RURD4120

Packaging :
Product : Ultra Fast Recovery Rectifiers
Configuration : Single
Forward Continuous Current : 4 A
Mounting Style : Through Hole
Reverse Current IR : 100 ua
Forward Voltage Drop : 2.1 V
Max Surge Current : 40 A
Reverse Voltage : 1200 V
Recovery Time : 90 ns
Package / Case : TO-251


Features:

• Ultrafast with Soft Recovery. . . . . . . . . . . . . . . . . . . <70ns
• Operating Temperature . . . . . . . . . . . . . . . . . . . . . . 175
• Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200V
• Avalanche Energy Rated
• Planar Construction


Application

• Switching Power Supplies
• Power Switching Circuits
• General Purpose


Specifications

Peak Repetitive Reverse Voltage . . . . . . . . . . . . . . . . . . . . . .........V_RRM        1200                  V
Working Peak Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . .. . V_RWM        1200                  V
DC Blocking Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . V_R        1200                  V
Average Rectified Forward Current . . . . . . . . . . . . . . . .. . . . . . . . I_F(AV)            4                    A
     (TC= 152)
Repetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . . . .. I_FRM            8                     A
     (Square Wave, 20kHz)
Nonrepetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . . I_FSM           40                    A
     (Halfwave, 1Phase,60Hz)
Maximum Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P_D            50                   W
Avalanche Energy (See Figures 10 and 11). . . . . . . .. . . . . . . . . . . E_AVL            10                  mJ
Operating and Storage Temperature . . . . . . . . . . .. . . . . . . . . . T_STG,T_J         -65 to 175         

Description

The RURD4120 and RURD4120S are ultrafast diodes with soft recovery characteristics (trr < 70ns). They have low forward voltage drop and are silicon nitride passivated ion-implanted epitaxial planar construction.

These devices RURD4120 are intended for use as freewheeling/ clamping diodes and rectifiers in a variety of switching power supplies and other power switching applications. Their low stored charge and ultrafast soft recovery minimize ringing and electrical noise in many power switching circuits reducing power loss in the switching transistors. Formerly developmental type TA49036.