怎么区分led灯灯珠的四条金线

怎么区分led灯灯珠的四条金线
2025-03-15 08:10:54
推荐回答(1个)
回答1:

按照您的题目,我是这样理解您的问题的:LED封装的时候芯片需要与LED的支架连接,一般情况是使用金线进行焊接连接的。那么,4条金线的意思是:利用4条金线进行连接。为什么呢?这是与大功率灯珠的需要过的电流有关系,金线一般是一条直径很细小的线,一般以mil为单位(密耳(mil)=0.0254毫米(mm)1毫米=39.37密耳(mil)1英寸=1000mil),0.8mil   1.0mil   1.2mil  就是说,这么细小的金线在大功率灯珠上会存在电流不够过的现象,为了解决这个问题,大功率封装的时候增加一组(2条金线)金线使之获取足够的过电电流。


如何区分:这方面要使用放大镜来区分了,用放大镜靠近看灯珠内部,可以看到有4跟金线的灯珠就是四条金线的灯珠,如果看到2跟金线,那么。就是二条金线的灯珠了。如图:

这是4条金线的灯珠

这是2条金线的灯珠

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