The Vishay optocoupler consists of a GaAs IRLED optically coupled to a photosensitive zero crossing TRIAC packaged in a board space saving DIP-4 package. This device isolates low-voltage logic from 120 VAC, 240 VAC, and 380 VAC lines to control resistive, inductive or capacitive loads including motors, solenoids, high current thyristors or TRIAC and relays.

Space saving package
High input sensitivity
Zero voltage crossing detector