Power fast recovery diode, which is abbreviated to FRD, is one of the key devices in modern power electronic technology. In the power electronic circuits, FRD is usually parallel connected with three-end power devices as their freewheeling diode.

• 高压功率快恢复二极管(以下简称FRD)广泛地应用于电力电子电路中,作为续流二极管与三端功率器件并联使用,是现代电力电子技术中的关键器件。