Re: [CAD_CAM_EDM_DRO] Re: Capacitors

n4onl wrote:

> > > How come some capacitors are measured in uF units and some are mfd
> > > units?
> >
> > You must have an old junkbox! mfd is an obsolete designation that
> was
> > phased out at the end of WW II. Europeans use all the metric
> ranges,
> > so they have uF, nF and pF. You will find old stuff that has uuF
> instead
> > of pF, too.
> >
> > Jon
>
> Not necessarily, I have a MallorY (the 'allor' are smaller caps with
> a line over them, Trademark?) computer grade capacitor TYPE CGS rated
> at 32000 MFD (microfarad) 30VDC right here that is about 15 years
> old, and at work we have some computer grade MallorY's rated at 15000
> MFD 100VDC that are less than 5 years old. Some manufacturers just
> like to stick to the old ways of marking capicitors, and Mallory
> seems to like all capitol letters. I've been interested in
> electronics for over 35 years (and have both amateur radio and
> commercial FCC licenses for over 25 of thoes) and uF, mF, MF, MFD...
> have always been interchangeable, at least here in the US.

After sending my reply, I realized that a number of manufacturers are
using obsolete terminology. They really should conform to the standard.

Jon