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如何从外观上区分电容正负极

更新时间: 2020-07-01 00:00:00     

判断方法为:

1、直插式极性电容的正负极在一般的情况下都是长脚是正极,短脚是负极;

2、在灰色的部分有两条矩形框,挨着灰色部分最近的引脚即为负极;

3、对应于印刷电路版,电解电容对应的部分是一个圆形区域,电解电容本身的阴影部分对应印刷电路板的阴影部分接,非阴影部分对应电路板非阴影部分接,电解电容和线路板的阴影部分是负极。

关键词: 如何 外观 区分 电容 负极

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