Re: Tips on capacitor and toroid design

• To: tesla-at-pupman-dot-com
• Subject: Re: Tips on capacitor and toroid design
• From: Hollmike-at-aol-dot-com (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Wed, 06 Jan 1999 12:29:39 -0700
• Approved: twf-at-verinet-dot-com

In a message dated 1/6/99 4:42:19 AM Mountain Standard Time, tesla-at-pupman-dot-com
writes:

> 
>  Capacitor builders should consider Kapton over polyethylene or polystyrene.
>   Kapton has a dielectric constant of 4.2 - 4.2 which allows very small unit
>  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 pF HV
>  capacitor element with an element size of only 2 x 2 x 1 inch.  Elements
>  are series-parallel connected to obtain proper value.  Kapton is
>  distributed by DuPont Co. -- consult your local library Thomas Register for
>  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.

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