[Milsurplus] Fwd: Advice on which caps to keep ( even longer )

[Al Klase]

Not necessarily so!  The troublesome (paper) Micamolds have higher 
values, e.g.  0.1 uF.  The smaller ones, say 1000 pF and down, are 
likely mica.  there might actually be an indication on units with 6-dot 
color codes, but I don't remember the details.

Al

On 8/29/2023 9:53 PM, hwhall at aol.com wrote:
> "
> Toss any which say "Micamold". They aren't mica: they are paper..."
>
> This is not 100% true. Micamold made real mica capacitors, too.
>
> Wayne
> WB4OGM
>
> On Tuesday, August 29, 2023 at 07:39:51 PM MDT, Kenneth G. Gordon 
> <kgordon2006 at frontier.com> wrote:
>
>
> On 29 Aug 2023 at 19:51, Hubert Miller wrote:
>
> > Also i have a box of maybe 1000 more or less of "postage stamp" type
> > caps. First level sorting, which makes and marks are bad news and can
> > be tossed without second thoughts ? thanks- -Hue Miller
>
> Toss any which say "Micamold". They aren't mica: they are paper and 
> every one I have
> tested was leaky, some very badly leaky, and some even dead-shorted.
>
> If you really want to test your caps, I can send you my other rebuilt 
> Heathkit C-3. I have two.
>
> I recently rebuilt a couple of National NC-57s, which were full of 
> those Micamolds. There
> wasn't one single one of them which was worth keeping.
>
> Ken W7EKB
>
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-- 
ARK Sig Block Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/
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