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  1. tinska

    Corrosion(?) on solder joints

    Greetings, In our subcontractor manual soldering line we found out random units (maybe 0.1%) that would produce a "phantom" resistance on powerwire-to-PCB joint after few months. By phantom resistance, I mean we see voltage dips when ICs draw current(~20mA, wires are thick) from battery, since...

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