[Boatanchors] Postage Stamp Mica Question
David C. Hallam
dhallam at knology.net
Fri Aug 9 19:22:26 EDT 2013
The 6 dot AWS/JAN color code used the upper left hand dot as a marking
for mica or paper. The black dot means mica. A silver dot means paper.
There were paper capacitors in molded cases just like the micas.
On 8/9/2013 5:57 PM, J. Forster wrote:
> I'm still working on the ART-4 transmitter and want to put values on the
> schematic. The unit has about a half dozen 'postage stamp' mica caps.
> They are all marked like 'Type 5' on thos page:
> and have 6 color dots.
> Reading in the correct order, clockwise starting at the top left, the dots
> See the issue? The value SEEMS to be 051 pF; 400 VDC, 2%
> Question: Was it ever convention to use a leading zero in color codes for
> this type of cap? I've never seen it before.
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