Osram matched t1frac34 infrared emitter and detector pairs osram q62702 p0955 a t1 34 5mm unfiltered pin photodiode especially suitable for applications from 400nm to 1100nm suitable for use with industrial electronics photo interrupters fibre optic transmission systems and control and drive circuits osram q62702 p0955 sfh203 t1 34 photodiode unfiltered