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Old 1st Dec 2017, 7:47 pm   #11
kalee20
Dekatron
 
Join Date: Feb 2007
Location: Lynton, N. Devon, UK.
Posts: 4,631
Default Re: Electrolytic capacitor fails after 1 hour in service!

This is surprising to me! Even if you exceed the ripple rating, I would expect a lifetime of more than an hour - and the failure mode to be gradual drying out and rising ESR.

Just a thought - it was the right way round wasn't it? 18V is about what I'd expect to gradually destroy an electrolytic, climaxing in an hour or so.
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