The S1K-E3/5AT is a standard rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. It is packaged in a DO-214AC (SMA) package and is suitable for surface mount applications. The S1K-E3/5AT has a maximum DC reverse voltage (Vr) of 800V and an average rectified current (Io) of 1A. It has a forward voltage drop (Vf) of 1.1V at 1A and a reverse recovery time (trr) of 1.8μs. This diode has a capacitance of 12pF at 4V and 1MHz. With its standard recovery speed and low leakage current, the S1K-E3/5AT is widely used in rectification and freewheeling applications.