Major Ratings and Characteristics
Parameters 60MT.KB 70MT.KB Units
IO60 (75) 70 (90) A
@ TC85 (61) 85 (57) °C
IFSM @ 50Hz 420 480 A
@ 60Hz 440 500 A
I2t @ 50Hz 870 1150 A2s
@ 60Hz 790 1050 A2s
I2√t 8700 11500 A2√s
VRRM range 800 to 1600 V
TSTG range - 40 to 150 °C
TJrange - 40 to 150 °C
Features
Package fully compatible with the industry standard INT-A-
pak power modules series
High thermal conductivity package, electrically insulated case
Outstanding number of power encapsulated components
Excellent power volume ratio, outline for easy connections to
power transistor and IGBT modules
4000 VRMS isolating voltage
UL E78996 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 heavy
duty applications.
60 A
70 A
THREE PHASE BRIDGE
Bulletin I27500 rev. A 05/03
1
MT..KB SERIES
Power Modules
www.irf.com
60-70MT..KB Series
2
Bulletin I27500 rev. A 05/03
www.irf.com
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage VRRM , maximum repetitive VRSM , maximum non- IRRM max.
Type number Cod e peak reverse voltage repetitive peak rev. voltage @ TJ max.
VVmA
80 800 900
100 1000 1100
60-70MT..KB 120 1200 1300 10
140 1400 1500
160 1600 1700
IOMaximum DC output current 60 (75) 70 (90) A 120° Rect conduction angle
@ Case temperature 85 (61) 85 (57) °C
IFSM Maximum peak, one-cycle forward, 420 480 A t = 10ms No voltage
non-repetitive surge current 44 0 50 0 t = 8.3ms reapplied
350 40 0 t = 10ms 100% VRRM
370 420 t = 8.3ms reapplied Initial TJ = TJ max.
I2t Maximum I2t for fusing 870 1150 A2s t = 10ms No voltage
790 1050 t = 8.3ms reapplied
610 80 0 t = 10ms 100% VRRM
560 730 t = 8.3ms reapplied
I2√t Maximum I 2√t for fusing 8700 11300 A2√s t = 0.1 to 10ms, no voltage reapplied
VF(TO)1 Low level value of threshold voltage 0.85 0.86 V (16.7% x π x IF(AV) < I < π x IF(AV)), @ TJ max.
VF(TO)2 High level value of threshold voltage 1.07 1.08 (I > π x IF(AV)), @ TJ max.
rf1 Low level value of forward slope resistance 8.04 7.35 mΩ(16.7% x π x IF(AV) < I < π x IF(AV)), @ TJ max.
rf2 High level value of forward slope resistance 7.08 6.53 (I > π x IF(AV)), @ TJ max.
VFM Maximum forward voltage drop 1.75 1.55 V Ipk = 100A, TJ = 25°C, tp = 400µs single junction
VINS RMS isolation voltage 4000 4000 V TJ = 25°C, all terminal shorted
f = 50Hz, t = 1s
Parameter 60MT.KB 70MT.KB Units Conditions
Forward Conduction
Thermal and Mechanical Specifications
TJMax. junction operating temperature range -40 to 150 °C
Tstg Max. storage temperature range -40 to 150 °C
RthJC Max. thermal resistance, junction to case 0.37 0.29 K/W DC operation per module
2.22 1.75 DC operation per junction
0.40 0.34 120° Rect condunction angle per module
2.42 2.01 120° Rect condunction angle per junction
RthCS Max. thermal resistance, case to heatsink 0.03 K/W Per module
Mounting surface smooth, flat and greased
T Mounting torque ± 10% to heatsink 4 to 6 Nm
to terminal 3 to 4
wt Approximate weight 176 g
Parameter 60MT.KC 70MT.KC Units Conditions
A mounting compound is recommended and
the torque should be rechecked after a
period of 3 hours to allow for the spread of the
compound. Lubricated threads.
60-70MT..KB Series
3
Bulletin I27500 rev. A 05/03
www.irf.com
7 0 MT 160 K B
1 2 3
1- Current rating code: 6 = 60 A Avg.
7 = 70 A Avg.
2- Three phase diodes bridge
3- Essential part number
4- Voltage code: Code x 10 = VRRM (See Voltage Ratings Table)
5 - Generation II
4
Device Code
Ordering Information Table
5
Outline Table (without optional barriers)
All dimensions in millimeters (inches)
A
B
C
D
E
F
NOTE: To order the Optional Hardware see Bulletin I27900
60-70MT..KB Series
4
Bulletin I27500 rev. A 05/03
www.irf.com
Outline Table (with optional barriers)
All dimensions in millimeters (inches)
A
B
C
D
E
F
Fig. 2 - Forward Voltage Drop CharacteristicsFig. 1 - Current Ratings Characteristics
50
60
70
80
90
100
110
120
130
140
150
0 1020304050607080
Maximum Allowable Case Temperature (°C)
60MT..KB Series
Total Output Current (A)
120°
(Rect)
1
10
100
1000
012345
T=25°C
J
Instantaneous Forward Current (A)
Instantaneous Forward Voltage (V)
60MT..KB Series
Per Junction
T = 150°C
J
60-70MT..KB Series
5
Bulletin I27500 rev. A 05/03
www.irf.com
Fig. 7 - Forward Voltage Drop Characteristics
Fig. 6 - Current Ratings Characteristics
50
60
70
80
90
100
110
120
130
140
150
0 20406080100
Maximum Allowable Case Temperature (°C)
Total Output Current (A)
120°
(Rect)
70MT..KB Series
1
10
100
1000
012345
T=25°C
J
Instantaneous Forward Current (A)
Instantaneous Forward Voltage (V)
70MT..KB Series
Per Junction
T = 150°C
J
Fig. 3 - Total Power Loss Characteristics
Fig. 4 - Maximum Non-Repetitive Surge Current Fig. 5 - Maximum Non-Repetitive Surge Current
0 25 50 75 100 125 150
Maximum Allowable Ambient Temperature (°C)
R=0.05K/W-DeltaR
thSA
0.12K/W
0.2K/W
0.3K/W
0.5K/W
0.7K/W
1K/W
1.5K/W
0
25
50
75
100
125
150
175
200
225
250
0 1020304050607080
Total Output Current (A)
Maximum Total Power Loss (W)
120°
(Rect)
60MT..KB Series
T = 150°C
J
100
150
200
250
300
350
400
110100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Initial T = 150°C
@60Hz0.0083s
@50Hz0.0100s
Peak Half Sine Wave Forward Current (A)
60MT..KB Series
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM J
50
100
150
200
250
300
350
400
450
0.01 0.1 1
Peak Half Sine Wave Forward Current (A)
Pulse Train Duration (s)
Maximum Non Repetitive Surge Current
Initial T = 150°C
No Voltage Reapplied
Rated V Reapplied
Versus Pulse Train Duration.
RRM
60MT..KB Series
J
60-70MT..KB Series
6
Bulletin I27500 rev. A 05/03
www.irf.com
Fig. 8 - Total Power Loss Characteristics
Fig. 9 - Maximum Non-Repetitive Surge Current Fig. 10 - Maximum Non-Repetitive Surge Current
0 25 50 75 100 125 150
Maximum Allowable Ambient Temperature (°C)
R=0.05K/W-DeltaR
0.1K
/W
0.2K/W
0.3K/W
0.5K/W
0.7K/W
1.5K/W
thSA
1K/W
0
50
100
150
200
250
300
0
10 20 30 40 50 60 70 80 90
Total Output Current (A)
Maximum Total Power Loss (W)
120°
(Rect)
70MT..KB Series
T=150°C
J
100
150
200
250
300
350
400
450
110100
Peak Half Sine Wave Forward Current (A)
Number Of Equal Amplitude Half Cycle Current Pulses (N)
70MT..KB Series
Initial T = 150°C
@60Hz0.0083s
@50Hz0.0100s
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM J
100
150
200
250
300
350
400
450
500
0.01 0.1 1
Peak Half Sine Wave Forward Current (A)
Pulse Train Duration (s)
Maximum Non Repetitive Surge Current
70MT..KB Series
Initial T = 150°C
No Voltage Reapplied
Rated V Reapplied
RRM
Versus Pulse Train Duration.
J
Fig. 11 - Thermal Impedance ZthJC Characteristic
0.01
0.1
1
10
0.001 0.01 0.1 1 10
Square Wave Pulse Duration (s)
thJC
Transient Thermal Impedance Z (K/W)
70MT..KB Series
60MT..KB Series
Per Junction
Steady State Value
R=2.22K/W
R=1.75K/W
(DC Operation)
thJC
thJC
60-70MT..KB Series
7
Bulletin I27500 rev. A 05/03
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. 05 /03
Data and specifications subject to change without notice.
This product has been designed and qualified for Industrial Level.
Qualification Standards can be found on IR's Web site.
