The IR42-21C/TR8 with Infrared (IR) Emitter 940nm 1.2V 65mA 1mW/sr @ 20mA 30° 2-SMD, No Lead manufactured by Everlight is an infrared emitter operated at 940 nanometer infrared wavelength, allowing it to be used in various applications requiring infrared sensing or communication. The device requires a voltage of 1.2V in order to operate, and has a typical current draw of 65mA. It is capable of emitting up to 1mW/sr when operated at 20mA, at a half angle of 30°. The device has a 2-SMD, No Lead package, meaning it is intended for surface mounting, and has no leads present.