> Hi All,
>
> I want to use a Triac Output optoisolator like the MOC 3023 to turn on/off
> 110V ac supply to a load. Do I just apply a dc voltage to the input diode
> to
> turn on the output triac (so that ac current will flow through the load)
> and
> apply a 0V to the diode to turn the triac off (no current flows through
> load)?
>
> Thanks in advance!
>
> John


Pretty much, yes. You have to current limit the current through the LED.
Look at the data sheet. I think the 3023 works with 5mA through the LED.
The triac in the 3023 is a low power device designed to trigger an
external triac. Again, the data sheet should give you a typical circuit.

Harold

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