光学开关（透射型，光电晶体管输出） 1.25in SLOT IR
Optical Sensor Through-Beam 1.260" 32mm Phototransistor Module, Pre-Wired
得捷:
SENSOR OPT SLOT PHOTOTRANS MODUL
贸泽:
光学开关（透射型，光电晶体管输出） 1.25in SLOT IR
艾睿:
Photointerrupter Transmissive 1.25mm Phototransistor 4-Pin
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