Bulletin I2076 rev. A 09/94
SD453N/R SERIES
FAST RECOVERY DIODES
Stud Version
Features
High power FAST recovery diode series
2.0 to 3.0 µs recovery time
High voltage ratings up to 2500V
High current capability
Optimized turn on and turn off characteristics
Low forward recovery
Fast and soft reverse recovery
Compression bonded encapsulation
Stud version case style B-8
Maximum junction temperature 150°C
400A
450A
Typical Applications
Snubber diode for GTO
High voltage free-wheeling diode
Fast recovery rectifier applications
Major Ratings and Characteristics
Parameters
I
F(AV)
@ T
C
I
F(RMS)
I
FSM
@ 50Hz
@ 60Hz
V
RRM
range
t
rr
@ T
J
T
J
SD453N/R
S20
400
70
630
9300
9730
Units
A
°C
A
A
A
V
µs
°C
°C
S30
450
70
710
9600
10050
1200 to 2500 1200 to 2500
2.0
25
- 40 to 150
3.0
25
case style
B-8
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SD453N/R Series
Bulletin I2076 rev. A 09/94
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage
Type number
Code
12
SD453N/R
16
20
25
V
RRM
, maximum repetitive
peak reverse voltage
V
1200
1600
2000
2500
V
RSM
, maximum non-
repetitive peak rev. voltage
V
1300
1700
2100
2600
I
RRM
max.
@ T
J
= T
J
max.
mA
50
Forward Conduction
Parameter
I
F(AV)
Max. average forward current
@ case temperature
I
F(RMS)
Max. RMS forward current
@ case temperature
I
FSM
Max. peak, one-cycle forward,
non-repetitive surge current
SD453N/R
S20
S30
400
70
630
55
9300
9730
7820
8190
450
70
710
52
9600
10050
8070
8450
460
420
326
297
4600
0.95
Units Conditions
A
°C
A
°C
t = 10ms
A
t = 8.3ms
t = 10ms
t = 8.3ms
t = 10ms
KA
2
s
t = 8.3ms
t = 10ms
t = 8.3ms
KA
2
√s
No voltage
reapplied
100% V
RRM
reapplied
No voltage
reapplied
100% V
RRM
reapplied
Sinusoidal half wave,
Initial T
J
= T
J
max.
180° conduction, half sine wave
I t
2
Maximum I t for fusing
2
432
395
306
279
I
2
√t
Maximum I
2
√t
for fusing
4320
1.00
t = 0.1 to 10ms, no voltage reapplied
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
V
F(TO)1
Low level value of threshold
voltage
V
F(TO)2
High level value of threshold
voltage
r
f
1
V
1.09
1.04
(I >
π
x I
F(AV)
),T
J
= T
J
max.
Low level value of forward
slope resistance
0.80
0.60
mΩ
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
(I >
π
x I
F(AV)
),T
J
= T
J
max.
r
f
2
High level value of forward
0.74
slope resistance
Max. forward voltage drop
2.20
0.54
1.85
V
V
FM
I
pk
= 1500A, T
J
= T
J
max, t
p
= 10ms sinusoidal wave
Recovery Characteristics
Code
T
J
= 25
o
C
typical t
(µs)
rr
Test conditions
I
pk
Max. values @ T
J
= 150 °C
V
r
di/dt
(A/µs)
50
50
t
rr
Q
rr
I
rr
@ 25% I
RRM
Square Pulse
(A)
1000
1000
(V)
- 50
- 50
@ 25% I
RRM
(µs)
3.5
5.0
(µC)
250
380
(A)
120
150
S20
S30
2.0
3.0
2
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SD453N/R Series
Bulletin I2076 rev. A 09/94
Thermal and Mechanical Specifications
Parameter
T
J
T
stg
R
thJC
R
thCS
T
wt
Max. junction operating temperature range
Max. storage temperature range
Max. thermal resistance, junction to case
Max. thermal resistance, case
to heatsink
Mounting torque, ± 10%
Approximate weight
Case style
SD453N/R
S20
S30
-40 to 150
-40 to 150
0.1
0.04
50
454
B-8
Units
°C
Conditions
DC operation
K/W
Nm
g
See Outline Table
Mounting surface, smooth, flat and
greased
Not lubricated threads
∆R
thJ-hs
Conduction
(The following table shows the increment of thermal resistence R
thJ-hs
when devices operate at different conduction angles than DC)
Conduction angle
180°
120°
90°
60°
30°
Sinusoidal conduction
S20
0.010
0.014
0.017
0.025
0.042
S30
0.010
0.014
0.017
0.025
0.042
Rectangular conduction
S20
0.008
0.014
0.019
0.026
0.042
S30
0.008
0.014
0.019
0.026
0.042
Units
Conditions
T
J
= T
J
max.
K/W
Ordering Information Table
Device Code
SD
1
1
2
3
4
-
-
-
-
Diode
Essential part number
3 = Fast recovery
45
2
3
3
N
4
25 S30
5
6
P
7
S
8
C
9
N = Stud Normal Polarity (Cathode to Stud)
R = Stud Reverse Polarity (Anode to Stud)
5
6
7
-
-
-
Voltage code: Code x 100 = V
RRM
(see Voltage Ratings table)
t
rr
code (see Recovery Characteristics table)
P = Stud base B-8 3/4" 16UNF-2A
M = Stud base B-8 M24 X 1.5
8
-7 S = Isolated lead with silicone sleeve
(Red = Reverse Polarity; Blue = Normal Polarity)
None = Not isolated lead
T = Threaded Top Terminal 3/8" 24UNF-2A
9
-
C = Ceramic housing
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SD453N/R Series
Bulletin I2076 rev. A 09/94
Outlines Table
CERAMIC HOUSING
26 (1.023) MAX.
10.5 (0.41) DIA.
5(0.20) ± 0.3(0.01)
12 (0.47) MIN.
Case Style B-8
C.S. 70mm
2
All dimensions in millimeters (inches)
245 (9.645)
255 (10.04)
DIA. MAX.
115 (4.52)
MIN.
21 (0.83) M AX.
47 (1.85)
SW 45
27.5 (1.08)
MAX.
3/4"-16UNF-2A *
* FOR METRIC DEVICE: M24 x 1.5 - LENGHT SCREW 21 (0.83) MAX.
MAX.
80 (3.15) MAX.
38 (1.5)
CERAMIC HOUSING
17 (0.67) DIA.
3/8"-24UNF-2A
25 (0.98)
77.5 (3.05)
80.5 (3.17)
38 (1.5)
DIA. MAX.
Case Style B-8 with top thread terminal 3/8"
All dimensions in millimeters (inches)
47 (1.8 5)
21 (0.83)
27.5 (1.08)
MAX.
SW 45
3/4"-16UNF-2A *
* FOR METRIC DEVICE: M24 x 1.5 - LENGHT SCREW 21 (0.83) MAX.
4
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MAX.
MAX.
SD453N/R Series
Bulletin I2076 rev. A 09/94
Maximum Allowable Case Temperature (°C)
150
140
130
120
110
100
90
80
70
30°
60
0
50 100 150 200 250 300 350 400 450
Average Forward Current (A)
Fig. 1 - Current Ratings Characteristics
Conduction Angle
Maximum Allowable Case Temperature (°C)
SD453N/R..S20 Series
R
thJC
(DC) = 0.1 K/W
150
140
130
120
110
100
90
80
70
60
50
0
100
200
300
400
500
600
700
Average Forward Current (A)
Fig. 2 - Current Ratings Characteristics
Conduction Period
SD453N/R..S20 Series
R
thJC
(DC) = 0.1 K/W
60° 90° 120°
60°
30°
90°
120°
180°
DC
180°
Maximum Allowable Case Temperature (°C)
Maximum Allowable Case Temperature (°C)
150
140
130
120
110
100
90
80
70
60
0
100
150
140
130
120
110
100
90
80
70
60
50
40
0
200
400
600
800
Average Forward Current (A)
Fig. 4 - Current Ratings Characteristics
Conduction Period
SD453N/R..S30 Series
R
thJC
(DC) = 0.1 K/W
SD453N/R..S30 Series
R
thJC
(DC) = 0.1 K/W
Conduction Angle
30°
60°
90°
120°
180°
DC
180°
30°
200
60°
90°
120°
400
500
300
Average Forward Current (A)
Fig. 3 - Current Ratings Characteristics
Maximum Average Forward Power Loss (W)
Maximum Average Forward Power Loss (W)
800
700
600
500
400
300
200
100
0
0
50 100 150 200 250 300 350 400 450
Average Forward Current (A)
Fig. 5 - Forward Power Loss Characteristics
Conduction Angle
1000
900
800
700
600
DC
180°
120°
90°
60°
30°
180°
120°
90°
60°
30°
RMS Limit
500 RMS Limit
400
300
200
100
0
0
100
200
300
400
500
600
700
Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
Conduction Period
SD453N/R..S20 Series
T
J
= 150°C
SD453N/R..S20 Series
T
J
= 150°C
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