Power Supply capacitor physical size
elson at pico-systems.com
Sat Sep 3 11:39:33 CDT 2016
On 09/03/2016 10:56 AM, Noel Chiappa wrote:
> > 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?
Similar size - then no problem! But, some new cap types are
VASTLY smaller than the caps from 40 years ago.
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