使用一個(gè)保護(hù)用的二極管并到線(xiàn)圈的兩端,反電動(dòng)勢(shì)作為二極管的正偏壓,二極管就能安全的對(duì)線(xiàn)圈進(jìn)行放電,有效的抑制電弧的產(chǎn)生。
關(guān)于電子學(xué):元件應(yīng)用
l 蘭色LED制作很困難對(duì)大多數(shù)應(yīng)用太貴
l 齊納二級(jí)管有時(shí)用于防止瞬變電壓損壞電路
l 無(wú)線(xiàn)電接收機(jī)中晶體作為檢波二級(jí)管
“*夸咱做的產(chǎn)品!"
泰尼菜譜
★主食:AB,施耐德和GE 發(fā)那科
★四菜一湯:AB 1785、1756、1747、1784,施耐德140系列,發(fā)那科A06B系列,西門(mén)子6ES,505系列熱賣(mài)!
★餐后水果:泰尼現(xiàn)貨
:張亮
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