The OP168FB from Optek Technology/TT Electronics is through hole mounting plastic infrared emitting diode with 50mA DC forward current and 1.4V forward voltage. This diode has 0.43mW/cm² radiant intensity (Ie) Min @ 20mA If, 935nm wavelength, 104° viewing angle and top view. The OP168FB comes in radial package and has operating temperature range from -40°C to 100°C (TA).