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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