51问答网 > 如何判断三极管型和管脚

如何判断三极管型和管脚

2025-03-13 23:35:53
推荐回答（1个）
回答1：

三极管一般上面会写编号，你看编号是PNP还是NPN，然后一般实验室用的三极管从上面看是个圆形的，有一个小凸起，小突起对应的管脚是B，然后根据不同的管型可以找出E和C，不过最保险的方法还是跟根据型号查阅DATASHEET，上面会解释怎么看

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