RURD4120S

Packaging :
Product : Ultra Fast Recovery Rectifiers
Mounting Style : SMD/SMT
Configuration : Single
Forward Continuous Current : 4 A
Reverse Current IR : 100 ua
Forward Voltage Drop : 2.1 V
Max Surge Current : 40 A
Reverse Voltage : 1200 V
Package / Case : TO-252
Recovery Time : 90 ns


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

	RURD4120, RURD4120S	UNITS
Peak Repetitive Reverse Voltage. . . . . . . VRRM	1200	V
Working Peak Reverse Voltage . . . . . . . . VRWM	1200	V
DC Blocking Voltage . . . . . . . . . . . . . .VR	1200	V
Average Recti?ed Forward Current . . . . . .IF(AV) (TC= 152)	4	A
Repetitive Peak Surge Current . . . . . . . .IFRM (Square Wave, 20kHz)	8	A
Nonrepetitive Peak Surge Current . . . . . . .IFSM (Halfwave, 1 phase, 60Hz)	40	A
Maximum Power Dissipation . . . . . . . . . . . PD	50	W
Avalanche Energy (See Figures 10 and 11) . . .EAVL	10	mJ
Operating and Storage Temperature . . . . TSTG, TJ	-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 RURD4120S 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.