tekbird
Newbie level 3
I am a newbie to power electronics but can understand the basics. My very specific question is, whether a snubber circuit is needed for a triac that is driven by an optocoupler that is based on zero-crossing, like MOC3043?
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I think it depends on the application. If you've got an inductive load, where current and voltage are 90 degrees out of phase, you might still need a snubber.
nature of load and size of triac ...