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变阻器的封装?

院士
2006-09-17 18:14:16     打赏
变阻器的封装?



关键词: 变阻器     封装    


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院士
2006-12-22 22:43:00     打赏
2楼
问 变阻器一般是用什么封装啊?有圆形和长方形两种吧 1: 变阻器的封装三脚排列的引脚用:VR3或VR4
引脚是一列的就不知道了,要自己画吧。请大家指教! 2: 封装根据产品式样画封装就是一个电子件安装定位到电路板上的工艺,自己根据样品尺寸画就好了~! 3: 需要先买元件再画PCB,否则买不到你又如何办?

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