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Document Number: 93510
2 Revision: 23-Jun-08
400U(R) Series
Vishay High Power Products
Standard Recovery Diodes
(Stud Version), 400 A
Note
• The table above shows the increment of thermal resistance R
thJC
when devices operate at different conduction angles than DC
FORWARD CONDUCTION
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average forward current
at case temperature
I
F(AV)
180° conduction, half sine wave
400 A
120 °C
Maximum RMS forward current I
F(RMS)
DC at 110 °C case temperature 630 A
Maximum peak, one cycle forward,
non-repetitive surge current
I
FSM
t = 10 ms
No voltage
reapplied
Sinusoidal half wave,
initial T
J
= T
J
maximum
8250
A
t = 8.3 ms 8640
t = 10 ms
100 % V
RRM
reapplied
6940
t = 8.3 ms 7270
Maximum I
2
t for fusing I
2
t
t = 10 ms
No voltage
reapplied
340
kA
2
s
t = 8.3 ms 311
t = 10 ms
100 % V
RRM
reapplied
241
t = 8.3 ms 220
Maximum I
2
√t for fusing I
2
√t t = 0.1 to 10 ms, no voltage reapplied 3400 kA
2
√s
Low level value of threshold voltage V
F(TO)1
(16.7 % x π x I
F(AV)
< I < π x I
F(AV)
), T
J
= T
J
maximum 0.77
V
High level value of threshold voltage V
F(TO)2
(I > π x I
F(AV)
), T
J
= T
J
maximum 0.85
Low level value of forward
slope resistance
r
f1
(16.7 % x π x I
F(AV)
< I < π x I
F(AV)
), T
J
= T
J
maximum 0.49
mΩ
High level value of forward
slope resistance
r
f2
(I > π x I
F(AV)
), T
J
= T
J
maximum 0.49
Maximum forward voltage drop V
FM
I
pk
= 1500 A, T
J
= T
J
maximum, t
p
= 10 ms sinusoidal wave 1.62 V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction operating and
storage temperature range
T
J
, T
Stg
- 40 to 200 °C
Maximum thermal resistance,
junction to case
R
thJC
DC operation 0.15
K/W
Maximum thermal resistance,
case to heatsink
R
thCS
Mounting surface, smooth, flat and greased 0.04
Maximum allowed mounting torque
± 10 %
Not lubricated threads 27 N · m
Approximate weight 250 g
Case style See dimensions - link at the end of datasheet DO-205AB (DO-9)
ΔR
thJC
CONDUCTION
CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS
180° 0.020 0.013
T
J
= T
J
maximum K/W
120° 0.023 0.023
90° 0.029 0.031
60° 0.042 0.044
30° 0.073 0.074
(7 páginas)
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