SFH 4645-UV Osram Opto MIDLED 950Nm IR LED, Side View SMD package. Radiant Flux: 55mW. Radiant Intensity: 40 → 125mW/sr. Mounting Type: Surface Mount. Angle of Half Intensity: ±15 °. Number of LEDs: 1. Number of Pins: 2. Dimensions: 3.3 x 2.35 x 1.7mm. Lens Shape: Round., OSRAM Opto Semiconductors