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Re: dieletric strength question
No problems here, epoxy pcb has a puncture voltage of 15kV per mil or
thereabouts. I have made caps for tank circuits running at 10kV, and have
tested them to 30kV, using 1/16th board. Details are on my website
----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
Sent: Friday, September 08, 2000 1:17 AM
Subject: dieletric strength question
> Original poster: jmonty-at-flash-dot-net
> I had a friend pose me the following question that someone on the
> list probably can answer off the top of his or her head.
> Here's the question.
> "I've made a capacitor out of double sided epoxy circuit board for
> the cold end of the resonator in the two meter cavity amp. It needs
> to take 3KV and just by looks I'd say it does. Guess as a last
> resort I could hook it up to HV but my heart won't take many more
> shotgun explosions going off in the shack.
> It measures .050, including the copper, which is a few mils."
> Any help in determining a ball park puncture voltage would be most
> Jeff Montgomery
> Palestine, Texas