RURD4120 Fairchild Semiconductor, RURD4120 Datasheet
RURD4120
Manufacturer Part Number
RURD4120
Description
4a, 1200v Ultrafast Diodes
Manufacturer
Fairchild Semiconductor
Datasheet
1.RURD4120.pdf
(5 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
RURD4120
Manufacturer:
HARRIS
Quantity:
5 000
©2002 Fairchild Semiconductor Corporation
4A, 1200V Ultrafast Diodes
The RURD4120 and RURD4120S are ultrafast diodes with
soft recovery characteristics (t
forward voltage drop and are silicon nitride passivated
ion-implanted epitaxial planar construction.
These devices 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.
Ordering Information
NOTE: When ordering, use the entire part number. Add the suffix 9A
to obtain the TO-252 variant in the tape and reel, i.e.,
RURD4120S9A.
Symbol
Absolute Maximum Ratings
Peak Repetitive Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
Working Peak Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
DC Blocking Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
Average Rectified Forward Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I
Repetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I
Nonrepetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I
Maximum Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P
Avalanche Energy (See Figures 10 and 11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E
Operating and Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T
RURD4120
RURD4120S
(T
(Square Wave, 20kHz)
(Halfwave, 1 Phase, 60Hz)
PART NUMBER
C
= 152
o
C)
TO-251
TO-252
PACKAGE
K
A
rr
< 70ns). They have low
T
C
Data Sheet
= 25
UR4120
UR4120
o
C, Unless Otherwise Specified
BRAND
Features
• Ultrafast with Soft Recovery . . . . . . . . . . . . . . . . . . . <70ns
• Operating Temperature . . . . . . . . . . . . . . . . . . . . . . 175
• Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200V
• Avalanche Energy Rated
• Planar Construction
Applications
• Switching Power Supplies
• Power Switching Circuits
• General Purpose
Packaging
STG
F(AV)
RWM
RRM
FRM
FSM
January 2002
AVL
, T
R
D
J
RURD4120, RURD4120S
CATHODE
(FLANGE)
CATHODE
RURD4120, RURD4120S
JEDEC STYLE TO-251
JEDEC STYLE TO-252
ANODE
-65 to 175
1200
1200
1200
40
50
10
4
8
ANODE
CATHODE
(FLANGE)
CATHODE
RURD4120, RURD4120S Rev. B
UNITS
mJ
o
W
V
V
V
A
A
A
C
o
C
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RURD4120 Summary of contents
Page 1
... Data Sheet 4A, 1200V Ultrafast Diodes The RURD4120 and RURD4120S are ultrafast diodes with soft recovery characteristics (t < 70ns). They have low rr forward voltage drop and are silicon nitride passivated ion-implanted epitaxial planar construction. These devices are intended for use as freewheeling/ clamping diodes and rectifiers in a variety of switching power supplies and other power switching applications ...
Page 2
... 100 o 175 100 C 1 0.1 0. 200 400 600 800 V , REVERSE VOLTAGE (V) R FIGURE 2. REVERSE CURRENT vs REVERSE VOLTAGE RURD4120, RURD4120S Rev. B UNITS V V µA µ C/W (See Figure 9). 1000 1200 ...
Page 3
... I , FORWARD CURRENT (A) F FIGURE AND t CURVES vs FORWARD CURRENT SQ. WAVE 125 135 145 155 T , CASE TEMPERATURE ( C FIGURE 6. CURRENT DERATING CURVE 150 200 RURD4120, RURD4120S Rev. B /dt = 200A/µ 165 175 o C) ...
Page 4
... FIGURE 10. AVALANCHE ENERGY TEST CIRCUIT ©2002 Fairchild Semiconductor Corporation DUT CURRENT SENSE + FIGURE 11. AVALANCHE CURRENT AND VOLTAGE FIGURE 9. t WAVEFORMS AND DEFINITIONS rr V AVL WAVEFORMS RURD4120, RURD4120S Rev ...
Page 5
... TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended exhaustive list of all such trademarks. ACEx™ FAST Bottomless™ FASTr™ FRFET™ CoolFET™ GlobalOptoisolator™ CROSSVOLT™ GTO™ DenseTrench™ ...