透射光中断, 光晶体管, 表面安装, 2 mm, 0.3 mm, 25 mA, 5 V
光学传感器 穿透光束 0.079"（2mm） 光电晶体管 模块，连接器，槽型
得捷:
SENSOR OPT SLOT PHOTOTRANS MODUL
立创商城:
EE-SX1320
艾睿:
Photointerrupter Transmissive 2mm Phototransistor 4-Pin SMD T/R
安富利:
PHOTOMICROSENSOR SMT
TME:
Sensor: photoelectric; through-beam with slot; Usup:5VDC; 20mA