RE: [TCML] Plastic Capacitors "HG" series

["Lau, Gary" <Gary.Lau@xxxxxx>]

I suspect these caps are not suitable for a TC.  The web page cited makes no mention of the dielectric type, but for that case style, mylar is often used, which means it will get hot quickly.  And getting hot with a glass case is particularly not good :-(  

Like the web page says, for complete specs, request their catalog, or at least ask them what the dielectric composition is.  If the answer is Mylar or polyester film, the Marx generator is a good plan B.

Regards, Gary Lau
MA, USA



> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> Behalf Of Ben Buxton
> Sent: Sunday, April 12, 2009 8:53 PM
> To: Tesla list
> Subject: [TCML] Plastic Capacitors "HG" series
> 
> 
> I picked up a bunch of these at a flea market the other day,
> specifically HG 140-103 (0.01uF @ 14kvDC).
> 
> How suitable are these for coiling? I fried a doorknob cap in my coil
> (thanks to cranking the variac up too high), and am thinking of
> replacing the tank with these.
> 
> According to their site (http://www.plasticcapacitors.com/typehg.html),
> they are suitable for RF currents.
> 
> Otherwise if they're not suitable, I'll turn them into a Marx generator :)
> 
> Ben

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