Optical Sensor Through-Beam 0.125" (3.18mm) Phototransistor Module, Pre-Wired
Optical Sensor Optical Flag Transistor, Base-Emitter Resistor PCB Mount
Optical Sensor Through-Beam 0.125" (3.18mm) Phototransistor Module, Pre-Wired
Optical Sensor Through-Beam 0.125" (3.18mm) Phototransistor PCB Mount
Optical Sensor Through-Beam 0.125" (3.18mm) Phototransistor Module, Pre-Wired
Optical Sensor Through-Beam 0.125" (3.18mm) Phototransistor PCB Mount
Optical Sensor Through-Beam 0.125" (3.18mm) Phototransistor PCB Mount