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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