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电容的正负极怎么看
更新时间: 2020-11-08 00:00:00  

电容的正负极,通常都会在外表面写得非常清楚,就写在两个接线柱旁边。另外的就是焊片铝电解电容。表面也有标记负极或者“-”符号,一般还在焊脚底部采用负极压花焊脚作为标记。

关键词: 电容 负极 怎么

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