On Sat, Feb 15, 2003 at 02:53:55PM -0800, Bob Paddock enlightened us thusly
> On Thursday 13 February 2003 09:14 am, Robert Ritchey wrote:
> > Hi Matthias,
> > OK, I got the data sheet. Its still not clear to me if the zener goes
> > between the gate and the 5V input or the gate and ground? Even
> > with the data sheet I don't quite understand how a Triac works.
>
> A Triac is two inverse parallel SCR's on the same die, with a a shared gate lead.
>
> >From experiance I swore that I would never design in a triac again. They are to
>prone
> to false firing (dV/dt type issues). My application was a phase control on a noise
>line. You should not have
> that problem with your protection circuit, I hope.
Me too! I also swore never to design one in again. I used them for a.c.
level detection in a boiler.
--
With best Regards,
Declan Moriarty.
--
Author: Declan. Moriarty
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