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Re: PlasmaSonic II SSTC Board SALE $25.00 EACH or $45.00 for TWO
Original poster: "Jim Mitchell" <electrontube-at-sbcglobal-dot-net>
Yes its Hv guy's design, but I'm the one having the boards made.
Regards - Jim Mitchell
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, April 01, 2004 10:29 AM
Subject: Re: PlasmaSonic II SSTC Board SALE $25.00 EACH or $45.00 for TWO
> Original poster: "Dan" <pbursa-at-cfl.rr-dot-com>
>
> Didn't you say that was HVguy's design ?
> Regards - Vladan
>
> ----- Original Message -----
> From: "Tesla list" <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Sent: Wednesday, March 31, 2004 11:15 PM
> Subject: Re: PlasmaSonic II SSTC Board SALE $25.00 EACH or $45.00 for TWO
>
>
> > Original poster: "Jim Mitchell" <electrontube-at-sbcglobal-dot-net>
> >
> > Hehe, With my self resonant system, my IGBTs barely get warm after a
1
> > minute run!
> >
> > Regards - Jim Mitchell
> > ----- Original Message -----
> > From: "Tesla list" <tesla-at-pupman-dot-com>
> > To: <tesla-at-pupman-dot-com>
> > Sent: Wednesday, March 31, 2004 7:34 PM
> > Subject: Re: PlasmaSonic II SSTC Board SALE $25.00 EACH or $45.00 for
TWO
> >
> >
> > > Original poster: Finn Hammer <f-h-at-c.dk>
> > >
> > > Jim,
> > >
> > > Nope. The plasmasonic is top notch, AFAIK.
> > >
> > > The reason they popped is farmore embarrassing. The first many fryed
> due
> > to
> > > deliberate hot tuning, and subsequent hot swiching, forgetting to
mount
> > > heat sinks , in general all sorts of overpowering situations.
> > >
> > > And the majority of the breakdowns happened in this bridge:
> > > http://home5.inet.tele.dk/f-hammer/Resize-of-sstc1.jpg
> > >
> > >
> > >
> > > Cheers, Finn Hammer
> > >
> > > Tesla list wrote:
> > > >Original poster: "Jim Mitchell" <electrontube-at-sbcglobal-dot-net>
> > > >Were the IRFP460's frying because you were running them with the
> plasma
> > > >sonic?
> > > >Regards - Jim Mitchell
> > > >----- Original Message -----
> > > >From: "Tesla list" <tesla-at-pupman-dot-com>
> > > >To: <tesla-at-pupman-dot-com>
> > > >Sent: Tuesday, March 30, 2004 7:12 PM
> > > >Subject: Re: PlasmaSonic II SSTC Board SALE $25.00 EACH or $45.00
for
> TWO
> > > >
> > > > > Original poster: Finn Hammer <f-h-at-c.dk>
> > > > >
> > > > > All,
> > > > >
> > > > > I`m from Denmark, it is Kurt who is Swiss.
> > > > >
> > > > > About FET`s, as always the best prices are found on E-Bay, I
got
> some
> > > >quite
> > > > > increadible deals there, which allowed me to fry 50 IRF460
before
> I
> > got a
> > > > > full bridge to run reliably. But that source has dried out, it
> would
> > > >appear.
> > > > > Another possibility is:
> > > > > http://www.dalbani.co.uk/index.php
> > > > > He sells the 460`s for 2.70 UKP not sure if he`s got the
IXYS`s.
> > > > > Certainly, both Farnell and RS-Components are prohibitively
> > expensive,
> > > > > asking an outrageus 15 quid apiece.
> > > > >
> > > > > Cheers, Finn Hammer
> > > > >
> > > > > Tesla list wrote:
> > > > > >Original poster: "Mccauley, Daniel H"
> <daniel.h.mccauley-at-lmco-dot-com>
> > > > > >I believe Finn Hammer (switzerland i think) found a second
source
> > for an
> > > > > >alternative FET (same package) for
> > > > > >a reasonable price over there in Europe.
> > > > > >Dan
> > > > > >
> > > > > > >Secondly, I'm not sure where you got the $80.00 from, but
that
> > figure
> > > > > >is >clearly incorrect. You can purchase IXFN44N50 MOSFETs
from
> > > > > > >Future Active Electronics for $18.50 each. Its not much
more
> > > >expensive
> > > > > >than >something like the IRF460
> > > > > >I think those MOSFET bricks are a lot more expensive outside
of
> the
> > US.
> > > > > >I've not seen them below about $80 equivalent here in Blighty.
> > Whereas
> > > > > >IRFP460s are $5 each, or $40 for a tube of 25 if you know the
> right
> > > > > >people ;) So I prefer to buy the IRFP460s and treat them as
> cannon
> > > > > >fodder 8-o
> > > > > >Steve C.
> > > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > >
> > >
> > >
> > >
> >
> >
>
>