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-   -   Bipolar capacitors for decoupling? (http://www.diyaudio.com/forums/solid-state/226707-bipolar-capacitors-decoupling.html)

rhythmsandy 30th December 2012 08:41 PM

Bipolar capacitors for decoupling?
 
I have few Elna silmic2 with 35v rating but my amp psu is +/-55v can I use two capacitors connecting the back to back negative pins so that I can use them as Bipolar and even increases the voltage rating of it?

jcx 30th December 2012 08:50 PM

bipolar won't have "negative" pin - no front/back
 
no, in reverse the polar type only block ~1V so the rating of the pair would only be 35 VDC

in series you can add the V rating - if you provide some way to balance the V across the pair


if you do mean bipolar, full thickness oxide grown on both foils then you still need some V balancing technique to use at higher than individual cap rating

rhythmsandy 30th December 2012 08:54 PM

so its better to use two of them in series to get better output voltage but overall the capacitance will be half of the original rating of the cap..


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