Power Supply capacitor physical size

Noel Chiappa jnc at mercury.lcs.mit.edu
Sat Sep 3 10:56:04 CDT 2016

    > From: Jon Elson

    >> needs new caps since one of the 1000uF 16V ones has bulged badly.
    >> ...
    >> If I go up to 25V I can get 16mm diameter which is the size of the old
    >> ones.

    > Capacitors that are subjected to high AC ripple current may need the
    > large surface area for cooling. 

Interesting point - but in his particular case, he should be OK replacing the
old 16V cap with a similar-sized modern 25V cap?


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