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metalized polyester film tank capacitor for a vacuum tube tesla coil? Answered

Can you use a mpf cap in a vttc for the tank circuit?

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lemonieBest Answer (author)2010-04-07

I don't think so, you want an air-gap I think.

L

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electricfan (author)lemonie2010-04-07

Are you talking about a vacuum capacitor? I'm not talking about a spark gap tesla  coil, i mean a vacuum tube tesla coil. i know mpf cap isn't good for sgtc because of the harsh pulse, but the vttc is cw (continous wave) so there is no pulse. thanks and please answer. 


Paul

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steveastrouk (author)electricfan2010-04-08

If its the topology I'm thinking of, all the caps need to be >>10kV operating. What's your circuit ? 

Steve

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electricfan (author)steveastrouk2010-04-08

It's xellers vacuum tube tesla coil on instructables.


Paul ( you havent updated your web site in 7  years)

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steveastrouk (author)electricfan2010-04-09

If the cap's rated at >10kV you'll be fine. Like Xellers says, its a class C circuit, so there are high resonant peaks on the cap.

Steve

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electricfan (author)steveastrouk2010-04-09

so it doesn't mater the type of cap?

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