5 mm 红外 LED NPN 光电传感器
光学传感器
得捷: SENSOR OPT SLOT NPN MODULE
Allied Electronics: Sensor, Photoelectric, T-TYPE U-SHAPED 5MM, 5-24VDC, NPN, L-D/ON, BUILT-IN CONNECTOR
Verical: PM-T64W
Panasonic 松下