Ultrafast recovery diode

The utility model discloses an ultrafast recovery diode, comprising a diode body, the diode body is provided with a support, a wafer, a touch wire and pins, the outer wall of the housing of the diode body is provided with a slot, a locking clamping groove and a filling groove, the inner wall of the housing of the diode body is provided with a drying groove, and a miniature radiating fin is inserted in the slot. The micro cooling fins are provided with heat dissipation holes and soft clamping blocks, the soft clamping blocks are connected with the locking clamping grooves in a clamped mode, a heat conduction silicone grease layer is arranged in the filling groove, and a drying particle layer and a soft separation net are arranged in the drying groove. Heat generated in the diode body when an electric breakdown phenomenon occurs can be rapidly conducted and dissipated, the recovery speed of the diode body is greatly improved, rapid disassembly and assembly of the miniature cooling fins are achieved, and the sit