6N137
OPTOISO 5.3KV 1CH OPN DRAIN 8DIP
OPTOISO 2.5KV 1CH OPEN COLL 8DIP
OPTOISO 5KV 1CH OPEN COLL 8DIP
OPTOISO 3.75KV 1CH OPN COLL 8DIP
OPTOCOUPLER LOGIC-OUT OPEN COLLECTOR DC-IN 1-CH 8-PIN PDIP TUBE