www.irf.com 1
THREE PHASE BRIDGE Power Modules
25 A
35 A
MT SERIES
Bulletin I2771 rev. E 04/03
Description
A range of extremely compact, encapsulated three
phase bridge rectifiers offering efficient and reli-
able operation. They are intended for use in gen-
eral purpose and instrumentation applications.
Major Ratings and Characteristics
Parameters 26MT 36MT Units
I
O
25 35 A
@ T
C
70 60 °C
I
FSM
@
50Hz 360 475 A
@ 60Hz 375 500 A
I
2
t @ 50Hz 635 1130 A
2
s
@ 60Hz 580 1030 A
2
s
V
RRM
range 100 to 1600 V
T
J
-55 to 150 °C
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
Terminals Solderable as per MIL-STD-202 METHOD 208,
solder: Sn/Pb (60/40); solder temperature: 235-260°C mx. time: 8-10 sec.
2
26MT../36MT.. Series
Bulletin I2771 rev. E 04/03
www.irf.com
I
O
Maximum DC output current 25 35 A 120
o
Rect Conduction angle
@ T
C
70 60 °C
I
FSM
Maximum peak, one-cycle 360 475 A t = 10ms No voltage
non-repetitive forward current 375 500 t = 8.3ms reapplied
Initial T
J
= T
J
max. 300 400 t = 10ms 100% V
RRM
314 420 t = 8.3ms reapplied Initial T
J
= T
J
max.
I
2
t Maximum I
2
t for fusing 635 1130 A
2
s t = 10ms No voltage
Initial T
J
= T
J
max. 580 1030 t = 8.3ms reapplied
450 800 t = 10ms 100% V
RRM
410 730 t = 8.3ms reapplied
I
2
√t Maximum I
2
√t for fusing 6360 11300 A
2
√sI
2
t for time t
x
= I
2
√t x √t
x
; 0.1 <= t
x
<= 10ms, V
RRM
= 0V
V
F(TO) 1
Low-level of threshold voltage 0.88 0.86 V (16.7% x π x I
F(AV)
< I < π x I
F(AV)
), @ T
J
max.
V
F(TO)2
High-level of threshold voltage 1.13 1.03 (I > π x I
F(AV)
), @ T
J
max.
r
t1
Low-level forward slope resistance 7.9 6.3 mΩ (16.7% x π x I
F(AV)
< I < π x I
F(AV)
), @ T
J
max.
r
t2
High-level forward slope resistance 5.2 5.0 (I > π x I
F(AV)
), @ T
J
max.
V
FM
Maximum forward voltage drop 1.26 1.19 V T
J
= 25
o
C, I
FM
= 40A
pk
- Per single Junction
I
RRM
Max. DC reverse current 100 µAT
J
= 25
o
C, per Junction at rated V
RRM
V
INS
RMS isolation voltage 2700 V T
J
= 25
o
C, All terminal shorted f= 50Hz , t= 1s
Parameters 26MT 36MT Units Conditions
Forward Conduction
Voltage V
RRM
, maximum repetitive V
RSM
, maximum non- I
RRM
max.
Type number Code peak reverse voltage repetitive peak rev. voltage @ T
J
max.
VVmA
10 100 150
20 200 275
40 400 500
26MT../ 36MT.. 60 600 725 2
80 800 900
100 1000 1100
120 1200 1300
140 1400 1500
160 1600 1700
ELECTRICAL SPECIFICATIONS
Voltage Ratings
3
26MT../36MT.. Series
Bulletin I2771 rev. E 04/03
www.irf.com
Parameters 26MT 36MT Units Conditions
T
J
Max. junction temperature range -55 to 150
o
C
T
stg
Max. storage temperature range -55 to 150
o
C
R
thJC
Max. thermal resistance DC operation per bridge
junction to case (Based on total power loss of bridge)
R
thCS
Max. thermal resistance, case to
heatsink
wt Approximate weight 20 g
T Mounting Torque ± 10% 2.0 Nm Bridge to heatsink with screw M4
1
32
36 MT 160
26 = 25A (Avg)
36 = 35A (Avg)
1 - Current rating code:
2 - Basic part number
3 - Voltage code ( code x 10 = V
RRM
)
Suggested plugging force:
400 N max; axially applied to faston terminals
All dimensions in millimeters (inches)
Not To Scale
Thermal and Mechanical Specifications
1.42 1.35 K/W
0.2 0.2 K/W Mounting surface, smooth, flat and greased
Outline Table
Ordering Information Table
Device Code
