Quote:
Originally Posted by Eric H
I've restuffed a lot of late 40's capacitors, about 90% of them are dried up inside with the electrolyte turned to a white crystalline powder and the Aluminum foil is rotted and deteriorated. They often would still work to some extent, but no way were they okay.
Normally they would be damp to actually wet inside.
Low leakage is one part, but have you checked them for capacitance? I suspect the deteriorated ones have lost a lot.
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oddly enough, the electrolytics on my 1949 FADA tested WAY higher than they were rated for when i replaced them, 2 to 4 times higher, at the time, I had no way to test for leakage, I just assumed they would all be bad, and replaced all caps, paper and electrolytic, most of them, if not all testing much higher than they should.
06-22-2020, 06:19 PM
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