Re: Home-brew Capacitors

fto: Bill

The 500 pF 30 kV doorknobs are usually DC rated and have a poor dielectric
power factor for RF work.  Better to use a pulse duty cap or RF mica
transmitting cap.  If you need some we have a bunch of .004 20 kV RF caps
(4,000 pF).


> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Re: Home-brew Capacitors
> Date: Wednesday, December 16, 1998 12:04 PM
> Original Poster: Bill Fuller <wfuller-at-home-dot-com> 
> Hi all,
> I have some 500pF 30KV "doorknob" caps. Does anyone have experience with
> well this type holds up in TC use? I will be using a 15KV-at-120mA NST
> Should I consider using them in a series/paralell configuration of 16
caps to
> get a .02uF, 60KV rating. At ~$10 a piece I would prefer to use just a
> parallel
> arrangement to keep the cost down.
> Any recommendations from you experts out there??
> Bill Fuller