【OPTEK】OP516D,Phototransistors Photo Transistor
OP520,PHOTOTRANSISTOR NPN OPAQUE 1206
【Dialight】OP-520,LENS 20MM SER OVAL OPTIC 5X20DEG
【Dialight】OP5-20,LENS 20MM SER OVAL OPTIC 5X20DEG
OP520DA,PHOTODARLINGTON NPN BLK 1206 SMD
OP521,PHOTOTRANSISTOR NPN CLEAR 1206
OP521.,
OP521DA,PHOTODARLINGTON NPN CLR 1206 SMD
