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Old 2nd Dec 2017, 4:36 pm   #29
Al (astral highway)
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Join Date: Nov 2006
Location: London, UK.
Posts: 3,496
Default Re: Electrolytic capacitor fails after 1 hour in service!

Quote:
Originally Posted by Maarten View Post
An X2 capacitor may be severly underrated or otherwise unsuitable for decoupling noisy DC power supply lines. It was designed to satisfy a very specific set of conflicting requirements found in mains filters and the like.
Absolutely right. I think it would be closed down pretty quickly in a pulse application (not that this is actually being used as a pulse capacitor, but it is repetitively running big currents up a DC bus and X2's aren't designed for that at all).
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