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電子元件行業簡介

電子元件有哪些

電(dian)(dian)(dian)(dian)(dian)(dian)子元器(qi)(qi)(qi)(qi)(qi)件(jian)包括：電(dian)(dian)(dian)(dian)(dian)(dian)阻、電(dian)(dian)(dian)(dian)(dian)(dian)容器(qi)(qi)(qi)(qi)(qi)、電(dian)(dian)(dian)(dian)(dian)(dian)位器(qi)(qi)(qi)(qi)(qi)、電(dian)(dian)(dian)(dian)(dian)(dian)子管(guan)、散熱(re)器(qi)(qi)(qi)(qi)(qi)、機電(dian)(dian)(dian)(dian)(dian)(dian)元件(jian)、連接器(qi)(qi)(qi)(qi)(qi)、半導體分立器(qi)(qi)(qi)(qi)(qi)件(jian)、電(dian)(dian)(dian)(dian)(dian)(dian)聲器(qi)(qi)(qi)(qi)(qi)件(jian)、激光器(qi)(qi)(qi)(qi)(qi)件(jian)、電(dian)(dian)(dian)(dian)(dian)(dian)子顯示(shi)器(qi)(qi)(qi)(qi)(qi)件(jian)、光電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)件(jian)、傳(chuan)感器(qi)(qi)(qi)(qi)(qi)、電(dian)(dian)(dian)(dian)(dian)(dian)源、開關(guan)、微特電(dian)(dian)(dian)(dian)(dian)(dian)機、電(dian)(dian)(dian)(dian)(dian)(dian)子變壓器(qi)(qi)(qi)(qi)(qi)、繼電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)(qi)、印(yin)制電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)板、集成電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)、各類(lei)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)、壓電(dian)(dian)(dian)(dian)(dian)(dian)、晶(jing)體、石英、陶(tao)瓷(ci)磁性材料、印(yin)刷(shua)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)用基材基板、電(dian)(dian)(dian)(dian)(dian)(dian)子功能(neng)工(gong)藝專用材料、電(dian)(dian)(dian)(dian)(dian)(dian)子膠（帶）制品、電(dian)(dian)(dian)(dian)(dian)(dian)子化學(xue)材料及部(bu)品等(deng)。

電子元件符號認識

電(dian)子元件有許多種，為(wei)了區分一(yi)般用(yong)“字(zi)(zi)(zi)(zi)母+數(shu)(shu)字(zi)(zi)(zi)(zi)”的形式表(biao)(biao)(biao)(biao)示。電(dian)阻用(yong)“R+數(shu)(shu)字(zi)(zi)(zi)(zi)”表(biao)(biao)(biao)(biao)示，電(dian)容(rong)用(yong)“C+數(shu)(shu)字(zi)(zi)(zi)(zi)”表(biao)(biao)(biao)(biao)示，電(dian)容(rong)容(rong)量誤差表(biao)(biao)(biao)(biao)符號為(wei)F、G、J、K、L、M，晶體二(er)極管(guan)(guan)用(yong)“D+數(shu)(shu)字(zi)(zi)(zi)(zi)”表(biao)(biao)(biao)(biao)示，穩壓二(er)極管(guan)(guan)用(yong)“ZD+數(shu)(shu)字(zi)(zi)(zi)(zi)”表(biao)(biao)(biao)(biao)示，電(dian)感用(yong)“L+數(shu)(shu)字(zi)(zi)(zi)(zi)”表(biao)(biao)(biao)(biao)示，晶體三極管(guan)(guan)用(yong)“Q+數(shu)(shu)字(zi)(zi)(zi)(zi)”表(biao)(biao)(biao)(biao)示。

電子元件采購注意事項

最需要注意的是找正規工商注冊的公司進行采購，了解供應商資質，三證是否齊全，只有優質的電子元件品牌才能保障產品(pin)的(de)質(zhi)量(liang)。此外要考(kao)慮電(dian)子(zi)元(yuan)件的(de)型號細節部分，如產品(pin)的(de)誤差、材質(zhi)等。最后需要控制成(cheng)本，考(kao)慮性價(jia)比方面的(de)需求，切勿(wu)貪小便宜，可以先小批量(liang)采樣再大規模采購。

電子元件的作用

1、繼(ji)電(dian)(dian)器：在(zai)電(dian)(dian)路(lu)中起著(zhu)自(zi)動調節、安(an)全保(bao)護、轉換電(dian)(dian)路(lu)等作用。

2、電容器：應(ying)用于隔(ge)直，耦合，旁路(lu)，濾波，調諧回(hui)路(lu)， 能量轉換，控制電路(lu)等方(fang)面。

3、連(lian)接器(qi)：連(lian)接兩個有源器(qi)件的器(qi)件，傳輸電流或信號。

4、電(dian)位(wei)器：用于分壓的可變電(dian)阻器。