re: solid state relays

[raf40@oes.amdahl.com (Richard Funnell)]

>Look in the Teledyne solid state relay catalog for varieties.  You'll
>find FETs, Triacs, SCRs, and Bipolar transistors in the output.  One
>squib fire solid state relay has a mechanical relay in it to assure zero volts
>across the output.  Most all are optically coupled to isolate the
>control from the output which is the main function of a relay.  Some
>are available with status out indicating current flow(lights are on)
>and some have a built in circuit breaker.

There has been a lot of support on the list for SS relays.  What sort of
heat ratings have they got?  In general I'm leery of installing SS relays
in the engine compartment for the lights, since an urQ gets very hot.

If they are rated high enough, where can I get them?

Richard Funnell,
San Jose, California
'83 urQ
'87 560 SL