Re: [TCML] caps

[David Speck <Dave@xxxxxxxxxxxxxxxx>]

Bert,

Thanks for the details on the dielectric fluid.

Another thing to add to the information store!

Dave

On 11/24/2012 11:29 PM, Bert Hickman wrote:
> Dave and Randy,
>
> The 1945 article covers many advantages of Lectronol in high frequency 
> induction heating capacitors, but unfortunately it does not provide 
> any details about WHAT Lectronol actually is. However, I was able to 
> find another paper that does discuss Lectronol. The good news is that 
> Lectronol is NOT one of the many PCB's used in capacitors. Instead, it 
> is a colorless liquid "obtained from dibutyl ether and sebacic acid 
> [C8H16 (COOC4H9)2].
>
> The above nugget was found in a 323pp paper that discusses Lectronol 
> and many other dielectric fluids as well. The paper is "Electric 
> Strength of Liquid Dielectrics" by I Balygin. This is available as a 
> free download at the Defense Technical Information Center (DTIC):
> http://www.dtic.mil/cgi-bin/GetTRDoc?AD=AD0755756
>
> Other than being comparatively large for their voltage and capacitance 
> ratings versus capacitors using more modern technologies, your caps 
> should work fine in TC use. And, because the fluid is essentially THE 
> dielectric, they may also be self-healing to some degree.
>
> Bert

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