240U(R).. Series
Standard Recovery Diodes
(Stud Version), 320 A
Vishay High Power Products
FORWARD CONDUCTION
PARAMETER
SYMBOL
TEST CONDITIONS
180° conduction, half sine wave
DC at 80 °C case temperature
VALUES
320
UNITS
A
Maximum average forward current
at case temperature
IF(AV)
100
°C
Maximum RMS forward current
IF(RMS)
500
t = 10 ms
t = 8.3 ms
t = 10 ms
t = 8.3 ms
t = 10 ms
t = 8.3 ms
t = 10 ms
t = 8.3 ms
4500
4700
3800
4000
101
No voltage
reapplied
A
Maximum peak, one cycle forward,
non-repetitive surge current
IFSM
100 % VRRM
reapplied
Sinusoidal half wave,
initial TJ = TJ maximum
No voltage
reapplied
92
Maximum I2t for fusing
I2t
kA2s
72
100 % VRRM
reapplied
66
Maximum I2√t for fusing
Slope resistance
I2√t
rf
t = 0.1 to 10 ms, no voltage reapplied
1010
0.6
kA2√s
mΩ
TJ = TJ maximum
Threshold voltage
VF(T0)
VFM
0.83
1.33
V
Maximum forward voltage drop
Ipk = 750 A, TJ = 25 °C, tp = 10 ms sinusoidal wave
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
VALUES
UNITS
Maximum junction operating
and storage temperature range
TJ, TStg
- 40 to 180
°C
Maximum thermal resistance,
junction to case
RthJC
DC operation
0.18
0.8
K/W
Maximum thermal resistance,
case to heatsink
RthCS
Mounting surface, smooth, flat and greased
Not lubricated threads
Lubricated threads
37 (330)
28 (250)
250
Maximum allowed mounting torque
+ 0 - 20 %
N · m
(lbf · in)
Approximate weight
Case style
g
See dimensions - link at the end of datasheet
DO-205AB (DO-9
ΔRthJC CONDUCTION
CONDUCTION ANGLE
SINUSOIDAL CONDUCTION
RECTANGULAR CONDUCTION
TEST CONDITIONS
UNITS
0.019
0.023
0.030
0.045
0.076
0.015
0.025
0.034
0.047
0.076
180°
120°
90°
TJ = TJ maximum
K/W
60°
30°
Note
• The table above shows the increment of thermal resistance RthJC when devices operate at different conduction angles than DC
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Document Number: 93504
Revision: 28-May-08