在两家供应手上买的两批货
1820+的管脚颜色发黄,产地中国
2106+的管脚就很亮,产地泰国
请问这个是什么原因是否有PCN说明?
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Hi
发黄的应该是氧化了,建议你确认一下焊锡效果,不好的话,可以换货。(可能是非真空包装导致的)