The 1N5399G is a general purpose silicon rectifier diode made by the manufacturing company Pingwei. It has a DO-15 RoHS package and is RoHS compliant. The 1N5399G has a forward voltage drop of 1.2V and a peak reverse voltage of 400V. It has a 200mA maximum forward current and a 20A pulse surge current. This diode is for use in general purpose rectifier and switching applications. It is suitable for use in high temperature, high frequency, and high voltage circuits. The 1N5399G is designed for use in a wide range of electrical systems, including automotive, computing, lighting, telecommunications, and consumer electronics.