how about a pic to sense zero crossing that switches a snubberless
triac.They have higher di/dt for surge current & no moving parts , better
reliability
glen

At 03:11 pm Monday 10/12/2001 -0500, you wrote:
>Just be sure to use a zero-cross firing opto, otherwise you will still get
>random spikes on switching.
>
>Chris
> >
> > Ash,
> >
> > Inside of solid state relay is a triac with opto-coupler on input with
> > Ziner diode thru a resister. Triacs are always better.
> > mechanical relay
> > Will generate spike RFI it is bad for sensitive electronics.
> >
> > Andre Abelian
> >
> >
>
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