International Rrectifier SD400N, SD400R User Manual
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Bulletin I2082/A
SD400N/R SERIES
STANDARD RECOVERY DIODES
Features
Wide current range
High voltage ratings up to 2400V
High surge current capabilities
Stud cathode and stud anode version
Standard JEDEC types
Typical Applications
Converters
Power supplies
Machine tool controls
High power drives
Medium traction applications
Stud V ersion
400A
Major Ratings and Characteristics
Parameters SD400N/R Units
I
F(AV)
@ T
C
I
F(RMS)
I
FSM
I2t@
V
RRM
T
J
@ 50Hz 8250 A
@ 60Hz 8640 A
50Hz 340 KA2s
@ 60Hz 311 KA2s
range 400 to 2400 V
400 A
120 °C
630 A
- 40 to 190 °C
case style
DO-205AB (DO-9)
SD400N/R Series
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage V
Type number Code peak reverse voltage repetitive peak rev. voltage @ T
04 400 500
08 800 900
SD400N/R 15
12 1200 1300
16 1600 1700
20 2000 2100
24 2400 2500
Forward Conduction
Parameter SD400N/R Units Conditions
, maximum repetitive V
RRM
VVmA
, maximum non- I
RSM
RRM
max.
= TJ max.
J
I
F(AV)
Max. average forward current 400 A 180° conduction, half sine wave
@ Case temperature 120 °C
I
F(AV)
Max. average forward current 480 A 180° conduction, half sine wave
@ Case temperature 100 °C
I
F(RMS)
I
FSM
Max. RMS forward current 630 A DC @ 110°C case temperature
Max. peak, one-cycle forward, 8250 t = 10ms No voltage
non-repetitive surge current 8640 t = 8.3ms reapplied
6940 t = 10ms 100% V
A
RRM
7270 t = 8.3ms reapplied Sinusoidal half wave,
2
t Maximum I2t for fusing 340 t = 10ms No voltage Initial TJ = TJ max.
I
311 t = 8.3ms reapplied
241 t = 10ms 100% V
KA2s
RRM
220 t = 8.3ms reapplied
2
√t Maximum I2√t for fusing 3400 KA2√s t = 0.1 to 10ms, no voltage reapplied
I
V
V
Low level value of threshold
F(TO)1
voltage
High level value of threshold
F(TO)2
voltage
0.80 (16.7% x π x I
V
0.85 (I > π x I
F(AV)
< I < π x I
F(AV)
),TJ = TJ max.
), TJ = TJ max.
F(AV)
r
f
Low level value of forward
1
slope resistance
0.55 (16.7% x π x I
F(AV)
< I < π x I
), TJ = TJ max.
F(AV)
mΩ
r
f
V
High level value of forward
2
slope resistance
Max. forward voltage drop 1.62 V Ipk= 1500A, TJ = TJ max, tp = 10ms sinusoidal wave
FM
0.51 (I > π x I
),TJ = TJ max.
F(AV)
Thermal and Mechanical Specifications
Parameter SD400N/R Units Conditions
SD400N/R Series
T
T
R
R
T Max. allowed mounting torque ±10% 27 Nm Not lubricated threads
wt Approximate weight 250 g
∆R
(The following table shows the increment of thermal resistence R
Max. junction operating temperature range -40 to 190
J
Max. storage temperature range -55 to 200
stg
Max. thermal resistance, junction to case 0.11 DC operation
thJC
Max. thermal resistance, case to heatsink 0.04 Mounting surface, smooth, flat and greased
thCS
Case style DO-205AB (DO-9) See Outline Table
Conduction
thJC
when devices operate at different conduction angles than DC)
thJC
°C
K/W
Conduction angle Sinusoidal conduction Rectangular conduction Units Conditions
180° 0.020 0.013 TJ = TJ max.
120° 0.023 0.023
90° 0.029 0.031
60° 0.042 0.044
30° 0.073 0.074
K/W
Ordering Information Table
Device Code
1 - Diode
2 - Essential part number
3 - 0 = Standard recovery
4 - N = Stud Normal Polarity (Cathode to Stud)
R = Stud Reverse Polarity (Anode to Stud)
5 - Voltage code: Code x 100 = V
6 - P = Stud base DO-205AB (DO-9) 3/4" 16UNF-2A
M = Stud base DO-205AB (DO-9) M16 X 1.5
7 - B = Flag top terminal (for Cathode/ Anode Leads)
S = Isolated lead with silicone sleeve
(Red = Reverse Polarity; Blue = Normal Polarity)
SD 40 0 N 24 P B C
1 2
(See Voltage Ratings table)
RRM
3
4 5
6
7
8
None = Non isolated lead
8 - C = Ceramic Housing (over 1600V)
V = Glass-metal seal (only up to 1600V)
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