Re: [TCML] first attempt at sstc

[Aron Koscho <kc5uto@xxxxxxxxx>]

Hi Russ,

Your secondary is way off, and those MOSFETs would likely last longer if
they where a little higher voltage and where not in a plastic package. You
need to do some more research, but here it is quickly: Secondary should had
a minimum 1:3 D/H ratio and a max of 1:5, you MOSFETS should be rated at
least 2X the DC bus voltage, and your seoncary frequncy should be as low as
possible, 300KHz max IMO. Just find a desgin you like and copy it. Getting
something built is the real learning experience...

Check out www.4hv.org is you haven't already.

Aron

On Sun, Jul 19, 2009 at 11:38 AM, russell dischar <
hightechredneck2005@xxxxxxxxx> wrote:

>
> Hi everyone,
>
> I am attempting to build a half bridge sstc. I plan on running it off full
> wave rectified 120v mains. My secondary is about 9" of 26 awg wire wound on
> a 4.5 o.d. pipe. I have a couple of 1 uf 400v sprague caps. Will these be
> ok. I am looking on ebay for some mosfets. I found some i think might be ok,
> they are FDAF59N30
> http://www.fairchildsemi.com/ds/FD%2FFDAF59N30.pdf
>
> I am also planing on using steveh's feedback driver from his mini sstc.
>
> Thanks in advance
>
> russ
>
>
>
>
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