TCST1103 Vishay transmissive sensors
Optical Sensor Through-Beam 0.122" (3.1mm) Phototransistor Slotted Module, 4-Lead Dual Row
Brand : Vishay
DATASHEET
TCST2103 Vishay transmissive sensors
Optical Sensor Through-Beam 3.1mm Phototransistor Slotted Module, 4-Lead Dual Row
Brand : Vishay
DATASHEET