SFH 4244-QR Osram Opto SIDELED 950Nm IR LED, Side View SMD package. Radiant Flux: 35mW. Radiant Intensity: 6.3 → 20mW/sr. Mounting Type: Surface Mount. Angle of Half Intensity: ±60 °. Number of LEDs: 1. Dimensions: 4.2 x 3.8 x 2.85mm. Lens Shape: Round., OSRAM Opto Semiconductors