OP500DA,PHOTODARLINGTON NPN CLR 0805 SMD
OP501,PHOTOTRANSISTOR NPN BLK 0805 SMD
OP501DA,PHOTODARLINGTON NPN BLK 0805 SMD
OP505A,PHOTOTRANSISTOR IR 3MM 935NM NPN
OP505A..,
OP505B,PHOTOTRANSISTOR IR 3MM 935NM NPN
OP505C,PHOTOTRANSISTOR SILICON NPN T-1
OP505D,PHOTOTRANSISTOR SILICON NPN T-1