OPB821TX

光学开关（透射型，光电晶体管输出） Slotted Opt Switch with wires

光学传感器 穿透光束 0.080"（2.03mm） 光电晶体管 模块，预接线

得捷:
SENSOR OPT SLOT PHOTOTRANS MODUL

贸泽:
光学开关（透射型，光电晶体管输出） Slotted Opt Switch with wires

艾睿:
Photointerrupter Transmissive 2.16mm Phototransistor 4-Pin

Allied Electronics:
Sensor, Slotted Optical Switch, 2.16mm Slot, 50V Detector, 880nm, with Wires