SFH 9202 Reflective Interrupter is a photoelectric switch launched by Osram. It has a working distance of 1 mm to 5 mm, IR-GaAs emitter in combination with a Silicon NPN phototransistor, daylight cut-off filter, low saturation voltage, electrically isolated emitter and detector, IR Reflow Soldering, and JEDEC Level 4 Preconditioning.