50 A
90 A
100 A
THREE PHASE AC SWITCH
Bulletin I27504 08/97
1
MT..KB SERIES
Power Modules
www.irf.com
Parameters
54MT.KB 94MT.KB 104MT.KB Units
I
O
50
90
100
A
@ T
C
80
80
80
C
I
FSM
@ 50Hz
390
950
1130
A
@ 60Hz
410
1000
1180
A
I
2
t
@ 50Hz
770
4525
6380
A
2
s
@ 60Hz
700
4130
5830
A
2
s
I
2
t
7700
45250
63800
A
2
s
V
RRM
range
800 to 1600
V
T
STG
range
- 40 to 125
C
T
J
range
- 40 to 125
C
Major Ratings and Characteristics
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
4000 V
RMS
isolating voltage
UL E78996 approved
Description
A range of extremely compact, encapsulated three phase
AC-switches offering efficient and reliable operation. They
are intended for use in general purpose and heavy duty
applications as control motor starter.
54-94-104MT..KB Series
2
Bulletin I27504 08/97
www.irf.com
Voltage
V
RRM
, maximum
V
RSM
, maximum
V
DRM
, max. repetitive
I
RRM
/I
DRM
max.
Type number
Code
repetitive peak
non-repetitive peak
peak off-state voltage,
@ T
J
= 125C
reverse voltage
reverse voltage
gate open circuit
V
V
V
mA
80
800
900
800
100
1000
1100
1000
54MT..KB
120
1200
1300
1200
20 *
140
1400
1500
1400
160
1600
1700
1600
80
800
900
800
100
1000
1100
1000
94/104MT..KB
120
1200
1300
1200
40 *
140
1400
1500
1400
160
1600
1700
1600
Parameter
54MT.KB
94MT.KB 104MT.KB Units Conditions
I
O
Maximum I
RMS
output current
50
90
100
A
For all conduction angle
@ Case temperature
80
80
80
C
I
TSM
Maximum peak, one-cycle
390
950
1130
A
t = 10ms
No voltage
forward, non-repetitive
410
1000
1180
t = 8.3ms
reapplied
on state surge current
330
800
950
t = 10ms
100% V
RRM
345
840
1000
t = 8.3ms
reapplied
Initial
I
2
t
Maximum I
2
t for fusing
770
4525
6380
A
2
s
t = 10ms
No voltage
T
J
= T
J
max.
700
4130
5830
t = 8.3ms
reapplied
540
3200
4510
t = 10ms
100% V
RRM
500
2920
4120
t = 8.3ms
reapplied
I
2
t
Maximum I
2
t for fusing
7700
45250
63800
A
2
s
t = 0.1 to 10ms, no voltage reapplied
V
T(TO)1
Low level value of threshold
1.16
0.99
0.99
V
(16.7% x
x I
T(AV)
< I <
x I
T(AV)
), @ T
J
max.
voltage
V
T(TO)2
High level value of threshold
1.44
1.19
1.15
(I >
x I
T(AV)
), @ T
J
max.
voltage
r
t1
Low level value on-state
12.54
4.16
3.90
m
(16.7% x
x I
T(AV)
< I <
x I
T(AV)
), @ T
J
max.
slope resistance
r
t2
High level value on-state
11.00
3.56
3.48
(I >
x I
T(AV)
), @ T
J
max.
slope resistance
V
TM
Maximum on-state voltage drop
2.68
1.55
1.53
V
I
pk
= 150A, T
J
= 25C
t
p
= 400s single junction
di/dt
Max. non-repetitive rate
150
A/s
T
J
= 25
o
C, from 0.67 V
DRM
, I
TM
=
x I
T(AV)
,
of rise of turned on current
I
g
= 500mA,t
r
< 0.5 s, t
p
> 6 s
I
H
Max. holding current
200
T
J
= 25
o
C, anode supply = 6V,
mA
resistive load, gate open circuit
I
L
Max. latching current
400
T
J
= 25
o
C, anode supply = 6V, resistive load
Forward Conduction
ELECTRICAL SPECIFICATIONS
Voltage Ratings
* For single AC switch
54-94-104MT..KB Series
3
Bulletin I27504 08/97
www.irf.com
Parameter
54MT.KB 94MT.KB 104MT.KB Units Conditions
V
INS
RMS isolation voltage
4000
V
T
J
= 25
o
C all terminal shorted
f = 50Hz, t = 1s
dv/dt
Max. critical rate of rise
500
V/s
T
J
= T
J
max., linear to 0.67 V
DRM
,
of off-state voltage (*)
gate open circuit
Blocking
(*) Available with dv/dt = 1000V/s, to complete code add S90 i.e. 104MT160KBS90.
Triggering
Parameter
54MT.KB 94MT.KB 104MT.KB Units Conditions
P
GM
Max. peak gate power
10
W
T
J
= T
J
max.
P
G(AV)
Max. average gate power
2.5
I
GM
Max. peak gate current
2.5
A
-V
GT
Max. peak negative
10
V
gate voltage
V
GT
Max. required DC gate
4.0
V
T
J
= - 40C Anode supply = 6V, resistive load
voltage to trigger
2.5
T
J
= 25C
1.7
T
J
= 125C
I
GT
Max. required DC gate
270
T
J
= - 40C Anode supply = 6V, resistive load
current to trigger
150
mA
T
J
= 25C
80
T
J
= 125C
V
GD
Max. gate voltage
0.25
V
@ T
J
= T
J
max., rated V
DRM
applied
that will not trigger
I
GD
Max. gate current
6
mA
that will not trigger
Thermal and Mechanical Specifications
Parameter
54MT.KB 94MT.KB 104MT.KB Units Conditions
T
J
Max. junction operating
-40 to 125
C
temperature range
T
stg
Max. storage temperature
-40 to 125
C
range
R
thJC
Max. thermal resistance,
0.52
0.39
0.34
K/W
DC operation per single AC switch
junction to case
1.05
0.77
0.69
DC operation per junction
0.56
0.40
0.36
180 Sine cond. angle per single AC switch
1.12
0.80
0.72
180 Sine cond. angle per junction
R
thCS
Max. thermal resistance,
0.03
K/W
Per module
case to heatsink
Mounting surface smooth, flat and greased
T
Mounting
to heatsink
4 to 6
Nm
torque 10%
to terminal
3 to 4
wt
Approximate weight
225
g
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.
54-94-104MT..KB Series
4
Bulletin I27504 08/97
www.irf.com
10
4
MT
160
K
B
S90
1
2
3
1
-
Current rating code: 5 = 50 A (Avg)
9 = 90 A (Avg)
10 = 100 A (Avg)
2
-
AC Switch
3
-
Essential part number
4
-
Voltage code: Code x 10 = V
RRM
(See Voltage Ratings Table)
5
-
Generation
II
6
-
Critical dv/dt: None = 500V/s (Standard value)
S90
= 1000V/s (Special selection)
4
Device Code
Ordering Information Table
5
6
Sinusoidal conduction @ T
J
max.
Rectangular conduction @ T
J
max.
Devices
Units
180
o
120
o
90
o
60
o
30
o
180
o
120
o
90
o
60
o
30
o
54MT.KB
0.072
0.085
0.108
0.152
0.233
0.055
0.091
0.117
0.157
0.236
K/W
94MT.KB
0.033
0.039
0.051
0.069
0.099
0.027
0.044
0.055
0.071
0.100
104MT.KB
0.027
0.033
0.042
0.057
0.081
0.023
0.037
0.046
0.059
0.082
R Conduction (per Junction)
(The following table shows the increment of thermal resistance R
thJC
when devices operate at different conduction angles than DC)
NOTE: To order the Optional Hardware see Bulletin I27900
54-94-104MT..KB Series
5
Bulletin I27504 08/97
www.irf.com
Outline Table (with optional barriers)
All dimensions in millimeters (inches)
Outline Table (without optional barriers)
All dimensions in millimeters (inches)
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