The SD103CWS-HG3-18 is a Schottky diode from the Vishay General Semiconductor - Diodes Division. It has a fast recovery speed of <500ns and >200mA (Io) and a voltage DC reverse (Vr) of 20V. The current average rectified (Io) is 350mA (DC) and the voltage forward (Vf) (Max) @ If is 600mV @ 200mA. The reverse recovery time (trr) is 10ns and the current reverse leakage @ Vr is 5μA @ 10V. The operating temperature - junction is 125°C (Max). The package / case is SC-76, SOD-323 and the supplier device package is SOD-323.