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Re: best dielectric?





> Here are a few interesting specs about the dielectric losses for each
> material.
> I am guessing you want to use it for (TESLA) cap construction.
>
> Frequency = 10^6Hz
> --------------------------
> PP:            <5*10^-4
> HDPE:        2*10^-4
> UHMWPE: Sorry, no info
> PC:               1*10^-2
> PS:                0.5-4*10^-4
>
> Coiler greets from germany,
> Reinhard


What are the units or fractions here? Is this Power loss? or energy loss?