Several different technologies and designs are available among solid-state switches today. The major families are the standard Triacs (triode for alternating current), the snubberless Triacs, and the ...
This design idea explains how a zero-crossing detector circuit can be used to control triacs. Fig 1. This zero-crossing detector circuit generates the control pulses needed to turn on triacs that ...
Promising to simplify solid-state relay, ac-motor control, and lighting ballast designs, the FOD420 and FOD4208 random-phase, snubber-less triac drive optocouplers integrate active dv/dt clamps to ...
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