The RURD660S9A_F085 is an ultrafast diode with soft recovery characteristics (trr< 83ns). It has a low forward voltage drop and is of silicon nitride passivated ionimplanted epitaxial planar construction. This device is intended for use as a freewheeling/clamping diode and rectifier in a variety of switching power supplies and other power switching applications. Its low stored charge and ultrafast soft recovery minimize ringing and electrical noise in many power switching circuits, thus reducing powerloss in the switching transistors.