光学开关（透射型，光电IC输出） Photo Microsensor
光学传感器 穿透光束 0.197"（5mm） 模块，连接器
得捷:
SENSOR OPTICAL 5MM MODULE W/CONN
贸泽:
光学开关（透射型，光电IC输出） Photo Microsensor
Chip1Stop:
Photointerrupter Transmissive 5mm Photologic, Open Collector 3-Pin
Newark:
# OMRON ELECTRONIC COMPONENTS EE-SX4239-P2 Transmissive Photo Interrupter, Photo / Optical IC, Panel / Chassis, 5 mm, 0.5 mm
Electro Sonic:
Photointerrupter Transmissive 5mm Photologic, Open Collector 3-Pin