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Old 1st Dec 2017, 4:43 pm   #4
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 jjl View Post
Al

Do you know the ripple current rating of your failed capacitor? In this sort of application it is possible that you exceeded the specified rating.
Good point, John. I didn't look that up. I did take every precaution - very short leads, radial component mounted right across the pins of the device to reduce parasitic inductance...

But the active device can switch in 15nS, and was supplying 2A pulses to a gate, so it is a stressful role.
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