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Old 10-15-2020, 06:53 PM   #13
"Oh, Grouchy!"
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Join Date: Jan 2011
City & State: PA
My Country: USA
I'm a: Professional Tech
Posts: 2,364
Default Re: 4700uF 6.3v and 3300uF 16v in a 10mm Diameter

Keep in mind oxide thickness reduction will increase capacitance.

Charge say, a 16v cap from 16-20v thru a 1k-10k resistor til cap voltage equals supply voltage. Then measure the capacitance- oxide may be closer to original thickness.

Yes, there's other factors involved here, not the least of which is the fact they're "f-yoos," but it's an attempt to go back to at least one "known". Such craps and their oxide thickness reduction will give a false-high capacitance when tested.

Which you know already...
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