Power Supply capacitor physical size

Adrian Graham witchy at binarydinosaurs.co.uk
Sat Sep 3 12:07:31 CDT 2016

On 03/09/2016 17:39, "Jon Elson" <elson at pico-systems.com> wrote:

> 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.

Hence my question, I'll stick with the same size but higher voltage.


Binary Dinosaurs creator/curator
Www.binarydinosaurs.co.uk - the UK's biggest private home computer

More information about the cctalk mailing list