MOC3032 Resistor size

I

ibwev

Member

• Feb 17, 2013

• #1

Does the 180Ω and 1KΩ resistor size (see pic) need to change if the AC voltage is reduced from 115V to 24 volts? If so, how do I calculate it?

 

MikeMl

Well-Known Member

Most Helpful Member

• Feb 17, 2013

• #2

The 1K stays as it is. Reduce the other by the ratio 24/115.

 

I

ibwev

Member

• Feb 17, 2013

• #3

Thanks for the help and pointing me to the MOC3032 some time ago.