[Boatanchors] How do I read these capacitors

[rkerr]

Philip Atchley wrote:

>Hi all,
>
>I've decided to go ahead and replace the paper caps and any out of tolerance
>resistors in the Superior (??) TV-50A Genometer, and "reform" the 'lytics if
>they will.  (May replace them later when I have them).
>
>Anyway, I'm perfectly able to "read" the color dots on old Micamolds etc, but
>have run across two capacitors that I'm unsure of.  I can't find any
>information in my "old" books on reading these either.  They are square,
>brown, "mica like" capacitors with no color codes or values, they have the
>following written on them.  I've tried measuring them but the DMM just
>"blinks" and continuously "ranges", which on that test instrument indicates a
>problem in the capacitor (leaky or power factor etc)
>
>CN43AE503M  (Guess .05uF?)
>CM40B822K   (Guess .0082 uF?)
>  
>
The last three digits give the capacitance in pF as two significant 
digits plus the number of following zeros.
503 => 50000 pF => 0.05 uF
822 => 8200 pF   => 0.0082 uF

Bob
WB4TGG