Bulletin I2064 rev. A 09/94
SD203N/R SERIES
FAST RECOVERY DIODES
Features
High power FAST recovery diode series
1.0 to 2.0 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 JEDEC DO-205AB (DO-9)
Maximum junction temperature 125°C
Stud Version
200A
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
I
2
t
@ 50Hz
@ 60Hz
V
RRM
range
t
rr
range
@ T
J
T
J
SD203N/R
200
85
314
4990
5230
125
114
400 to 2500
1.0 to 2.0
25
- 40 to 125
Units
A
°C
A
A
A
KA
2
s
KA
2
s
V
µs
°C
°C
case style
DO-205AB (DO-9)
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SD203N/R Series
Bulletin I2064 rev. A 09/94
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Type number
Voltage
V
RRM
max. repetitive
Code
peak and off-state voltage
V
04
SD203N/R..S10
08
10
12
SD203N/R..S15
14
16
SD203N/R..S20
20
25
400
800
1000
1200
1400
1600
2000
2500
V
RSM
, maximum non-
repetitive peak voltage
V
500
900
1100
1300
1500
1700
2100
2600
I
RRM
max.
T
J
= 125°C
mA
35
Forward Conduction
Parameter
I
F(AV)
Max. average forward current
@ Case temperature
I
F(RMS)
Max. RMS current
I
FSM
Max. peak, one-cycle
non-repetitive forward current
SD203N/R
200
85
314
4990
5230
4200
4400
Units
A
°C
A
Conditions
180° conduction, half sine wave.
DC @ 76°C case temperature
t = 10ms
t = 8.3ms
No voltage
reapplied
100% V
RRM
reapplied
No voltage
reapplied
100% V
RRM
reapplied
Sinusoidal half wave,
Initial T
J
= T
J
max.
A
t = 10ms
t = 8.3ms
t = 10ms
I
2
t
Maximum I
2
t for fusing
125
114
88
81
KA
2
s
t = 8.3ms
t = 10ms
t = 8.3ms
I
2
√t
Maximum I
2
√t
for fusing
1250
1.00
1.47
1.10
0.46
1.65
KA
2
√s
V
mΩ
V
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.
(I >
π
x I
F(AV)
), T
J
= T
J
max.
(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.
I
pk
= 628A, T
J
= 25°C, t
p
= 400 µs square pulse
V
F(TO)1
Low level of threshold voltage
V
F(TO)
2
High level of threshold voltage
r
f1
r
f2
V
FM
Low level of forward slope resistance
High level of forward slope resistance
Max. forward voltage
Recovery Characteristics
Code
T
J
= 25
o
C
typical t
(µs)
rr
Test conditions
I
pk
Max. values @ T
J
= 125 °C
V
r
di/dt
(A/µs)
t
rr
Q
rr
I
rr
@ 25% I
RRM
Square Pulse
(A)
(V)
@ 25% I
RRM
(µs)
2.4
(µC)
52
90
107
(A)
33
44
46
S10
S15
S20
1.0
1.5
2.0
750
25
- 30
2.9
3.2
2
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SD203N/R Series
Bulletin I2064 rev. A 09/94
Thermal and Mechanical Specification
Parameter
T
J
T
stg
SD203N/R
-40 to 125
-40 to 150
0.115
0.08
31
24.5
Units
°C
Conditions
Max. operating temperature range
Max. storage temperature range
R
thJC
Max. thermal resistance, junction to case
R
thCS
Max. thermal resistance, case to heatsink
T
Mounting torque ±10%
K/W
DC operation
Mounting surface, smooth, flat and greased
Nm
g
Not lubricated threads
Lubricated threads
wt
Approximate weight
Case style
250
DO-205AB (DO-9)
See Outline Table
∆R
thJC
Conduction
(The following table shows the increment of thermal resistence R
thJC
when devices operate at different conduction angles than DC)
Conduction angle
180°
120°
90°
60°
30°
Sinusoidal conduction Rectangular conduction Units
0.010
0.013
0.017
0.025
0.044
0.008
0.014
0.019
0.027
0.044
K/W
Conditions
T
J
= T
J
max.
Ordering Information Table
Device Code
SD
1
1
2
3
4
-
-
-
-
Diode
Essential part number
3 = Fast recovery
20
2
3
3
R
4
25 S20
5
6
P
7
B
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 DO-205AB (DO-9) 3/4" 16UNF-2A
M = Stud base DO-205AB (DO-9) M16 X 1.5
8
-7 B = Flag top terminals (for Cathode/ Anode Leads)
S = Isolated lead with silicone sleeve
(Red = Reverse Polarity; Blue = Normal Polarity)
None = Not isolated lead
9
-
C = Ceramic housing (over 1600V)
V = Glass-metal seal (only up to 1600V)
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SD203N/R Series
Bulletin I2064 rev. A 09/94
Outline Table
CERAMIC HOUSING
19 (0.75)
MAX.
9.5 (0.37) MIN.
39 (1.53)
MAX.
C.S. 35mm
(0.054 s.i.)
2
SW 32
16 (0.63)
MAX.
4 (0.16) MAX.
210 (8.27) ± 10 (0.39)
DIA. 8.5 (0.33) NOM.
82 (3.23) MIN.
DIA. 27.5 (1.08) MAX.
21 (0.82)
MAX.
38 (1.50)
MAX.
Conform to JEDEC DO-205AB (DO-9)
3/4"-16UNF-2A*
All dimensions in millimeters (inches)
* FOR METRIC DEVICE: M16 X 1.5
GLASS-METAL SEAL
19 (0.75)
MAX.
9.5 (0.37) MIN.
4 (0.16) MAX.
200 (7.87) ± 10 (0.39)
DIA. 8.5 (0.33) NOM.
C.S. 35mm
(0.054 s.i.)
75 (2.95) MIN.
DIA. 28.5 (1.08) MAX.
28.5 (1.12)
MAX.
21 (0.82)
MAX.
16 ( 0.63)
MAX.
SW 32
3/4-16UNF-2A*
* FOR METRIC DEVICE: M16 X 1.5
4
39 (1.53)
MAX.
2
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SD203N/R Series
Bulletin I2064 rev. A 09/94
Outline Table
CERAMIC HOUSING
21 (0.83)
14 (0.55)
DIA. 6.5 (0.25)
13 (0.51)
79 (3.11) MAX.
DIA. 27.5 (1.08) MAX.
72 (2 .8 3)
38 (1. 50)
MAX.
2 1 (0.82)
M AX .
16 (0.63)
MAX.
3/4"-16UNF-2A*
*FOR METRIC DEVICE. M16 X 1.5
3 (0 .1 2)
DO-205AB (DO-9) Flag
All dimensions in millimeters (inches)
32 (1. 26 )
GLASS-METAL SEAL
21 (0.83)
14 (0.55)
DIA. 6.5 (0.26)
13 (0.51)
7 0 (2.7 5) M AX.
28.5 (1.12)
M AX .
21 (0.83)
MA X.
16 (0.63)
MAX .
3/4"-16UNF-2A*
*FOR METRIC DEVICE: M16 X 1.5
32 (1.26)
3 (0 .1 2)
62 (2.4 4)
DIA. 28.5 (1.12) MAX.
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