Re: Capacitors

["Malcolm Watts" <M.J.Watts@massey.ac.nz> (by way of Terry Fritz <twftesla@uswest.net>)]

Hi Steve,

On 5 Jul 00, at 11:55, Steve Rosenthal wrote:

> Would a 0.1 MFD 20,000VDC PYRANOL General Electric capacitor be suitable
for a
> small Tesla Coil. How about a Maxwell 40,000VDC .06uF ? Which would be
> prefered. I think I can get the GE for $50 and the Maxwell for under $100,
> which is the best value? 

I would steer clear of PYRANOL - I'm sure it's a PCB. I have 
used paper/oil dielectric capacitors in the past but the only 
virtue I see in them is self-healing. They seem to be designed 
for DC filtering applications and have a high ESR due to the 
paltry connections to the plates.

Regards,
Malcolm