MB Series
Vishay High Power Products
Single Phase Bridge
(Power Modules), 25/35 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
MB
RoHS
COMPLIANT
• Nickel plated terminals solderable using lead (Pb)-free
solder; Solder Alloy Sn/Ag/Cu (SAC305); Solder
temperature 260 to 275 °C
• RoHS compliant
• Designed and qualified for industrial level
PRODUCT SUMMARY
I
T(AV)
25/35 A
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.
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
I
O
I
FSM
I
2
t
V
RRM
T
J
CHARACTERISTICS
26MB-A
25
T
C
50 Hz
60 Hz
50 Hz
60 Hz
Range
65
400
420
790
725
200 to 1200
- 55 to 150
36MB-A
35
60
475
500
1130
1030
UNITS
A
°C
A
A
2
s
V
°C
ELECTRICAL SPECIFICATIONS
VOLTAGE RATINGS
TYPE NUMBER
VOLTAGE
CODE
20
40
26MB..A
36MB..A
60
80
100
120
V
RRM
, MAXIMUM
REPETITIVE PEAK
REVERSE VOLTAGE
V
200
400
600
800
1000
1200
V
RSM
, MAXIMUM
NON-REPETITIVE PEAK
REVERSE VOLTAGE
V
275
500
725
900
1100
1300
2
I
RRM
MAXIMUM
AT T
J
MAXIMUM
Document Number: 93563
Revision: 27-Jun-08
For technical questions, contact: ind-modules@vishay.com
www.vishay.com
1
MB Series
Vishay High Power Products
FORWARD CONDUCTION
PARAMETER
Maximum DC output current
at case temperature
SYMBOL
TEST CONDITIONS
Resistive or inductive load
I
O
Capacitive load
26MB-A
25
20
65
t = 10 ms
Maximum peak, one-cycle
non-repetitive forward current
I
FSM
t = 8.3 ms
t = 10 ms
t = 8.3 ms
t = 10 ms
Maximum I
2
t for fusing
I
2
t
t = 8.3 ms
t = 10 ms
t = 8.3 ms
Maximum I
2
√t
for fusing
Low level value of threshold voltage
High level value of threshold voltage
Low level forward slope resistance
High level forward slope resistance
Maximum forward voltage drop
Maximum DC reverse current
RMS isolation voltage base plate
I
2
√t
V
F(TO)1
V
F(TO)2
r
t1
r
t2
V
FM
I
RRM
V
INS
No voltage
reapplied
100 % V
RRM
reapplied
No voltage
reapplied
100 % V
RRM
reapplied
400
420
335
Initial T
J
=
T
J
maximum
350
790
725
560
512
5.6
0.76
0.92
6.8
5.0
t
p
= 400 µs
1.11
10
2700
36MB-A
35
28
60
475
500
400
420
1130
1030
800
730
11.3
0.79
0.96
5.8
4.5
1.14
kA
2
√s
V
A
2
s
A
UNITS
A
°C
Single Phase Bridge
(Power Modules), 25/35 A
I
2
t for time t
x
= I
2
√t
×
√t
x
; 0.1
≤
t
x
≤
10 ms, V
RRM
= 0 V
(16.7 % x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
maximum
(I >
π
x I
F(AV)
), T
J
maximum
(16.7 % x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
maximum
(I >
π
x I
F(AV)
), T
J
maximum
T
J
= 25 °C, I
FM
= 40 A
pk
(26MB)
T
J
= 25 °C, I
FM
= 55 A
pk
(36MB)
T
J
= 25 °C, per diode at V
RRM
f = 50 Hz, t = 1 s
mΩ
V
µA
V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER
Junction and storage
temperature range
Maximum thermal resistance
junction to case per bridge
Maximum thermal resistance,
case to heatsink
Approximate weight
Mounting torque ± 10 %
Bridge to heatsink
SYMBOL
T
J
, T
Stg
R
thJC
R
thCS
Mounting surface, smooth, flat and greased
TEST CONDITIONS
26MB-A
36MB-A
UNITS
°C
- 55 to 150
1.7
0.2
20
2.0
1.2
K/W
g
Nm
www.vishay.com
2
For technical questions, contact: ind-modules@vishay.com
Document Number: 93563
Revision: 27-Jun-08
MB Series
Single Phase Bridge
Vishay High Power Products
(Power Modules), 25/35 A
Maximum Allowable Case temperature (°C)
150
26MB..A Series
Instantaneous Forward Current (A)
1000
Tj = 25 °C
Tj = 150 °C
130
110
180°
(Rect)
100
90
70
50
0
5
10
15
20
25
30
Average Forward Current (A)
10
180°
(Sine)
26MB..A Series
1
0.5
1
1.5
2
2.5
3
3.5
Instantaneous Forward Voltage (V)
Fig. 1 - Current Ratings Characteristics
Fig. 2 - Forward Voltage Drop Characteristics
Maximum Allowable Ambient Temperature
Maximum Average Forward Power Loss (W)
50
40
30
20
10
0
0
5
10
15
20
25
0
26MB..A Series
T
J
= 150 °C
180°
(Sine)
2
A
hS
Rt
=
1
K/
W
W
K/
-
Δ
180°
(Rect)
3K
/
W
4K
/
W
5K
/
W
R
7 K/
W
10 K
/
W
25
50
75
100
125
150
Average Forward Current (A)
Maximum Allowable Ambient Temperature (°C)
Fig. 3 - Total Power Loss Characteristics
Peak Half Sine Wave Forward Current (A)
Peak Half Sine Wave Forward Current (A)
400
350
300
250
200
150
At Any Rated Load Condition And
With
Rated
V
RRM
Applied Following Surge
Initial T
J
= 150 °C
at 60 Hz 0.0083 s
at 50 Hz 0.0100 s
450
350
Maximum
Non
Repetitive Surge Current
Versus
Pulse Train Duration.
Initial T
J
= 150 °C
No Voltage
Reapplied
Rated
V
RRM
Reapplied
250
150
26MB..A Series
26MB..A Series
100
1
10
100
50
0.01
0.1
Pulse Train Duration (s)
1
Number of Equal Amplitude Half Cycle Current Pulses (N)
Fig. 4 - Maximum Non-Repetitive Surge Current
Fig. 5 - Maximum Non-Repetitive Surge Current
Document Number: 93563
Revision: 27-Jun-08
For technical questions, contact: ind-modules@vishay.com
www.vishay.com
3
MB Series
Vishay High Power Products
Maximum Allowable Case temperature (°C)
Single Phase Bridge
(Power Modules), 25/35 A
1000
150
36MB..A Series
Instantaneous Forward Current (A)
T
J
= 25 °C
T
J
= 150 °C
130
110
90
70
50
0
5
10
15
20
25
30
35
40
Average Forward Current (A)
100
180°
(Rect)
180°
(Sine)
10
36MB..A Series
1
0.5
1
1.5
2
2.5
3
3.5
Instantaneous Forward Voltage (V)
Fig. 6 - Current Ratings Characteristics
Fig. 7 - Forward Voltage Drop Characteristics
Maximum Average Forward Power Loss (W)
80
36MB..A Series
T
J
= 150 °C
180°
(Sine)
180°
(Rect)
Rt
hS
A
60
=
1K
/
W
0.
7
K/
W
40
2K
/
W
-D
elt
a
R
3K
/
W
4 K/
W
20
5 K/
W
7 K/W
0
0
5
10
15
20
25
30
35
25
50
75
100
125
15
0
Average Forward Current (A)
Maximum Allowable Ambient Temperature (°C)
Fig. 8 - Total Power Loss Characteristics
Peak Half Sine Wave Forward Current (A)
450
400
350
300
250
200
150
100
1
Peak Half Sine Wave Forward Current (A)
At Any Rated Load Condition And
With
Rated
V
RRM
Applied Following Surge.
Initial T
J
= 150 °C
at 60 Hz 0.0083 s
at 50 Hz 0.0100 s
500
450
400
350
300
250
200
150
Maximum
Non
Repetitive Surge Current
Versus
Pulse Train Duration.
Initial T
J
= 150 °C
No Voltage
Reapplied
Rated
V
RRM
Reapplied
36MB..A Series
36MB..A Series
10
100
100
0.01
0.1
Pulse Train Duration (s)
1
Number of Equal Amplitude Half Cycle Current Pulses (N)
Fig. 9 - Maximum Non-Repetitive Surge Current
Fig. 10 - Maximum Non-Repetitive Surge Current
www.vishay.com
4
For technical questions, contact: ind-modules@vishay.com
Document Number: 93563
Revision: 27-Jun-08
MB Series
Single Phase Bridge
Vishay High Power Products
(Power Modules), 25/35 A
ORDERING INFORMATION TABLE
Device code
36
1
MB
2
120
3
A
4
26 = 25 A (average)
36 = 35 A (average)
1
2
-
-
-
-
Current rating code
Circuit configuration:
MB = Single phase european coding
3
4
Voltage code x 10 = V
RRM
Diode bridge rectifier:
A = 26 MB, 36 MB series
CIRCUIT CONFIGURATION
AC
(+)
AC
(-)
LINKS TO RELATED DOCUMENTS
Dimensions
http://www.vishay.com/doc?95326
Document Number: 93563
Revision: 27-Jun-08
For technical questions, contact: ind-modules@vishay.com
www.vishay.com
5
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