The OPB620 is a Slotted Optical Switch with phototransistor and Rbe output. This printed circuit board mounting switch consist of an infrared emitting diode and an NPN silicon phototransistor with an enhanced low current roll-off to improve contrast ratio and immunity to background irradiance. Suitable for non-contact reflective object sensor, assembly line and machine automation, End of travel sensor, machine safety and door sensor.
