Optical Sensor Through-Beam 0.205" (5.2mm) Phototransistor Module, Slotted
Optical Sensor Through-Beam 0.205" (5.2mm) Phototransistor Module, Slotted
Optical Sensor Through-Beam 0.197" (5mm) Phototransistor 4-SMD Module
Optical Sensor Through-Beam 0.205" (5.2mm) Phototransistor Module, Slotted
Optical Sensor Transmissive 0.197" (5mm) Phototransistor 4-SMD Module