OPB121A Datasheet - TT

OPB121A OPTICAL SWITCHES

Cathode Anode VCC Output Ground Part Number Sensor Photologic® Aperture Emitter/Sensor OPB120A OPB120B Totem-Pole 0.04" / 0.04" 0.04" / 0.01" OPB121A 0.04" / 0.04" Open-Collector OPB121B 0.04" / 0.01" OPB122A Inverted Totem- 0.04" / 0.04" OPB122B Pole 0.04" / 0.01" OPB123A Inverted Open.

Choice of output configuration Printed circuit board mounting Opaque plastic housing Low profile 0.080” (2.03 mm) wide slot 0.275” (6.99 mm) lead spacing The OPB120 through OPB123 devices consist of an infrared emitting diode and a Photologic® sensor (which is a monolithic integrated circuit that incorporates a linear amplifier and a Schmitt Trigger). The OPB120 series have an LED and Photologic® sensor mounted on opposite sides of a 0.080” (2.03 mm) wide gap.

OPB121A-TT.pdf