R: [AMPS] RF Choke Forms

[measures]

>Teflon is electrically very good and relatively easy to work. Although 
>expensive, it's a convenient and professional replacement for ceramic and 
>glass in RF applications involving consistent power (much more than in 
>amateur applications) and very high frequencies. Teflon losses, even when 
>used inside a coil, stay minimal and the material itself withstands high 
>temperatures too.
>Do not use plastic and symilar materials were the losses increase with 
>frequency (i.e. nylon) and be aware of risks when using materials which 
>might burn in their composite structure if something arcs, therefore 
>losing their original insulating property. (i.e. fiberglass)
>
When Teflon burns it sublimates into phosgene gas.  (CoCl2)

cheers, Mauri

-  Rich..., 805.386.3734, www.vcnet.com/measures.  


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