The SFH6186-4T is a fast infrared emitter manufactured by Vishay Semiconductors. It features a peak wavelength of 890nm, a power output of 300mW/sr, and a narrow 3-degree viewing angle. It has a low forward voltage of 1.5V, a high radiant intensity of 50mW/sr, and a 200mA continuous forward current rating. The SFH6186-4T is housed in a 4-Pin 1520 package and has a guaranteed PN junction temperature of 150°C. It is suitable for applications such as consumer remote control, medical instrumentation, gaming consoles, and automotive systems.