OP505C,PHOTOTRANSISTOR SILICON NPN T-1
OP505D,PHOTOTRANSISTOR SILICON NPN T-1
OP505D.,
OP505W,PHOTOTRANSMITTER SILICON NPN T-1
OP506A,PHOTOTRANSISTOR 3MM 935NM NPN
OP506B,PHOTOTRANSISTOR 3MM 935NM NPN
OP506C,PHOTOTRANS SILICON NPN SIDE LOOK
OP506D,PHOTOTRANSMITTER SILICON NPN T-1
