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THREE PHASE BRIDGE Power Modules
25 A
35 A
MT SERIES
Bulletin I2771 rev. D 08/97
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
IO25 35 A
@ TC70 60 °C
IFSM @ 50Hz 360 475 A
@ 60Hz 375 500 A
I2t @ 50Hz 635 1130 A2s
@ 60Hz 580 1030 A2s
VRRM range 50 to 1600 V
TJ-40 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
2
26MT../36MT.. Series
Bulletin I2771 rev. D 08/97
www.irf.com
IOMaximum DC output current 25 35 A 120 o Rect Conduction angle
@ TC70 60 °C
IFSM Maximum peak, one-cycle 360 475 A t = 10ms No voltage
non-repetitive forward current 375 500 t = 8.3ms reapplied
Initial TJ = TJ max. 300 400 t = 10ms 100% VRRM
314 420 t = 8.3ms reapplied Initial TJ = TJ max.
I2t Maximum I2t for fusing 635 1130 A2s t = 10ms No voltage
Initial TJ = TJ max. 580 1030 t = 8.3ms reapplied
450 800 t = 10ms 100% VRRM
410 730 t = 8.3ms reapplied
I2√t Maximum I2√t for fusing 6360 11300 A2√sI
2
t for time tx = I2√t x √tx ; 0.1 <= tx <= 10ms, VRRM = 0V
VF(TO) 1 Low-level of threshold voltage 0.88 0.86 V (16.7% x π x I F(AV) < I < π x IF(AV)), @ TJ max.
VF(TO)2 High-level of threshold voltage 1.13 1.03 (I > π x IF(AV)), @ TJ max.
rt1 Low-level forward slope resistance 7.9 6.3 mΩ(16.7% x π x I F(AV) < I < π x IF(AV)), @ TJ max.
rt2 High-level forward slope resistance 5.2 5.0 (I > π x IF(AV)), @ TJ max.
VFM Maximum forward voltage drop 1.26 1.19 V TJ = 25 oC, IFM = 40Apk - Per single Junction
IRRM Max. DC reverse current 100 µAT
J
= 25 oC, per Junction at rated VRRM
VINS RMS isolation voltage 2700 V TJ = 25 oC, All terminal shorted f= 50Hz , t= 1s
Parameters 26MT 36MT Units Conditions
Forward Conduction
Voltage VRRM , maximum repetitive VRSM , maximum non- IRRM max.
Type number Code peak reverse voltage repetitive peak rev. voltage @ TJ max.
VVmA
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
ELECTRICAL SPECIFICATIONS
Voltage Ratings
3
26MT../36MT.. Series
Bulletin I2771 rev. D 08/97
www.irf.com
Parameters 26MT 36MT Units Conditions
TJMax. junction temperature range -40 to 150 oC
Tstg Max. storage temperature range -40 to 150 oC
RthJC Max. thermal resistance DC operation per bridge
junction to case (Based on total power loss of bridge)
RthCS Max. thermal resistance, case to
heatsink
wt Approximate weight 20 g
T Mounting Torque ± 10% 2.0 Nm Bridge to heatsink with screw M4
132
36 MT 160
26 = 25A (Avg)
36 = 35A (Avg)
1- Current rating code:
2- Basic part number
3- Voltage code ( code x 10 = VRRM)
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 1.16 K/W
0.2 0. 2 K/ W Mounting surface, smooth, flat and greased
Outline Table
Ordering Information Table
Device Code
4
26MT../36MT.. Series
Bulletin I2771 rev. D 08/97
www.irf.com
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
60
80
100
120
140
160
0 5 10 15 20 25 30
120°
(Rect)
26M T .. Series
Total O utput Current (A)
Maxim um Allow able Case Tem peratu re (°C)
1
10
100
1000
00.511.522.533.54
I nstanta neous Forwar d Voltage (V )
Instantaneous Forward Current (A)
26MT.. Series
Per Junc tion
T = 15O°C
T = 25°C
J
J
0 25 50 75 100 125 150
Ma ximu m Allowab le Am b ient Te mp erature (°C)
10 K/W
7 K/W
5 K/W
4 K/W
3 K/W
2 K/W
1 K/W
R = 0.7 K/W - Delta R
thSA
0
5
10
15
20
25
30
35
40
45
50
55
0 5 10 15 20 25
120°
(Rect)
Total Output Current (A)
Maximum Total Power Loss (W)
26M T.. Series
T = 150°C
J
80
100
120
140
160
180
200
220
240
260
280
300
320
1 10 100
P eak Half Si ne Wave Forw ar d Current (A)
Numbe r O f E qu al A m pl itud e Ha lf C ycle Cu rrent Pu lse s (N )
26MT. . S eries
Initial T = 15 0°C
@ 60 Hz 0.0 083 s
@ 50 Hz 0.0 100 s
At Any R at ed Load C ondition And With
R at ed V App lied Follo wing Surge.
RRM J
80
120
160
200
240
280
320
360
400
0.01 0.1 1
P eak Ha lf Sine Wa ve For ward Current (A)
P ulse Train Duratio n (s)
Max imum Non Repetitive S ur ge Current
26MT.. Series
I n itial T = 150°C
No Voltage Re appli ed
R at ed V Reapplied
RRM
V er s us Pulse Tra in Dura tio n.
J
5
26MT../36MT.. Series
Bulletin I2771 rev. D 08/97
www.irf.com
Fig. 6 - Current Ratings Characteristics Fig. 7 - Forward Voltage Drop Characteristics
Fig. 8 - Total Power Loss Characteristics
Fig. 9 - Maximum Non-Repetitive Surge Current Fig. 10 - Maximum Non-Repetitive Surge Current
50
70
90
110
130
150
0 5 10 15 20 25 30 35 40
120°
(Rect)
36MT.. Series
M axim um Allowable Case Tem perature (°C)
Total Output Current (A)
1
10
100
1000
00.511.522.533.54
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
36M T.. Series
T = 15O °C
T = 25°C
J
J
Per Junction
0 25 50 75 100 125 150
M aximum Allowable Am bient Temperature (°C)
R = 0.7 K/W - Delta R
thSA
10 K/W
7 K/W
5 K/W
4 K/W
3 K/W
2 K/W
1 K/W
0
10
20
30
40
50
60
70
80
0 5 10 15 20 25 30 35
120°
(Rect)
Total Output Cu rre nt (A)
Maximum Total Power Loss (W)
36M T.. Series
T = 150°C
J
100
150
200
250
300
350
400
450
1 10 100
P eak Ha lf S ine Wa v e Forward Current (A )
Nu m be r Of Eq ual A m pl itu de H a lf Cyc le Current P ul ses (N )
36MT.. Series
Initial T = 150°C
@ 60 Hz 0 .0083 s
@ 50 Hz 0 .0100 s
At Any Rat ed Load Co ndi tion And Wit h
Rated V Applied Follow in g Surge.
RRM J
100
150
200
250
300
350
400
450
500
0.01 0.1 1
P eak Half Si ne W ave Forward Curre nt (A)
Pulse Tra in Du ration (s)
Maxim um Non Repetitiv e Surg e Cur rent
Initial T = 15 0°C
No Voltage Reapplie d
Rate d V Re a ppli ed
RRM
V ersus P ulse Train Duration .
J
36MT.. Ser i e s
6
26MT../36MT.. Series
Bulletin I2771 rev. D 08/97
www.irf.com
Fig. 11 - Thermal Impedance ZthJC Characteristics
Fig. 12 - Thermal Impedance ZthJC Characteristics
0.001
0.01
0.1
1
10
0.001 0.01 0.1 1 10 100
S quare Wave P ulse Dura tion (s)
36M T.. Series
Per Bridge
T ransient Therm al Im pedance Z (K/W )
thJC
S teady St at e Value:
R = 1.16 K/W
( D C Operat io n )
thJC
0.001
0.01
0.1
1
10
0.001 0.01 0.1 1 10 100
S quare W ave Pulse Duration (s)
26M T.. Series
Per Br idg e
T ransient Therma l Im pedance Z ( K/W)
thJC
S teady State Value:
R = 1 .42 K /W
(DC Operation)
thJC
