SFH 4350-AWBW Osram Opto 860Nm IR LED, 3mm (T-1) Through Hole package. Radiant Flux: 70mW. Radiant Intensity: 100 → 320mW/sr. Angle of Half Intensity: ±13 °. Number of Pins: 2. Dimensions: 4 (Dia.) x 5.2mm. Lens Shape: Dome., OSRAM Opto Semiconductors