Page 1
Bulletin I2771 rev. D 08/97
MT SERIES
THREE PHASE BRIDGE Power Modules
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
Description
A range of extremely compact, encapsulated three
phase bridge rectifiers offering efficient and reliable
operation. They are intended for use in general
purpose and instrumentation applications.
Major Ratings and Characteristics
Parameters 26MT 36MT Units
25 A
35 A
I
O
@ T
C
@ 50Hz 360 475 A
I
FSM
@ 60Hz 375 500 A
2
I
t @ 50Hz 635 1130 A2s
@ 60Hz 580 1030 A
V
range 50 to 1600 V
RRM
T
J
25 35 A
70 60 °C
-40 to 150 °C
2
s
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Page 2
26MT../36MT.. Series
Bulletin I2771 rev. D 08/97
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage V
Type number Code peak reverse voltage repetitive peak rev. voltage
550 75
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
Forward Conduction
Parameters 26MT 36MT Units Conditions
I
Maximum DC output current 25 35 A 120o Rect Conduction angle
O
@ T
C
I
Maximum peak, one-cycle 360 475 A t = 10ms No voltage
FSM
non-repetitive forward current 375 500 t = 8.3ms reapplied
= TJ max. 300 400 t = 10ms 100% V
Initial T
J
2
t Maximum I2t for fusing 635 1130 A2s t = 10ms No voltage
I
= TJ max. 580 1030 t = 8.3ms reapplied
Initial T
J
2
I
√t Maximum I2√t for fusing 6360 11300 A2√sI2t for time t
V
Low-level of threshold voltage 0.88 0.86 V (16.7% x π x I
F(TO) 1
V
High-level of threshold voltage 1.13 1.03 (I > π x I
F(TO)2
r
Low-level forward slope resistance 7.9 6.3 mΩ (16.7% x π x I
t1
r
High-level forward slope resistance 5.2 5.0 (I > π x I
t2
V
Maximum forward voltage drop 1.26 1.19 V TJ = 25 oC, IFM = 40A
FM
I
Max. DC reverse current 100 µATJ = 25 oC, per Junction at rated V
RRM
V
RMS isolation voltage 2700 V TJ = 25 oC, All terminal shorted f= 50Hz , t= 1s
INS
, maximum repetitive V
RRM
VVmA
70 60 °C
314 420 t = 8.3ms reapplied Initial TJ = TJ max.
450 800 t = 10ms 100% V
410 730 t = 8.3ms reapplied
, maximum non- I
RSM
RRM
RRM
2
= I
√t x √ tx ; 0.1 <= tx <= 10ms, V
x
), @ TJ max.
F(AV)
), @ TJ max.
F(AV)
F(AV)
F(AV)
< I < π x I
< I < π x I
), @ TJ max.
F(AV)
), @ TJ max.
F(AV)
- Per single Junction
pk
RRM
max.
RRM
@ TJ max.
= 0V
RRM
2
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Page 3
26MT../36MT.. Series
Bulletin I2771 rev. D 08/97
Thermal and Mechanical Specifications
Parameters 26MT 36MT Units Conditions
T
Max. junction temperature range -40 to 150
J
Max. storage temperature range -40 to 150
T
stg
Max. thermal resistance DC operation per bridge
R
thJC
junction to case (Based on total power loss of bridge)
Max. thermal resistance, case to
R
thCS
heatsink
wt Approximate weight 20 g
T Mounting Torque ± 10% 2.0 Nm Bridge to heatsink with screw M4
1.42 1.16 K/W
0.2 0 .2 K/W Mounting surface, smooth, flat and greased
Ordering Information Table
o
C
o
C
Device Code
Outline Table
36 MT 160
132
1 - Current rating code:
2 - Basic part number
3 - Voltage code ( code x 10 = V
26 = 25A (Avg)
36 = 35A (Avg)
)
RRM
Suggested plugging force:
400 N max; axially applied to faston terminals
Not To Scale
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All dimensions in millimeters (inches)
3
Page 4
26MT../36MT.. Series
Bulletin I2771 rev. D 08/97
160
26MT .. Series
1000
26MT.. Series
140
100
120
120°
(Rect)
Pe r Junction
100
10
80
Maximum Allowable Case Tem perature (°C)
60
0 5 10 15 20 25 30
Total Output Current (A)
Instantaneous Forward Current (A)
1
00.511.522.533.54
Instantaneous Forw ar d Voltage (V)
T = 15O°C
J
T = 25°C
J
Fig. 1 - Current Ratings Characteristics Fig. 2 - Forward Voltage Drop Characteristics
55
1
26MT.. Series
50
T = 150°C
J
45
40
35
30
25
20
15
10
Maxi mum Total Power Loss (W)
120°
(Rect)
3
4
5
7
1
R
K
t
h
/
W
S
A
=
0
.
2
K
/
W
K
/
W
K
/
W
K
/
W
K
/
W
0
K
/
W
7
K
/
W
-
D
e
l
t
a
R
5
0
0 5 10 15 20 25
Total Output Current (A)
0 25 50 75 100 125 150
Maxim um Allowab le Am bient Te mp erature (°C)
Fig. 3 - Total Power Loss Characteristics
320
At Any Rated Load Condition And With
300
Rated V Applied Following Surge.
280
260
240
RRM
Initial T = 150°C
J
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
220
200
180
160
140
120
26MT. . S eries
100
Pe ak Half Sine Wave Forward Current (A)
80
1 10 100
Num be r Of E qu al A m plitud e Ha lf C ycle Cu rrent Pu lses (N)
400
Maximum Non R epetitive Surge C urrent
360
320
Versus Pulse Train Duratio n.
No Voltag e Reappli ed
Rated V Reapplied
280
240
200
160
120
26 MT.. S e ries
Pe ak Half S ine Wa ve Forward Current (A)
80
0.01 0.1 1
Pulse Tr ain Duration ( s)
Fig. 4 - Maximum Non-Repetitive Surge Current Fig. 5 - Maximum Non-Repetitive Surge Current
4
Initial T = 150°C
J
RRM
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Page 5
26MT../36MT.. Series
Bulletin I2771 rev. D 08/97
150
36MT.. Series
130
110
120°
(Rect)
90
70
Maximum Allowable Case Temperature (°C)
50
0 5 10 15 20 25 30 35 40
Total Output Current (A)
Fig. 6 - Current Ratings Characteristics
80
36MT.. Series
70
T = 150°C
J
60
50
40
120°
(Rect)
30
20
Maximum Total Power Loss (W)
10
0
0 5 10 15 20 25 30 35
Total Output Current (A)
1000
100
10
Instantaneous Forward Current (A)
1
R
t
h
S
=
A
0
1
.7
K
/
W
K
/W
- Delta
2
K
/
W
3
K
/
W
4
K
/
W
5
K
/
W
7
K
/
W
1
0
K
/
W
R
0 25 50 75 100 125 150
Maximum Allowable Ambient Temperature (°C)
Fig. 8 - Total Power Loss Characteristics
36MT.. Series
Per Junction
T = 15O°C
J
T = 25°C
J
00.511.522.533.54
Instantaneous Forward Voltage (V)
Fig. 7 - Forward Voltage Drop Characteristics
450
At Any R ated Loa d Condi tion And With
Rated V Applie d Following Surge.
400
350
RRM
Initial T = 150°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
300
250
200
150
Pe ak Half S ine Wave Forward Current (A)
36MT.. Series
100
1 10 100
Num be r Of E q ua l A m pl itude Half Cycl e C urre nt P uls es (N )
Fig. 9 - Maximum Non-Repetitive Surge Current
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500
Maximum Non Repetitive Surge C ur rent
J
450
400
Versus Pulse Tr ain Duration.
Initial T = 150°C
No Voltage Reapplied
Rated V Reapplied
J
RRM
350
300
250
200
150
Peak Half Si ne Wave Forward Current (A)
36 MT.. S e ries
100
0.01 0.1 1
Puls e Train Du ration (s )
Fig. 10 - Maximum Non-Repetitive Surge Current
5
Page 6
26MT../36MT.. Series
Bulletin I2771 rev. D 08/97
10
Steady State Value:
R = 1.42 K/W
1
0.1
thJC
(DC Operation)
thJC
0.01
Transient Thermal Impedance Z (K/W)
0.001
0.00 1 0.01 0.1 1 10 100
Square Wave Pulse Duration (s)
Fig. 11 - Thermal Impedance Z
10
Steady State Value:
R = 1.16 K/W
thJC
0.01
Transient Therm al Impedance Z (K/W )
0.001
thJC
(D C Oper at io n )
1
0.1
0.001 0.01 0.1 1 10 100
Square Wave Pulse Duration (s)
Fig. 12 - Thermal Impedance Z
thJC
thJC
26MT.. Series
Per Br idge
Characteristics
36MT.. Series
Per Bridge
Characteristics
6
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