透射光中断, 光晶体管, 表面安装, 3 mm, 0.3 mm, 25 mA, 5 V
光学传感器 穿透光束 0.118"（3mm） 光电晶体管 模块，连接器，槽型
得捷:
SENSOR OPT SLOT PHOTOTRANS MODUL
立创商城:
EE-SX1330
贸泽:
光学开关（透射型，光电晶体管输出） SMT, 3mm Slot Transmissive Photo
艾睿:
Photointerrupter Transmissive 3mm Phototransistor 4-Pin SMD T/R
TME:
Sensor: photoelectric; through-beam with slot; Usup:5VDC; 20mA