Re: Dielectric strength vs. thickness ?

• To: tesla-at-pupman-dot-com
• Subject: Re: Dielectric strength vs. thickness ?
• From: "L. Robertson" <LWRobertson-at-email.msn-dot-com> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Fri, 16 Oct 1998 18:30:15 -0600
• Approved: terryf-at-verinet-dot-com

Hi ...

Making the dielectric 4 times thinner will approx. double
the dielectric strength.

Which is to say Strength varies as SQRT( 1 / thickness) , I guess.

I noticed this as I was researching plastics for my own rolled cap.

LR


>My question is:
>I know that dielectric strength (kV/mm) GROWS with decreasing thickness. I
got
>0.5mm thick PS: how much I should derate its dielectric strength from the
>40 kV/mm measured with a 0.2mm thick sheet?
>

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