PRELIMINARY
SOLID STATE DEVICES, INC.
14005 Stage Road * Santa Fe Springs, Ca 90670
Phone: (562) 404-4474 * Fax: (562) 404-1773
SDR953/3
thru
SDR955/3
50 AMPS
300 - 500 VOLTS
35 nsec
HYPER FAST RECTIFIER
TO-3
Designer's Data Sheet
FEATURES:
•
•
•
•
•
•
•
Hyper Fast Recovery: 35 nsec Maximum
High Surge Rating
Low Reverse Leakage Current
Low Junction Capacitance
Hermetically Sealed Package
Gold Eutectic Die Attach Available
Ultrasonic Aluminum Wire Bonds
1.30
• TX and TXV Level Screening Available
Maximum Ratings
Peak Repetitive Reverse and
DC Blocking Voltage
SDR953/3
SDR954/3
SDR955/3
SYMBOL
V
RRM
V
RWM
V
R
VALUE
300
400
500
UNITS
Volts
Average Rectified Forward Current
(Resistive load, 60Hz, Sine Wave, T
A
= 25
o
C)
Peak Surge Current
(8.3 ms Pulse, Half Sine Wave, T
A
= 25
o
C)
Operating and Storage Temperature
Maximum Thermal Resistance
Junction to Case
Io
I
FSM
T
OP
& Tstg
R
2JC
50
800
-65 TO +200
1.0
Amps
Amps
o
C
o
C/W
NOTE:
All specifications are subject to change without notification.
SCD's for these devices should be reviewed by SSDI prior to release.
DATA SHEET # : RH0135B
SDR953/3
thru
SDR955/3
Electrical Characteristics
Instantaneous Forward Voltage Drop
( T
A
= 25
o
C, 300
:sec
Pulse)
Instantaneous Forward Voltage Drop
( I
F
= 25A, 300
:sec
Pulse)
Reverse Leakage Current
(V
R
= 80% Rated, 300:s pulse minimum )
Breakdown Voltage
(I
R
= 1mA, T
A
= 25
o
C)
Junction Capacitance
(V
R
= 10 Vdc, T
A
= 25
o
C, f = 1MHz)
Reverse Recovery Time
(I
F
= 500mA, I
R
= 1.0A, I
RR
= 250mA, T
A
= 25
o
C)
CASE OUTLINE: TO-3
CASE: CATHODE
PIN 1: ANODE
PIN 2: ANODE
PRELIMINARY
SOLID STATE DEVICES, INC.
14005 Stage Road * Santa Fe Springs, Ca 90670
Phone: (562) 404-4474 * Fax: (562) 404-1773
SYMBOL
I
F
= 25A
I
F
= 50A
T
A
= 100
o
C
T
A
= -55
o
C
T
A
= 25
o
C
T
A
= 100
o
C
SDR953/3
SDR954/3
SDR955/3
V
F1
V
F2
V
F3
V
F4
I
R1
I
R2
B
VR
C
J
t
RR
MIN
-
-
-
-
-
-
300
400
500
-
-
MAX
1.20
1.45
1.10
1.30
100
10
-
-
-
250
35
UNITS
Vdc
Vdc
:A
mA
Vdc
pF
nsec
TYPICAL OPERATING CURVES
PERCENT OF MAXIMUM FORWARD
CURRENT RATING (%)
100
80
60
40
20
0
0
25
50
75
125
o
C
FORWARD CURRENT (Amps)
T
A
= 25
o
C Unless otherwise specified
100
10
1
0.1
100 125 150 175 200
0.01
0.3
0.5
0.7
0.9
1.1
1.3
CASE TEMPERATURE (
o
C)
FORWARD VOLTAGE
(Volts)
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