Optical Sensor Through-Beam 0.125" (3.18mm) Transistor Module, Pre-Wired
Optical Sensor Through-Beam 0.210" (5.33mm) Phototransistor PCB Mount
Optical Sensor Through-Beam 0.125" (3.18mm) Phototransistor PCB Mount
Optical Sensor Through-Beam 0.125" (3.18mm) Phototransistor PCB Mount
Optical Sensor
Optical Sensor Through-Beam 0.134" (3.4mm) Phototransistor PCB Mount
Optical Sensor Through-Beam 0.020" (0.5mm) Module, Slotted
Optical Sensor Liquid 0.250" (6.35mm) Phototransistor PCB Mount
Optical Sensor Liquid 0.250" (6.35mm) Phototransistor Module, Pre-Wired