VS-301U(R), VS-303U(R), VS-305U(R), VS-307U(R), VS-309U(R) Series
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Revision: 11-Jan-18 1Document Number: 93509
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Standard Recovery Diodes,
(Stud Version), 300 A
FEATURES
• Wide current range
• High voltage rating up to 2500 V
• High surge current capabilities
• Stud cathode and stud anode version
• High resistance to acceleration
• Designed and qualified for industrial level
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
TYPICAL APPLICATIONS
• Converters
• Power supplies
• Machine tool controls
• High power drives
• Medium traction applications
ELECTRICAL SPECIFICATIONS
PRIMARY CHARACTERISTICS
IF(AV) 300 A
Package DO-9 (DO-205AB)
Circuit configuration Single
DO-9 (DO-205AB)
MAJOR RATINGS AND CHARACTERISTICS
PARAMETER TEST CONDITIONS 301U(R) UNITS
160 TO 200 250
IF(AV)
330 300 A
TC120 120 °C
IF(RMS) 520 470 A
IFSM
50 Hz 8250 6050 A
60 Hz 8640 6335
I2t50 Hz 340 183 kA2s
60 Hz 311 167
VRRM Range 1600 to 2000 2500 V
TJ-40 to +180 -40 to +180 °C
VOLTAGE RATINGS
TYPE NUMBER VOLTAGE
CODE
VRRM, MAXIMUM REPETITIVE
PEAK REVERSE VOLTAGE
V
VRSM, MAXIMUM NON-REPETITIVE
PEAK REVERSE VOLTAGE
V
IRRM MAXIMUM
AT TJ = TJ MAXIMUM
mA
VS-301U(R)
VS-303U(R)
VS-305U(R)
VS-307U(R)
VS-309U(R)
160 1600 1700
15200 2000 2100
250 2500 2600
VS-301U(R), VS-303U(R), VS-305U(R), VS-307U(R), VS-309U(R) Series
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FORWARD CONDUCTION
PARAMETER SYMBOL TEST CONDITIONS 301U(R) UNITS
160 TO 200 250
Maximum average forward current
at case temperature IF(AV) 180° conduction, half sine wave 330 300 A
120 120 °C
Maximum RMS forward current IF(RMS) DC at TC = 115 °C (up to 2000 V), TC = 102 °C (2500 V) 520 470 A
Maximum peak, one cycle forward,
non-repetitive surge current IFSM
t = 10 ms No voltage
reapplied
Sinusoidal half wave,
initial TJ = TJ maximum
8250 6050
A
t = 8.3 ms 8640 6335
t = 10 ms 100 % VRRM
reapplied
6940 5090
t = 8.3 ms 7270 5330
Maximum I2t for fusing I2t
t = 10 ms No voltage
reapplied
340 183
kA2s
t = 8.3 ms 311 167
t = 10 ms 100 % VRRM
reapplied
241 129
t = 8.3 ms 220 118
Maximum I2t for fusing I2t t = 0.1 to 10 ms, no voltage reapplied 3400 1830 kA2s
Low level value of threshold voltage VF(TO)1 (16.7 % x x IF(AV) < I < x IF(AV)), TJ = TJ maximum 0.77 0.90 V
High level value of threshold voltage VF(TO)2 (I > x IF(AV)), TJ = TJ maximum 0.84 0.97
Low level value of forward
slope resistance rf1 (16.7 % x x IF(AV) < I < x IF(AV)), TJ = TJ maximum 0.49 0.59
m
High level value of forward
slope resistance rf2 (I > x IF(AV)), TJ = TJ maximum 0.49 0.55
Maximum forward voltage drop VFM
Ipk = 942 A, TJ = TJ maximum, tp = 10 ms sinusoidal
wave 1.22 1.46 V
SPECIAL SELECTION FORWARD VOLTAGE (Tj = 25 °C)
DEVICE CLASSIFICATION BAND MIN. MAX. UNIT TEST CONDITIONS
VS-305U250P4
VS-307UA250P4
VS-305UR250P4
VS-307URA250P4
P4 1.31 1.40 V 1000 Apk
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction operating
temperature range TJ-40 to 180
°C
Maximum storage
temperature range TStg -40 to 200
Maximum thermal resistance,
junction to case RthJC DC operation 0.14
K/W
Maximum thermal resistance,
case to heatsink RthCS Mounting surface, smooth, flat and greased 0.08
Maximum allowed mounting torque
+0 -20 %
Not lubricated threads 37 N · m
Lubricated threads 28
Weight
301U 250 ± 5
g
303U 152 ± 5
305U 177 ± 5
307U 197 ± 5
309U 160 ± 5
Case style See dimensions - link at the end of datasheet DO-9 (DO-205AB)
VS-301U(R), VS-303U(R), VS-305U(R), VS-307U(R), VS-309U(R) Series
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Revision: 11-Jan-18 3Document Number: 93509
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Note
• The table above shows the increment of thermal resistance RthJC when devices operate at different conduction angles than DC
Fig. 1 - Current Ratings Characteristics
Fig. 1 - Current Ratings Characteristics
Fig. 2 - Current Ratings Characteristics
Fig. 3 - Current Ratings Characteristics
RthJC CONDUCTION
CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS
80 TO 200 250 80 TO 200 250
180° 0.015 0.015 0.011 0.011
TJ = TJ maximum K/W
120° 0.018 0.018 0.019 0.019
90° 0.023 0.023 0.025 0.025
60° 0.034 0.034 0.035 0.035
30° 0.056 0.056 0.057 0.057
110
120
130
140
150
160
170
180
0 50 100 150 200 250 300 350
30° 60° 90° 120°
180°
Average Forward Current (A)
Conduction Angle
Maximum Allowable Case Temperature (°C)
R (DC) = 0.14 K/ W
301U(R) Series (1600V to 2000V)
thJC
100
110
120
130
140
150
160
170
180
0 100 200 300 400 500 600
30°
60°
90°
180° DC
120°
Average Forward Current (A)
Conduction Period
Maximum Allowable Case Temperature (°C)
R (DC) = 0.14 K/ W
thJC
301U(R) Se ries (1600V to 2000V)
110
120
130
140
150
160
170
180
0 50 100 150 200 250 300 350
30°
60°
90°
120° 180°
Average Forward Current (A)
Conduction Angle
Maximum Allowable Case Temperature (°C)
301U(R) Series (2500V)
R (DC) = 0.14 K/ W
thJC
90
100
110
120
130
140
150
160
170
180
0100200300400500
30°
60°
90°
180° DC
120°
Average Forward Current (A)
Conduction Period
Maximum Allowa ble Case Temperature (°C)
301U(R) Serie s (2500V)
R (DC) = 0.14 K/ W
thJC
VS-301U(R), VS-303U(R), VS-305U(R), VS-307U(R), VS-309U(R) Series
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Revision: 11-Jan-18 4Document Number: 93509
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Fig. 4 - Forward Power Loss Characteristics
Fig. 5 - Forward Power Loss Characteristics
Fig. 6 - Forward Power Loss Characteristics
20 40 60 80 100 120 140 160 180
Maximum Allowable Ambient Temperature (°C)
R=0.1K
/W-DeltaR
thS
A
0.2K/ W
0.3K
/W
1.5K
/W
3K
/W
0.7K/W
0
50
100
150
200
250
300
350
400
0 50 100 150 200 250 300 350
180°
120°
90°
60°
30°
RM S Li m i t
Conduction Angle
Maximum Average Forward Power Loss (W)
Average Forward Current (A)
301U(R) Series
(1600V to 2000V)
T = 180°C
J
20 40 60 80 100 120 140 160 180
Maximum Allowable Ambient Temperature (°C)
R=0.1K/W-DeltaR
thS
A
0.2K
/W
0.3K
/W
1.5K
/W
3K/W
0.7K
/W
0
50
100
150
200
250
300
350
400
450
500
550
0
100 200 300 400 500 600
DC
180°
120°
90°
60°
30°
RM S Li m i t
Conduc tion Period
M a x i m u m A v e ra g e Fo rw a r d Po w e r Lo ss ( W )
Average Forward Current (A)
301U(R) Serie s
(1600V t o 2000V)
T = 1 8 0 ° C
J
20 40 60 80 100 120 140 160 180
Maximum Allowable Ambient Temperature (°C)
R=0.1K/W-DeltaR
thS
A
0.2K
/W
0.3K
/W
1.5K/W
3K
/W
0.7K/W
0
50
100
150
200
250
300
350
400
450
0 50 100 150 200 250 300
180°
120°
90°
60°
30°
RM S Li m i t
Conduction Angle
Maximum Average Forward Power Loss (W)
Averag e Forward Current (A)
T = 180°C
301U(R) Se ries (2500V)
J
VS-301U(R), VS-303U(R), VS-305U(R), VS-307U(R), VS-309U(R) Series
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Revision: 11-Jan-18 5Document Number: 93509
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Fig. 7 - Forward Power Loss Characteristics
Fig. 8 - Maximum Non-Repetitive Surge Current
Fig. 9 - Maximum Non-Repetitive Surge Current
Fig. 10 - Maximum Non-Repetitive Surge Current
Fig. 11 - Maximum Non-Repetitive Surge Current
20 40 60 80 100 120 140 160 180
Maximum Allowable Ambient Temperature (°C)
R=0.1K
/W-Delta R
thS
A
0.2K/W
0.3K/W
1.5K
/W
3K/W
0.7K/W
0
100
200
300
400
500
600
0
100 200 300 400 500
DC
180°
120°
90°
60°
30°
RM S Li m i t
Conduction Period
Maximum Average Forward Power Loss (W)
Average Forward Current (A)
T = 180°C
301U(R) Series (2500V)
J
2000
3000
4000
5000
6000
7000
8000
110100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Pe a k Ha lf Sine Wave Fo rwa rd Current (A)
Init ia l T = 180°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Ra ted Load Condition And With
Rated V Applied Following Surge.
RRM
J
301U(R) Series
(1600V to 2000V)
1000
2000
3000
4000
5000
6000
7000
8000
9000
0.01 0.1 1
Pulse Tra in Du r a t io n (s)
Pe a k Ha lf Sine Wa ve Fo rw a rd Curren t ( A)
Versus Pulse Train Duration.
Init ial T = 180 °C
No Voltage Reapplied
Rated V Reapplied
Maximum Non Repetitive Surge Current
RRM
J
301U(R) Series
(1600V to 2000V)
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
110100
Number Of Equa l Amplitude Half Cyc le Current Pulses (N)
Pe a k Ha lf Sine Wa ve Forw a rd Curre nt (A)
Init ia l T = 180°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Rated Load Condition And With
Rated V Applied Follow ing Surge.
RRM
J
301U(R) Series (2500V)
VS-301U(R), VS-303U(R), VS-305U(R), VS-307U(R), VS-309U(R) Series
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Revision: 11-Jan-18 6Document Number: 93509
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Fig. 12 - Forward Voltage Drop Characteristics Fig. 13 - Forward Voltage Drop Characteristics
Fig. 14 - Thermal Impedance ZthJC Characteristic
10
100
1000
10000
00.511.522.53
T = 2 5 ° C
J
Instantaneous Forward Voltage (V)
Inst a n t a ne o us Forw a rd Curren t ( A)
301U(R) Series
(1600V to 2000V)
T = 1 8 0 ° C
J
10
100
1000
10000
00.511.522.533.5
T = 2 5 ° C
J
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
301U(R) Series (2500V)
T = 1 8 0 ° C
J
0.001
0.01
0.1
1
0.001 0.01 0.1 1 10
Sq u a r e W a v e Pu l se D u r a t i o n ( s)
thJC
Tra n si e n t Th e r m a l Im p e d a n c e Z ( K/ W )
301U(R) Series
Steady State Value:
R = 0.14 K/ W
(DC Operation)
thJC
VS-301U(R), VS-303U(R), VS-305U(R), VS-307U(R), VS-309U(R) Series
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ORDERING INFORMATION TABLE
LINKS TO RELATED DOCUMENTS
Dimensions www.vishay.com/doc?95337
Device code
5 61 32 4
30VS- 1 U A 250
2- 30 = essential part number
1- Vishay Semiconductors product
5- A = maximum leakage selection I
RRM
= 2 mA, T
J
= 25 °C
6- Voltage code x 10 = V
RRM
(see Voltage Ratings table)
3
- 1 = standard device
3 = top threaded version
5 = type for rotating application with top threaded
version 3/8 16UNC-2A
7 = type for rotating application with flexible lead
9 = type for rotating application with top threaded
version 3/8 24UNF
4
- U = stud normal polarity (cathode to stud)
UR = stud reverse polarity (anode to stud)
P4
7
7- Refer special selection table for applicable parts
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Revision: 22-Jul-08 1
DO-205AB (DO-9), B-60, B-61, B-41, B-40 for 301U(R), 307U(R),
305U(R) and 309U(R) Series
Outline Dimensions
Vishay Semiconductors
DIMENSIONS FOR 301U(R) SERIES - DO-205AB (DO-9) in millimeters (inches)
Ceramic housing 19 (0.75) MAX.
Ø 8.7 (0.34) MAX.
24 (0.94)
MAX.
3/4"-16UNF-2A
for metric device: M16 x 1.5
contact factory
140 (5.51)
146 (5.75)
28 (1.10)
MAX.
21(0.83)
MAX.
32 (1.26) 3.9 (0.15)
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2Revision: 22-Jul-08
Outline Dimensions
Vishay Semiconductors DO-205AB (DO-9), B-60, B-61, B-41, B-40 for
301U(R), 307U(R), 305U(R) and 309U(R) Series
DIMENSIONS FOR 307U(R) SERIES - B-60 in millimeters (inches)
19 (0.75) MAX.
11 (0.43)
NOM.
12 (0.47)
MIN.
3/4"-16UNF-2A
Ø 8.5 (0.33)
3.9 (0.15)
Ceramic housing
21 (0.83)
MAX.
140 (5.51)
148 (5.83)
54 (2.13)
MAX.
32 (1.26)
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Revision: 22-Jul-08 3
Outline Dimensions
DO-205AB (DO-9), B-60, B-61, B-41, B-40 for
301U(R), 307U(R), 305U(R) and 309U(R) Series Vishay Semiconductors
DIMENSIONS FOR 305U(R) SERIES - B-61 in millimeters (inches)
DIMENSIONS FOR 309U(R) SERIES - B-41 in millimeters (inches)
3/8"-16UNC-2A
6.4 (0.25)
MAX.
7 (0.28) MAX.
3/4"-16UNF-2A
16 (0.63)
Ceramic housing
59 (2.32)
MAX.
21 (0.83)
MAX.
98 (3.86)
MAX.
32 (1.26)
3/8"-24UNF-2A
7.6 (0.3) MAX.
7 (0.28) MAX.
3/4"-16UNF-2A
17.5 (0.69)
Ceramic housing
60 (2.36)
MAX.
21 (0.83)
MAX.
97 (3.82)
MAX.
32 (1.26)
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4Revision: 22-Jul-08
Outline Dimensions
Vishay Semiconductors DO-205AB (DO-9), B-60, B-61, B-41, B-40 for
301U(R), 307U(R), 305U(R) and 309U(R) Series
DIMENSIONS FOR 303U(R) SERIES - B-40 in millimeters (inches)
3/8"-24UNF-2A
16.5 (0.65)
MAX.
Ceramic housing
9 (0.35) MAX.
Ø 27.3 (1.07) MAX.
3/4"-16UNF-2A
17.5 (0.69)
59.7 (2.35)
MAX.
29 (1.14)
MAX.
32 (1.26)
21 (0.83)
MAX.
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Revision: 08-Feb-17 1Document Number: 91000
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
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including but not limited to the warranty expressed therein.
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309URA160 VS-309UR120 VS-305U250 VS-301URA160 VS-309URA250 VS-303URA250 VS-309UA160 VS-
301URA120 VS-305URA200