Found 6 alternatives for 4N22A by WEC. Optoisolators Transistor Photovoltaic Output — TO-78-6 Metal Can.
OPTOISO 1KV TRANS W/BASE TO78-6
OPTOISO 1KV TRANS W/BASE TO78-6
OPTOISO 1KV TRANS W/BASE TO78-6
OPTOISO 1KV TRANS W/BASE TO78-6
OPTOISO 1KV TRANS W/BASE TO78-6
OPTOISO 1KV TRANS W/BASE TO78-6