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| Through hole pins not soldering |
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9/24/2020 |
4 posts
1224 views
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I have modules that come with a 4 x 2 pin header. The problem is the pins must be oxidized as they do not take solder (no wetting occurring). This occurs whether solder in our wave soldering machine or soldered by hand.
I tried cleaning the module in Ultra-sonic bath with IPA but did not help. Can someone provide a recommended method of cleaning up the pins so they will wet properly?
Thanks
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