Re: MOV's

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Paul B. Brodie" <pbbrodie@xxxxxxxxxxxxx>

Jason,
Thanks for the response. I am using a STW18NB40 rated for 400V and 18.4A. 
It is probably overkill but it's in my inventory, so what the heck!
Paul
Think Positive

----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Wednesday, May 04, 2005 11:32 PM
Subject: RE: MOV's

> Original poster: "Jason Judd" <JJudd@xxxxxxxxxxxxxxxx>
>
> Hi Paul,
>
> I'd try the TVS, they don't have a finite life like MOVs. If it is doing
> much clamping though you may find that its max power dissipation is
> exceeded.
>
> What is the voltage rating of your FET ? This would have bearing on the
> TVS voltage rating I would choose.
>
> Jason.
>
> > -----Original Message-----
> > From: Tesla list [mailto:tesla@xxxxxxxxxx]
> > Sent: Thursday, 5 May 2005 3:16 AM
> > To: tesla@xxxxxxxxxx
> > Subject: Re: MOV's
> >
> > Original poster: "Paul B. Brodie" <pbbrodie@xxxxxxxxxxxxx>
> >
> > Well, no one has answered the question. Can I use a TVS
> > instead of a MOV across the Mosfet driving my ignition coil?
> > The MOV called for is rated 130 to 150V and the TVS I have is
> > rated 135 to 150V clamping voltage. What thinkest thou?? :-)
> >
> > Paul
> > Think Positive
> >
> > ----- Original Message -----
> > From: "Tesla list" <<mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx>
> > To: <<mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx>
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