HOA1874 - Transmissive Sensor
The HOA1874 series consists of an infrared emitting diode facing an NPN silicon phototransistor (HOA1874- 001, - 002, - 011, - 012) or photodarlington (HOA1874- 003, - 013) encased in a black thermoplastic housing.
Detector switching takes place whenever an opaque object passes through the slot betw
