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三极管7150用什么管可以代用 电子秤

热度 12已有 66 次阅读2013-9-23 19:31

电子秤

你好!你说的HT7150不是三极管,而是一个5V的稳压IC,可以用一个LM7805代替,在焊接的过程中请注意元件的脚位,给你个参考点!(一般第一脚是输入,第二脚是地,第三脚是5V的输出!)如果您使用的功率不是很大的话可以选择以下元件:78L057805

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