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 E 62320 approved
Nickel plated terminals solderable as per MIL-STD-202E Method
208C; solder: Sn/Pb (60/40); solder temperature: 235-260°C
flux: Alpha 6295H
max. time: 8-10 secs
Description
A range of extremely compact, encapsulated single
phase bridge rectifiers offering efficient and reli-
able operation. They are intended for use in general
purpose and instrumentation applications.
Parameters 26MB-A 36MB-A Units
Major Ratings and Characteristics
IO25 35 A
@ TC65 60 oC
IFSM @
50Hz 400 475 A
@ 60Hz 420 500 A
I2t @ 50Hz 790 1130 A2s
@ 60Hz 725 1030 A2s
V RRM range 50 to 1600 V
TJ- 40 to 150 oC
SINGLE PHASE BRIDGE Power Modules
25 A
35 A
MB SERIES
Bulletin I2715 rev. G 08/01
1
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MB Series
2
Bulletin I2715 rev. G 08/01
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IOMaximum DC output current 25 35 A Resistive or inductive load
20 28 A Capacitive load
@ Case temperature 65 60 °C
IFSM Maximum peak, one-cycle 400 475 A t = 10ms No voltage
non-repetitive forward current 420 500 t = 8.3ms reapplied
335 400 t = 10ms 100% VRRM
350 420 t = 8.3ms reapplied Initial TJ = TJ max.
I2t Maximum I2t for fusing 790 1130 A2s t = 10ms No voltage
725 1030 t = 8.3ms reapplied
560 800 t = 10ms 100% VRRM
512 730 t = 8.3ms reapplied
I2√t Maximum I2√t for fusing 5.6 11.3 KA2√sI
2t for time tx = I2√t x √tx ;
0.1 ≤ t x ≤ 10ms, VRRM = 0V
VF(TO)1 Low-level of threshold voltage 0.76 0.79 V (16.7% x π x IF(AV) < I < π x IF(AV)), @ TJ
max.
VF(TO)2 High-level of threshold voltage 0.92 0.96 (I > π x IF(AV)), @ TJ
max.
rt1 Low-level forward slope resistance 6.8 5.8 m Ω(16.7% x π x IF(AV) < I < π x IF(AV)), @ TJ
max.
rt2 High-level forward slope resistance 5.0 4.5 (I > π x IF(AV)), @ TJ
max.
VFM Maximum forward voltage drop 1.11 1.14 V TJ = 25 oC, IFM = IFavg (arm)
x π, tp = 400µs
IRRM Max. DC reverse current 10 10 µAT
J = 25 oC, per diode at VRRM
VINS RMS isolation voltage base plate 2700 2700 V f = 50 Hz, t = 1s
Forward Conduction
Voltage VRRM , maximum repetitive VRSM , maximum non- I RRM max.
Type number Code peak reverse voltage repetitive peak rev. voltage @ TJ max.
VVmA
550 75
10 100 150
26MB..A 20 200 275
36MB..A 40 400 500
60 600 725 2
80 800 900
100 1000 1100
120 1200 1300
140 1400 1500
160 1600 1700
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Parameters 26MB-A 36MB-A Units Conditions
MB Series
3
Bulletin I2715 rev. G 08/01
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TJJunction temperature range - 40 to 150 oC
Tstg Storage temperature range - 40 to 150 oC
RthJC Max. thermal resistance junction to case 1.7 1.2 K/W Per bridge
RthCS Max. thermal resistance, case to heatsink 0.2 K/W Mounting surface , smooth, flat and greased
wt Approximate weight 20 g
T Mounting Torque ± 10% 2.0 Nm Bridge to heatsink
All dimensions in millimetres (inches)
Suggested plugging force:
200 N max; axially applied to faston terminals
26 = 25A (Avg)
36 = 35A (Avg)
1- Current rating code:
2- Circuit configuration:
MB = Single phase european coding
3- Voltage code: MB series = code x 10 = VRRM
4- Diode bridge rectifier:
A = 26MB, 36MB Series
36 MB 160 A
1234
Thermal and Mechanical Specifications
Ordering Information Table
Outline Table
Device Code
Parameters 26MB-A 36MB-A Units Conditions
Not To Scale
0.8 (.03) 6.3 (.25)
10.5 (.41)
20.3 (.80)
MB Series
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Bulletin I2715 rev. G 08/01
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Fig. 1 - Current Ratings Characteristics Fig. 2 - Forward Voltage Drop Characteristics
Fig. 3 - Total Power Loss Characteristics
Fig. 4 - Maximum Non-Repetitive Surge Current Fig. 5 - Maximum Non-Repetitive Surge Current
Average Forward Current (A)
Maximum Allowable Case temperature (°C)
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
Maximum Allowable Ambient Te
50
70
90
110
130
150
0 5 10 15 20 25 30
180˚
(Rect)
180˚
(Sine)
26MB..A Series
1
10
100
1000
0.5 1 1.5 2 2.5 3 3.5
26MB..A Series
Tj = 25˚C
Tj = 150˚C
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
Maximum Allowable Ambient Temperature (°C)
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 - Delta R
0
0
0
0
0
0
0 5 10 15 20
180˚
(Sine)
26MB..A Series
Tj = 150˚C
180˚
(Rect)
25
Number of Equal Amplitude Half Cycle Current Pulses (N)
Peak Half Sine Wave Forward Current (A)
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)
100
150
200
250
300
350
400
1 10 100
26MB..A series
At Any Rated Load Condition And With
Initial Tj = 150˚C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
Rated Vrrm Applied Following Surge
MB Series
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Bulletin I2715 rev. G 08/01
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Fig. 6 - Current Ratings Characteristics Fig. 7 - Forward Voltage Drop Characteristics
Fig. 3 - Total Power Loss Characteristics
Fig. 9 - Maximum Non-Repetitive Surge Current Fig. 10 - Maximum Non-Repetitive Surge Current
Average Forward Current (A)
Maximum Allowable Case temperature (°C)
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
Maximum Allowable Ambient Te
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
Maximum Allowable Ambient Temperature (°C)
Number of Equal Amplitude Half Cycle Current Pulses (N)
Peak Half Sine Wave Forward Current (A)
Peak Half Sine Wave Forward Current (A)
Pulse Train Duration (s)
50
70
90
110
130
150
0 5 10 15 20 25 30 35 40
180˚
(Rect)
180˚
(Sine)
36MB..A Series
1
10
100
1000
0.5 1 1.5 2 2.5 3 3.5
Tj = 25˚C
Tj = 150˚C
36MB..A Series
0 25 50 75 100 125 150
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
Tj = 150˚C
35
100
150
200
250
300
350
400
450
1 10 100
At Any Rated Load Condition And With
Rated Vrrm Applied Following Surge.
Initial Tj = 150˚C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
36MB..A Series
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
MB Series
6
Bulletin I2715 rev. G 08/01
www.irf.com
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7309
Visit us at www.irf.com for sales contact information. 08/01
Data and specifications subject to change without notice.
This product has been designed and qualified for Industrial and Consumer Level.
Qualification Standards can be found on IR's Web site.
