[AMRadio] Help with silver mica marking

Rick Brashear rickbras at airmail.net
Fri Sep 14 16:02:07 EDT 2007

I have some 220 pf silver mica capacitors with the following markings:


I know the 221 means 22 X 10, but is the J the tolerance or voltage rating?
Been too long...

Thanks for all help..

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