Re: Tips on capacitor and toroid design
Actually, DC Cox posted the Kapton info.
> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Re: Tips on capacitor and toroid design
> Date: Wednesday, January 06, 1999 12:29 PM
> Original Poster: Hollmike-at-aol-dot-com
> In a message dated 1/6/99 4:42:19 AM Mountain Standard Time,
> > Capacitor builders should consider Kapton over polyethylene or
> > Kapton has a dielectric constant of 4.2 - 4.2 which allows very small
> > construction. Another great feature of Kapton is it's operating
> > temperature max is nearly equal to Teflon --- over 500 degrees F. for
> > Kapton. A typical design with Kapton dielectric will produce a 1,000
> > capacitor element with an element size of only 2 x 2 x 1 inch.
> > are series-parallel connected to obtain proper value. Kapton is
> > distributed by DuPont Co. -- consult your local library Thomas
> > a rep in your area.
> Good stuff that Kapton. I have some heating pads at work that use it for
> insulation. The only problem might be the cost.