The FAIRCHILD SEMICONDUCTOR QEE113 Infrared Emitter is a versatile device that can be used for a variety of applications. It is a side-looking emitter with a 50° viewing angle and a maximum forward current of 100 mA. It has a peak wavelength of 880 nm and a pulse width of 800 ns. The QEE113 is capable of emitting both infrared and ultraviolet light, as well as visible light. It has a low voltage of 1.5 V and a fast response time of 800 ns. This makes it ideal for applications such as security systems, medical imaging, and industrial automation. The QEE113 is a reliable and cost-effective solution for any application requiring infrared, ultraviolet, or visible light.