Re: NST Filter Question

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>

Hi Ry

I checked Digikey for the caps.  I looked at the "Search for associated
products
that other customers often order in conjunction with this item" and they are
typically sold with 1800 volt MOVs and 1K 100 watts resistors!  I guess there
are a "lot" of people making NST filters :-))

One could use the 3.9nF P10502-ND or 2.7nF P10500-ND too.  They have plenty of
them.  I guess we were too hard on their stock of 3.3nF ;-))

Cheers,

        Terry



Hi Ry,

180pF is on the low side, but it should still work fine.  Nothing is critical
at all as long as the values are "sort of" close.  Interesting DK is out of
those caps...  They are sposta keep that stuff handy.

Cheers,

        Terry


At 10:49 AM 11/26/2001 -0600, you wrote:
>Hi Terry,
>I am gathering parts to build the filter of your design.
>Digikey wont have your specified caps for a long while, I found two
>doorknob caps on ebay rated at 40kv and 180pf
>this looks to me to be very close to the capacitance you specify.  Do you
>see any problems with it?
>Thanks,
>Peace,
>Ry
>
>Am trying to get my coil up to three nst's by Dec. 15th for an art
>exhibit in Austin, TX.
>Have lost another tranny at Halloween.
>I have two tranny's unpotted and submerged in soybean oil and one
>unpotted one that are still good.
>Dont feel like unpotting the third one.