光遮断器 Photo Interrupters
Optical Sensor Through-Beam 0.197" 5mm Phototransistor PCB Mount
得捷: SENSOR OPT SLOT PHOTOTRAN PCB MT
Chip1Stop: Photointerrupter Transmissive 5mm Phototransistor 4-Pin PISTR104-010
Panasonic 松下
KOA Speer