5mm; Reverse Leakage Current Max:10µA; Turn Off Time:13ns; Turn On Time:25ns; Viewing Angle:10°; Voltage Vf Typ:1.Knowledge-On Kel5002A-A Infrared Emitter, 940Nm, T-1 3/4 of Pins:2Pins; Operating Temperature Range:-25°C to +85°C; Pitch Spacing:2.4V; Wavelength Typ:940nm.