Datasheet
www.vishay.com For technical questions, contact: ind-modules@vishay.com
Document Number: 93563
2 Revision: 27-Jun-08
MB Series
Vishay High Power Products
Single Phase Bridge
(Power Modules), 25/35 A
FORWARD CONDUCTION
PARAMETER SYMBOL TEST CONDITIONS 26MB-A 36MB-A UNITS
Maximum DC output current
at case temperature
I
O
Resistive or inductive load 25 35
A
Capacitive load 20 28
65 60 °C
Maximum peak, one-cycle
non-repetitive forward current
I
FSM
t = 10 ms
No voltage
reapplied
Initial T
J
=
T
J
maximum
400 475
A
t = 8.3 ms 420 500
t = 10 ms
100 % V
RRM
reapplied
335 400
t = 8.3 ms 350 420
Maximum I
2
t for fusing I
2
t
t = 10 ms
No voltage
reapplied
790 1130
A
2
s
t = 8.3 ms 725 1030
t = 10 ms
100 % V
RRM
reapplied
560 800
t = 8.3 ms 512 730
Maximum I
2
√t for fusing I
2
√tI
2
t for time t
x
= I
2
√t × √t
x
; 0.1 ≤ t
x
≤ 10 ms, V
RRM
= 0 V 5.6 11.3 kA
2
√s
Low level value of threshold voltage V
F(TO)1
(16.7 % x π x I
F(AV)
< I < π x I
F(AV)
), T
J
maximum 0.76 0.79
V
High level value of threshold voltage V
F(TO)2
(I > π x I
F(AV)
), T
J
maximum 0.92 0.96
Low level forward slope resistance r
t1
(16.7 % x π x I
F(AV)
< I < π x I
F(AV)
), T
J
maximum 6.8 5.8
mΩ
High level forward slope resistance r
t2
(I > π x I
F(AV)
), T
J
maximum 5.0 4.5
Maximum forward voltage drop V
FM
T
J
= 25 °C, I
FM
= 40 A
pk
(26MB)
t
p
= 400 µs 1.11 1.14 V
T
J
= 25 °C, I
FM
= 55 A
pk
(36MB)
Maximum DC reverse current I
RRM
T
J
= 25 °C, per diode at V
RRM
10 µA
RMS isolation voltage base plate V
INS
f = 50 Hz, t = 1 s 2700 V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS 26MB-A 36MB-A UNITS
Junction and storage
temperature range
T
J
, T
Stg
- 55 to 150 °C
Maximum thermal resistance
junction to case per bridge
R
thJC
1.7 1.2
K/W
Maximum thermal resistance,
case to heatsink
R
thCS
Mounting surface, smooth, flat and greased 0.2
Approximate weight 20 g
Mounting torque ± 10 % Bridge to heatsink 2.0 Nm







