鉭電容都有正負，鉭電容的特性_鉭電容用具有單向導電性，即所謂有，avx鉭電容的應用時應按電源的正、負方向接入電流，電容器的陽正接電源+接電源的假設接錯不僅電容器施展不了作用，而且漏電流很大，短時間內芯子就會發燒，損壞氧化膜隨即失效。avx鉭電容的正負差異簡樸的方法便是看其外表的標志。上面有標志的黑塊為負。

avx鉭電容在電容方位上有兩個半圓(yuan)，涂色彩(cai)的(de)半圓(yuan)對應的(de)引(yin)腳為。也有用引(yin)腳對錯來差異為正，短腳為負。

avx鉭(tan)電(dian)(dian)(dian)容(rong)的主要成分的金(jin)屬氧化物半(ban)導(dao)體非線性電(dian)(dian)(dian)阻(zu)(zu)，當作用在其(qi)兩真個電(dian)(dian)(dian)壓(ya)(ya)抵達必(bi)定(ding)數值(zhi)后(hou)，電(dian)(dian)(dian)阻(zu)(zu)對(dui)電(dian)(dian)(dian)壓(ya)(ya)非常(chang)靈敏(min)。它的作業原理(li)相(xiang)當于多個半(ban)導(dao)體P-N的串并聯。壓(ya)(ya)敏(min)電(dian)(dian)(dian)阻(zu)(zu)的特(te)色對(dui)錯線性特(te)性好，選用壓(ya)(ya)敏(min)電(dian)(dian)(dian)阻(zu)(zu)的參閱電(dian)(dian)(dian)壓(ya)(ya)應由被(bei)維護電(dian)(dian)(dian)子(zi)設(she)備(bei)的耐受電(dian)(dian)(dian)壓(ya)(ya)來承認(ren)，應使壓(ya)(ya)敏(min)電(dian)(dian)(dian)阻(zu)(zu)的殘(can)壓(ya)(ya)低于被(bei)維護電(dian)(dian)(dian)子(zi)設(she)備(bei)的而損電(dian)(dian)(dian)壓(ya)(ya)水平上式中K為(wei)殘(can)壓(ya)(ya)比，為(wei)被(bei)維護設(she)備(bei)的而損電(dian)(dian)(dian)壓(ya)(ya)。

信息來源：鉭(tan)(tan)(tan)(tan)電(dian)(dian)容(rong)(rong)(rong)，avx鉭(tan)(tan)(tan)(tan)電(dian)(dian)容(rong)(rong)(rong)，貼片鉭(tan)(tan)(tan)(tan)電(dian)(dian)容(rong)(rong)(rong)，基美(mei)貼片鉭(tan)(tan)(tan)(tan)電(dian)(dian)容(rong)(rong)(rong)，avx貼片鉭(tan)(tan)(tan)(tan)電(dian)(dian)容(rong)(rong)(rong)，基美(mei)鉭(tan)(tan)(tan)(tan)電(dian)(dian)容(rong)(rong)(rong)