Re: Dielectric Constants and Breakdown Voltages (fwd)

• To: "'Tesla List'" <tesla-at-poodle.pupman-dot-com>
• Subject: Re: Dielectric Constants and Breakdown Voltages (fwd)
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Thu, 13 Nov 1997 09:35:07 -0600
• Approved: tesla-at-stic-dot-net

From:	Malcolm Watts [SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent:	Wednesday, November 12, 1997 3:04 PM
To:	Tesla List
Subject:	Re: Dielectric Constants and Breakdown Voltages (fwd)

Hi Sandy,

> From:   DamDeName-at-aol-dot-com [SMTP:DamDeName-at-aol-dot-com]
> Sent:   Wednesday, November 12, 1997 6:47 AM
> To: tesla-at-pupman-dot-com
> Subject:    Re: Dielectric Constants and Breakdown Voltages (fwd)
> 
> 
> Hello all,
>    With regard to the puncture voltage an dielectric 
> constant of mylar -- 7500 v ? (not 750 v ? )
> 
>    In either respect --- I recall some comment 
> that mylar was not good for caps for T.C. service --
> if  this is so (meaning my memory is not failing me) :>)
> howcome ??? --- It seems worthwhile esp.if the 7500
> V/mil is accurate ---
> 
> regards,
>                  Sandy

I have heard from those who have used Maxwell mylar caps that they 
work OK (have the extended foil geometry) but get hot in Tesla service
= lower Qp since they are losing a lot of power. However, one person 
I know has thrashed his without a failure.

Malcolm 

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