光学开关（透射型，光电晶体管输出） PHOTO MICROSENSOR
Optical Sensor Through-Beam 0.134" 3.4mm Phototransistor PCB Mount
得捷:
SENSOR OPT SLOT PHOTOTRAN PCB MT
贸泽:
光学开关（透射型，光电晶体管输出） PHOTO MICROSENSOR
艾睿:
Photointerrupter Transmissive 3.4mm Phototransistor 4-Pin
Chip1Stop:
Photointerrupter Transmissive 3.4mm Phototransistor 4-Pin
Newark:
# OMRON ELECTRONIC COMPONENTS EE-SV3-C Transmissive Photo Interrupter, Phototransistor, Panel / Chassis, 3.4 mm, 1 mm, 50 mA, 4 V
Electro Sonic:
Photointerrupter Transmissive 3.4mm Phototransistor 4-Pin