Re: [TCML] Help with choosing a suitable capacitor

[Bayley Wang <wang9xb17@xxxxxxxxx>]

(2) and (3) are unsuitable; both ceramics and polystyrene have high losses
at TC frequencies.
The link for (1) is broken.
The standard MMC cap is the CDE942; a bit expensive, but they work amazingly
well.
On Fri, Apr 15, 2011 at 7:10 PM, James Hutton
<b-u-r-t-o-n-boy@xxxxxxxxxxx>wrote:

>
> hello, I am trying to find the right capacitor for my NST. I have these
> three that i have found, but which one will be the most efficient and long
> lasting?
> NST: 15kv 60ma 60hz   capacitance needed: 0.0106 uf
>
> 1. http://www.alliedelec.com/search/productdetail.aspx?SKU=8621300
> (3,000vdc @ 0.1 uf)   ---i will buy 10 and put them in series making
> 30,000v @ 0.01uf
>
> 2.
> http://otelectronics.com/30kv-3000pf-high-voltage-polystyrene-capacitor-ham-audio
>        3 of these in parallel to make 30kv @ 0.009uf
> 3.
> http://otelectronics.com/15kv-2200pf-high-voltage-ceramic-disc-capacitor-y5u
>      18 of these in two parallel strings of 9 in series making 30kv @
> 0.0099 uf
>
> thanks
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