VS-240U(R).. Series
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Vishay Semiconductors
Standard Recovery Diodes
(Stud Version), 320 A
FEATURES
• Diffused diode
• Wide current range
• High voltage ratings up to 1200 V
• High surge current capabilities
• Stud cathode and stud anode version
• Hermetic metal case
• Designed and qualified for industrial level
DO-205AB (DO-9)
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
TYPICAL APPLICATIONS
• Welders
• Power supplies
PRODUCT SUMMARY
• Machine tool controls
IF(AV)
320 A
Package
DO-205AB (DO-9)
Circuit configuration
Single diode
• High power drives
• Medium traction applications
• Battery charges
• Freewheeling diodes
MAJOR RATINGS AND CHARACTERISTICS
PARAMETER
TEST CONDITIONS
IF(AV)
TC
IF(RMS)
IFSM
I2t
VRRM
VALUES
UNITS
320
A
100
°C
500
A
50 Hz
4500
60 Hz
4700
A
50 Hz
101
60 Hz
92
Range
600 to 1200
V
-40 to +180
°C
IRRM MAXIMUM
AT TJ = TJ MAXIMUM
mA
TJ
kA2s
ELECTRICAL SPECIFICATIONS
VOLTAGE RATINGS
TYPE NUMBER
VS-240U(R)..
VOLTAGE
CODE
VRRM, MAXIMUM REPETITIVE
PEAK REVERSE VOLTAGE
V
VRSM, MAXIMUM NON-REPETITIVE
PEAK REVERSE VOLTAGE
V
60
600
700
80
800
900
100
1000
1100
120
1200
1300
15
Revision: 27-Jun-14
Document Number: 93504
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VS-240U(R).. Series
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Vishay Semiconductors
FORWARD CONDUCTION
PARAMETER
SYMBOL
Maximum average forward current 
at case temperature
IF(AV)
Maximum RMS forward current
IF(RMS)
Maximum peak, one cycle forward,
non-repetitive surge current
IFSM
TEST CONDITIONS
180° conduction, half sine wave
500
t = 10 ms
t = 8.3 ms
t = 10 ms
Maximum
I2t
for fusing
Slope resistance
rf
Threshold voltage
VF(T0)
Maximum forward voltage drop
VFM
No voltage 
reapplied
100 % VRRM
reapplied
No voltage 
reapplied
4700
A
3800
Sinusoidal half wave,
initial TJ = TJ maximum
4000
101
92
kA2s
100 % VRRM
reapplied
72
t = 0.1 to 10 ms, no voltage reapplied
1010
kA2s
0.6
m
t = 8.3 ms
I2t
°C
4500
t = 10 ms
I 2t
A
100
t = 10 ms
t = 8.3 ms
UNITS
320
DC at 80 °C case temperature
t = 8.3 ms
Maximum I2t for fusing
VALUES
66
TJ = TJ maximum
0.83
Ipk = 750 A, TJ = 25 °C, tp = 10 ms sinusoidal wave
1.33
V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
VALUES
UNITS
-40 to 180
°C
Maximum junction operating
and storage temperature range
TJ, TStg
Maximum thermal resistance,
junction to case
RthJC
DC operation
0.18
Maximum thermal resistance,
case to heatsink
RthCS
Mounting surface, smooth, flat and greased
0.08
K/W
Maximum allowable mounting torque +0 -20 %
Not lubricated threads
37 (330)
Lubricated threads
28 (250)
N·m
(lbf · in)
250
g
Approximate weight
Case style
See dimensions - link at the end of datasheet
DO-205AB (DO-9
RthJC CONDUCTION
CONDUCTION ANGLE
SINUSOIDAL CONDUCTION
RECTANGULAR CONDUCTION
180°
0.019
0.015
120°
0.023
0.025
90°
0.030
0.034
60°
0.045
0.047
30°
0.076
0.076
TEST CONDITIONS
UNITS
TJ = TJ maximum
K/W
Note
• The table above shows the increment of thermal resistance RthJC when devices operate at different conduction angles than DC
Revision: 27-Jun-14
Document Number: 93504
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VS-240U(R).. Series
Vishay Semiconductors
Maximum Allowable Case Temperature (°C)
Maximum Allowable Case Temperature (°C)
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180
240U(R)
RthJC (DC) = 0.18 K/W
170
160
150
Conduction Angle
140
130
120
110
30 °
100
60 °
90 °
120 °
90
180 °
80
0
50
100
150
200
250
300
350
Average Forward Current (A)
180
240U(R)
RthJC (DC) = 0.18 K/W
160
140
Conduction Period
120
30 °
100
60 °
90 °
80
120 °
180 °
0
100
300
400
500
600
Fig. 2 - Current Ratings Characteristics
180 °
90 °
0.
2
0.
K/
1
W
W
K/
300
K/
W
0.3
60 °
=
120 °
350
A
hS
400
Rt
30 °
150
Conduction Angle
100
1 K/
W
1.5 K/W
3 K/W
240U(R)..
Tj = 180 °C
50
K/W
K/W
R
0.7
200
ta
0.5
RMS Limit
el
250
-D
Maximum Average Forward
Power Loss (W)
200
Average Forward Current (A)
Fig. 1 - Current Ratings Characteristics
450
DC
60
0
0
50
100
150
200
250
300
Average Forward Current (A)
350 20
40
60
80
100 120 140 160 180
Maximum Allowable Ambient Temperature (°C)
Fig. 3 - Forward Power Loss Characteristics
Maximum Average Forward
Power Loss (W)
600
DC
180 °
120 °
90 °
60 °
30 °
500
400
300
Rt
hS
A
0.2
0.3
RMS Limit
Conduction Period
200
240U(R)
Tj = 180 °C
100
=
0.1
K/W
K/
W
-D
elt
K/W
aR
0.5
K/W
0.7
K/W
1 K/W
1.5 K/W
3 K/W
0
0
100
200
300
400
500
Average Forward Current (A)
600 20
40
60
80
100 120 140 160 180
Maximum Allowable Ambient Temperature (°C)
Fig. 4 - Forward Power Loss Characteristics
Revision: 27-Jun-14
Document Number: 93504
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VS-240U(R).. Series
4000
Vishay Semiconductors
Peak Half Sine Wave Forward Current (A)
Peak Half Sine Wave Forward Current (A)
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At Any Rated Load Condition And With
Rated Vrrm Applied Following Surge.
Initial Tj = 180 °C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
3800
3600
3400
3200
3000
2800
2600
Per Junction
2400
2200
1
10
100
Number Of Equal Amplitude
Half Cycle Current Pulses (N)
5000
4500
4000
3500
3000
2500
Per Junction
2000
0.01
0.1
1
Pulse Train Duration (s)
Fig. 5 - Maximum Non-Repetitive Surge Current
Instantaneous Forward Current (A)
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration. Control
Of Conduction May Not Be Maintained.
Initial T j = 180 °C
No Voltage Reapplied
Rated Vrrm Reapplied
Fig. 6 - Maximum Non-Repetitive Surge Current
10 000
Tj = 25°C
Tj = 180 °C
1000
100
10
0.5
1
1.5
2
2.5
3
3.5
Instantaneous Forward Voltage (V)
ZthJC - Transient Thermal Impedance (K/W)
Fig. 7 - Forward Voltage Drop Characteristics
1
Steady State Value
RthJC per junction = 0.18 K/W
DC Operation)
0.1
0.01
0.001
0.0001
0.001
0.01
0.1
1
10
t - Square Wave Pulse Duration (s)
Fig. 8 - Thermal Impedance ZthJC Characteristic
Revision: 27-Jun-14
Document Number: 93504
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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
VS-240U(R).. Series
www.vishay.com
Vishay Semiconductors
ORDERING INFORMATION TABLE
Device code
VS-
24
0
U
R
60
D
1
2
3
4
5
6
7
1
-
Vishay Semiconductors product
2
-
24 = essential part number
3
-
0 = standard device
4
-
U = stud normal polarity (cathode to stud)
5
-
5
None = stud normal polarity (cathode to stud)
6
-
R = stud reverse polarity (anode to stud)
Voltage code x 10 = VRRM (see Voltage Ratings table)
7
-
Diffused diode
Note = For metric device M16 x 1.5 contact factory
LINKS TO RELATED DOCUMENTS
Dimensions
www.vishay.com/doc?95317
Revision: 27-Jun-14
Document Number: 93504
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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Outline Dimensions
Vishay Semiconductors
DO-205AB (DO-9) for 240U(R) Series
DIMENSIONS in millimeters (inches)
19.2 (0.76) MAX.
4.2 (
0.17
) MA
X.
23 (0.91) plone
MIN.
Ø 8.9 (0.35)
Ø 8.4 (0.33)
Ø 27.9 (1.1) MAX.
190 (7.48) MAX.
SW 32
53.3 (2.1) MAX.
10 (0.39) MAX.
21 (0.82) MAX.
3.18 (0.12) MAX.
Unthreaded portion
3/4"-16UNF-2A (1)
Note
(1) For metric device M16 x 1.5 contact factory
Document Number: 95317
Revision: 02-Jul-08
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1
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Revision: 13-Jun-16
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