Quick View OPB841W55 Optical Sensor Through-Beam 0.125" (3.18mm) Phototransistor Module, Pre-Wired $8.99 Add to Cart
Quick View OPB831W55Z Optical Sensor Through-Beam 0.125" (3.18mm) Phototransistor Module, Pre-Wired $5.99 Add to Cart
Quick View EE-SX911-R 1M Optical Sensor Through-Beam 0.197" (5mm) NPN - Open Collector Module, Wire Leads, Slot Type $17.99 Add to Cart