RHRD440, RHRD460, RHRD440S, RHRD460S
Data Sheet
January 2002
4A, 400V - 600V Hyperfast Diodes
Features
The RHRD440, RHRD460, RHRD440S and RHRD460S are
hyperfast diodes with soft recovery characteristics
• Hyperfast with Soft Recovery. . . . . . . . . . . . . . . . . . <30ns
o
• Operating Temperature . . . . . . . . . . . . . . . . . . . . . .175 C
(t < 30ns). They have half the recovery time of ultrafast
rr
• Reverse Voltage Up to . . . . . . . . . . . . . . . . . . . . . . . .600V
• Avalanche Energy Rated
diodes and are of 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 hyperfast soft recovery minimize ringing
and electrical noise in many power switching circuits,
reducing power loss in the switching transistors.
• Planar Construction
Applications
• Switching Power Supplies
• Power Switching Circuits
• General Purpose
Formerly developmental type TA49055.
Ordering Information
Packaging
JEDEC STYLE TO-251
PART NUMBER
PACKAGE
BRAND
RHR440
RHRD440
TO-251
ANODE
RHRD460
TO-251
TO-252
TO-252
RHR460
RHR440
RHR460
CATHODE
RHRD440S
RHRD460S
CATHODE
(FLANGE)
NOTE: When ordering, use the entire part number. Add the suffix 9A
to obtain the TO-252AA variant in the tape and reel, i.e.,
RHRD460S9A.
JEDEC STYLE TO-252
Symbol
CATHODE
(FLANGE)
K
CATHODE
ANODE
A
o
Absolute Maximum Ratings T = 25 C, Unless Otherwise Specified
C
RHRD440,
RHRD440S
RHRD460,
RHRD460S
UNITS
Peak Repetitive Reverse Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
400
400
400
4
600
600
600
4
V
V
V
A
RRM
RWM
Working Peak Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .V
DC Blocking Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
R
Average Rectified Forward Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I
o
F(AV)
(T = 157 C)
C
Repetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I
(Square Wave, 20kHz)
8
8
A
A
FRM
FSM
Nonrepetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I
(Halfwave, 1 Phase, 60Hz)
40
40
Maximum Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P
50
10
50
10
W
D
Avalanche Energy (See Figures 10 and 11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E
mJ
AVL
o
Operating and Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .T
Maximum Lead Temperature for Soldering
, T
STG
-65 to 175
-65 to 175
C
J
o
(Leads at 0.063 in. (1.6mm) from case for 10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T
300
260
300
260
C
L
o
Package Body for 10s, see Tech Brief 334. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T
C
PKG
©2002 Fairchild Semiconductor Corporation
RHRD440, RHRD460, RHRD440S, RHRD460S Rev. B
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