VS-MB Series
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Revision: 15-Jan-2019 1Document Number: 93563
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Single Phase Bridge Rectifier, 25 A, 35 A
FEATURES
• Universal, 3 way terminals:
push-on, wrap around, or solder
• High thermal conductivity package, electrically
insulated case
• Center hole fixing
• Excellent power/volume ratio
• UL E300359 approved
• Nickel plated terminals solderable using lead (Pb)-free
solder; solder alloy Sn/Ag/Cu (SAC305); solder
temperature 260 °C to 275 °C
• Designed and qualified for industrial level
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
DESCRIPTION
A range of extremely compact, encapsulated single phase
bridge rectifiers offering efficient and reliable operation.
They are intended for use in general purpose and
instrumentation applications.
ELECTRICAL SPECIFICATIONS
PRIMARY CHARACTERISTICS
IO25 A, 35 A
VRRM 200 V to 1200 V
Package D-34
Circuit configuration Single phase bridge
D-34
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES
26MB..A
VALUES
36MB..A UNITS
IO
25 35 A
TC65 60 °C
IFSM
50 Hz 400 475 A
60 Hz 420 500
I2t50 Hz 790 1130 A2s
60 Hz 725 1030
VRRM Range 200 to 1200 V
TJ-55 to +150 °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 MAXIMUM
26MB..A,
36MB..A
05 50 75
2
06 60 100
10 100 150
20 200 275
40 400 500
60 600 725
80 800 900
100 1000 1100
120 1200 1300
VS-MB Series
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Revision: 15-Jan-2019 2Document Number: 93563
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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
Fig. 1 - Current Ratings Characteristics Fig. 2 - Forward Voltage Drop Characteristics
Maximum Allowable Ambient Temperature
FORWARD CONDUCTION
PARAMETER SYMBOL TEST CONDITIONS
VALUES
26MB..A
VALUES
36MB..A UNITS
Maximum DC output current
at case temperature IO
Resistive or inductive load 25 35 A
Capacitive load 20 28
65 60 °C
Maximum peak, one-cycle
non-repetitive forward current IFSM
t = 10 ms No voltage
reapplied
Initial
TJ = TJ maximum
400 475
A
t = 8.3 ms 420 500
t = 10 ms 100 % VRRM
reapplied
335 400
t = 8.3 ms 350 420
Maximum I2t for fusing I2t
t = 10 ms No voltage
reapplied
790 1130
A2s
t = 8.3 ms 725 1030
t = 10 ms 100 % VRRM
reapplied
560 800
t = 8.3 ms 512 730
Maximum I2t for fusing I2tI
2t for time tx = I2xx0.1 tx 10 ms, VRRM = 0 V 5.6 11.3 kA2s
Low level value of threshold voltage VF(TO)1 (16.7 % x x IF(AV) < I < x IF(AV)), TJ maximum 0.76 0.79 V
High level value of threshold voltage VF(TO)2 (I > x IF(AV)), TJ maximum 0.92 0.96
Low level forward slope resistance rt1 (16.7 % x x IF(AV) < I < x IF(AV)), TJ maximum 6.8 5.8 m
High level forward slope resistance rt2 (I > x IF(AV)), TJ maximum 5.0 4.5
Maximum forward voltage drop VFM TJ = 25 °C, tp = 400 μs, IFM = 40 Apk (26MB),
IFM = 55 Apk (36MB) 1.11 1.14 V
Maximum DC reverse current IRRM TJ = 25 °C, per diode at VRRM 10 μA
RMS isolation voltage base plate VINS f = 50 Hz, t = 1 s 2700 V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS
VALUES
26MB-A
VALUES
36MB-A UNITS
Junction and storage temperature
range TJ, TStg -55 to 150 °C
Maximum thermal resistance
junction to case per bridge RthJC 1.7 1.2
K/W
Maximum thermal resistance,
case to heatsink RthCS Mounting surface, smooth, flat, and greased 0.2
Approximate weight 20 g
Mounting torque ± 10 % Bridge to heatsink 2.0 Nm
Average Forward Current (A)
Maximum Allowable Case temperature (°C)
50
70
90
110
130
150
0 5 10 15 20 25 30
180°
(Rect)
180°
(Sine)
26MB..A Series
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
1
10
100
1000
0.5 1 1.5 2 2.5 3 3.5
26MB..A Series
Tj = 25 °C
Tj = 150 °C
VS-MB Series
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Revision: 15-Jan-2019 3Document Number: 93563
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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
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Fig. 3 - Total Power Loss Characteristics
Fig. 4 - Maximum Non-Repetitive Surge Current
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 6 - Current Ratings Characteristics
Fig. 7 - Forward Voltage Drop Characteristics
Average Forward Current (A) Maximum Allowable Ambient Temperature (°C)
0
10
20
30
40
50
0 5 10 15 20 25
180°
(Sine)
26MB..A Series
T
J
= 150 °C
180°
(Rect)
0 25 50 75 100 125 150
2 K/W
3 K/W
4 K/W
5 K/W
7 K/W
10 K/W
RthSA = 1 K/W - Δ R
Maximum Average Forward Power Loss (W)
Number of Equal Amplitude Half Cycle Current Pulses (N)
Peak Half Sine Wave Forward Current (A)
100
150
200
250
300
350
400
110100
26MB..A Series
At Any Rated Load Condition And With
Initial T
J
= 150 °C
at 60 Hz 0.0083 s
at 50 Hz 0.0100 s
Rated V
RRM
Applied Following Surge
50
150
250
350
450
0.01 0.1 1
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration.
26MB..A Series
Initial TJ = 150 °C
No Voltage Reapplied
Rated VRRM Reapplied
Peak Half Sine Wave Forward Current (A)
Pulse Train Duration (s)
Average Forward Current (A)
Maximum Allowable Case temperature (°C)
50
70
90
110
130
150
0 5 10 15 20 25 30 35 40
180°
(Rect)
180°
(Sine)
36MB..A Series
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
1
10
100
1000
0.5 1 1.5 2 2.5 3 3.5
T
J
= 25 °C
T
J
= 150 °C
36MB..A Series
VS-MB Series
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Revision: 15-Jan-2019 4Document Number: 93563
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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
Fig. 8 - Total Power Loss Characteristics
Fig. 9 - Maximum Non-Repetitive Surge Current Fig. 10 - Maximum Non-Repetitive Surge Current
ORDERING INFORMATION TABLE
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
Maximum Allowable Ambient Temperature (°C)
35 25 50 75 100 125 15
0
1 K/W
2 K/W
3 K/W
4 K/W
5 K/W
7 K/W
RthSA = 0.7 K/W - Delta R
0
20
40
60
80
0 5 10 15 20 25 30
180°
(Sine)
180°
(Rect)
36MB..A Series
T
J
= 150 °C
Number of Equal Amplitude Half Cycle Current Pulses (N)
Peak Half Sine Wave Forward Current (A)
100
150
200
250
300
350
400
450
110100
At Any Rated Load Condition And With
Rated VRRM Applied Following Surge.
Initial TJ = 150 °C
at 60 Hz 0.0083 s
at 50 Hz 0.0100 s
36MB..A Series
Peak Half Sine Wave Forward Current (A)
Pulse Train Duration (s)
100
150
200
250
300
350
400
450
500
0.01 0.1 1
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration.
Initial TJ = 150 °C
No Voltage Reapplied
Rated VRRM Reapplied
36MB..A Series
2
- Current rating code
1
- Vishay Semiconductors product
3
- Circuit configuration:
4
- Voltage code x 10 = VRRM
5
- Diode bridge rectifier:
MB = Single phase european coding
A = 26 MB, 36 MB series
26 = 25 A (average)
36 = 35 A (average)
Device code
1 32 4 5
36VS- MB 120 A
VS-MB Series
www.vishay.com Vishay Semiconductors
Revision: 15-Jan-2019 5Document Number: 93563
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
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
CIRCUIT CONFIGURATION
LINKS TO RELATED DOCUMENTS
Dimensions www.vishay.com/doc?95326
(+)
AC
AC
(-)
Document Number: 95326 For technical questions, contact: indmodules@vishay.com www.vishay.com
Revision: 07-Jul-08 1
D-34
Outline Dimensions
Vishay Semiconductors
DIMENSIONS in millimeters (inches)
Suggested plugging force:
200 N max; axially applied to fast-on terminals
Not to scale
0.8 ± 0.05
(0.03 ± 0.002)
6.35 ± 0.1
(0.25 ± 0.004)
28.5 ± 0.15
(1.12 ± 0.006)
5.25 ± 0.15
(0.21 ± 0.006)
10.5 ± 0.15
(0.41 ± 0.006)
12.7 ± 0.1
(0.5 ± 0.004)
(0.85 )
+ 0.039
- 0.020
21.5 + 1.0
- 0.5 9.5 ± 0.5
(0.37 ± 0.020)
~
~
20.3 ± 0.15
(0.80 ± 0.006)
-
+
12.7 ± 0.1
(0.5 ± 0.004)
28.5 ± 0.15
(1.12 ± 0.006)
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 01-Jan-2019 1Document Number: 91000
Disclaimer
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RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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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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the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
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typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
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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
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
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including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
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