The SFH618A-5 is an infrared emitter diode, manufactured by Vishay. It is an efficient, versatile, and reliable solution for optical communication, remote sensing, and switching applications. The SFH618A-5 is a reverse-mountable, single-chip 140° phototransistor, providing a wavelength range of 890-940 nm. It features a high-peak radiant intensity output of 4450 mW/sr, which makes it suitable for long-distance transmission applications. Additionally, it has a low forward voltage drop of 1.2V and low capacitance of 2pF, providing a fast switching speed for high-speed operations. Moreover, it has an enhanced ESD protection of up to 4kV. This makes it highly reliable and robust, providing protection from anomalies and faults. The SFH618A-5 can operate at temperatures of -40°C to +105°C and is available in various packages such as Super 6-Pin TO-18 and 5-Pin TO-39.