BAT54AW.115 is a part manufactured by Nexperia, which is a small signal diode. It is a small, fast and low VF silicon diode, with a maximum reverse recovery time of 5 nanoseconds and a maximum forward voltage of 0.9 volts. The device is suitable for use in a variety of applications, including automotive, telecom, industrial, and consumer. It features a small size, allowing it to fit into very small assemblies. The device is also RoHS compliant and can be used in a variety of different advanced technologies.