All Questions
4
questions
3
votes
1
answer
1k
views
Connecting electrolytic capacitors in series to increase maximum voltage
I need to use a capacitor in a DC circuit where it would store somewhat higher voltage (hundreds of volts). The cheapest way to do that (in my case) is to connect multiple electrolytic capacitors in ...
5
votes
2
answers
5k
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Why do some capacitors not have vents?
Some (electrolytic) capacitors I have in a kit have vents, some do not (not on the top, not on the bottom).
The vents are there to safely let the gas out instead of letting the capacitor shoot.
So ...
1
vote
4
answers
5k
views
Big capacitors measurement(LCR meter related)
I digged up some capacitors from amplifier and decided to test them, one of them is said to be 8200 uF, the other 4700 uF.
I measured them with LCR meter and it gives very strange numbers.
If LCR ...
0
votes
1
answer
1k
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How to test aluminum polymer capacitor for failure?
I'm not electric engineer, so maybe it is obvious, but I would like to know how do I test (in-circuit) aluminum polymer capacitor for failure? Electrolytic capacitor usually fail with easily visible ...