Quick View OPB841W55 Optical Sensor Through-Beam 0.125" (3.18mm) Phototransistor Module, Pre-Wired $8.99 Add to Cart
Quick View EE-SJ8-B Optical Sensor Through-Beam 0.315" (8mm) Phototransistor PCB Mount $10.99 Add to Cart
Quick View EE-SX199 Optical Sensor Through-Beam 0.118" (3mm) Phototransistor PCB Mount, Rohs $1.99 Add to Cart