Description:
OPB711 consists of an infrared emitting diode and an NPN silicon phototransistor, mounted “side-by-side” on parallel axes in a black opaque plastic housing. The OPB712 consists of an infrared emitting diode and an NPN silicon photodarlington, mounted “side-by-side” on parallel axes in a black plastic housing.
OPB711’s, emitting diode and phototransistor are encapsulated in a filtering epoxy to reduce ambient light noise. Its phototransistor responds to radiation from the emitter only when a reflective object passes within its field of view.
OPB712’s emitting diode and photodarlington are encapsulated in a filtering epoxy to reduce ambient light noise. Its photodarlington responds to radiation from the emitter only when a reflective object passes within its field of view.

Features:
● Choice of phototransistor or photodarlington output
● Unfocused for sensing diffuse surface
● Low-cost plastic housing
● Choice of filter or unfiltered

Applications:
● Non-contact reflective object sensor
● Assembly line automation
● Machine automation
● Machine safety
● End of travel sensor
● Door sensor