[sdiy] Odp: Re: Semi-OT: odd capacitor values

[Dave Manley]

On August 28, 2016 11:00:25 AM PDT, Colin Hinz <lists at meccanion.com> wrote:
>On Sun, 28 Aug 2016, mskala at ansuz.sooke.bc.ca wrote:
>
>> On Sat, 27 Aug 2016, Roman wrote:
>>> 0.105MFD or 0.225MFD is a couple of hundred nanofarads, so they have
>not
>>> gone down much at all.
>>
>> I think that's the point.  If MFD meant "millifarad" then it would
>imply
>> the caps had gone down by a factor of a thousand or more to get from
>a
>> fraction of a MFD to a few hundred nanofarads, and that is not
>plausible
>> because the device still works, so MFD must mean "microfarad."
>
>I'm sorry, but how is this even a point of discussion? The "MFD"
>designation was standard nomenclature for "microfarad" well into the
>late 1960s or early 1970s. Just like "cycles" for what we now refer
>to as "Hertz". Have a look at old electronics textbooks to see
>other examples of obsolete terminology.
>
>- Colin

Exactly, and MMFD was for picoFarads.

Ob:Get off my lawn you damn kids!

-Dave