Osram matched t1frac34 infrared emitter and detector pairs osram sfh485p the sfh485p is a 5mm ir emitter at 880nm with high efficiency and reliability and is spectrally matched with silicon photodetectors applications include ir remote control of hi fi and tv sets video tape recorders dimmers remote control for steady and varying intensity sensor technology discrete interrupters osram sfh485p 5mm ir emitter 880nm