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Subject: Re: [motm] somewhat OT: capacitor questions

From: "Paul Schreiber" <synth1@...>
Date: 2001-08-07

> Here's what I'm wondering:
> 1. Does size matter? I've noticed a lot of the electrolytics in older
gear
> are rather largish compared to equivalently spec'ed contemporary
> caps. Is there any performance difference?

The smaller ones use better dielectric material. Higer voltage caps are
smaller, especially.


>
> 2. I've seen some old ceramic caps marked (e.g.) "22m". What's
> the M all about?

Back in the good old days, a pf (picofarad) was called a mmf
(milli-milli-farad). 22M = 22pf.

Paul S.