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
IO50 90 100 A
@ TC80 80 80 °C
IFSM @ 50Hz 390 950 1130 A
@ 60Hz 410 1000 1180 A
I2t @ 50Hz 770 4525 6380 A2s
@ 60Hz 700 4130 5830 A2s
I2√t 7700 45250 63800 A2√s
VRRM range 800 to 1600 V
TSTG range - 40 to 125 °C
TJrange - 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 VRMS 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
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Voltage VRRM, maximum VRSM, maximum VDRM, max. repetitive IRRM /IDRMmax.
Type number Code repetitive peak non-repetitive peak peak off-state voltage, @ TJ = 125°C
reverse voltage reverse voltage gate open circuit
VVVmA
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
IOMaximum IRMS output current 50 90 10 0 A For all conduction angle
@ Case temperature 80 80 80 °C
ITSM Maximum peak, one-cycle 3 9 0 9 5 0 1130 A t = 10ms No voltage
forward, non-repetitive 410 1000 1180 t = 8.3ms reapplied
on state surge current 33 0 80 0 9 50 t = 10ms 100% V RRM
345 840 1000 t = 8.3ms reapplied Initial
I2t Maximum I2t for fusing 770 4525 6380 A2s t = 10ms No voltage TJ = TJ max.
700 4130 5830 t = 8.3ms reapplied
540 3200 4510 t = 10ms 100% V RRM
500 2920 4120 t = 8.3ms reapplied
I2√t Maximum I2√t for fusing 7700 45250 63800 A2√s t = 0.1 to 10ms, no voltage reapplied
VT(TO)1 Low level value of threshold 1.16 0.99 0.99 V (16.7% x π x IT(AV) < I < π x IT(AV)), @ TJ max.
voltage
VT(TO)2 High level value of threshold 1.44 1.19 1.15 (I > π x IT(AV)), @ T J max.
voltage
rt1 Low level value on-state 12.54 4.16 3.90 mΩ(16.7% x π x IT(AV) < I < π x IT(AV)), @ TJ max.
slope resistance
rt2 High level value on-state 11.00 3.56 3.48 (I > π x I T(AV)), @ TJ max.
slope resistance
VTM Maximum on-state voltage drop 2.68 1.55 1.53 V Ipk = 150A, TJ = 25°C
tp = 400µs single junction
di/dt Max. non-repetitive rate 150 A/µs TJ = 25oC, from 0.67 VDRM, ITM = π x IT(AV),
of rise of turned on current Ig = 500mA,tr < 0.5 µs, tp > 6 µs
IHMax. holding current 200 TJ = 25oC, anode supply = 6V,
mA resistive load, gate open circuit
ILMax. latching current 400 TJ = 25oC, 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
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Parameter 54MT.KB 94MT.KB 104MT.KB Units Conditions
VINS RMS isolation voltage 4000 V TJ = 25 oC all terminal shorted
f = 50Hz, t = 1s
dv/dt Max. critical rate of rise 50 0 V/µs TJ = TJ max., linear to 0.67 VDRM,
of off-state voltage (*) gate open circuit
Blocking
(*) Available with dv/dt = 1000V/µs, to complete code add S90 i.e. 104MT160KBS90.
Triggering
Parameter 54MT.KB 94MT.KB 104MT.KB Units Conditions
PGM Max. peak gate power 10 W TJ = TJ max.
PG(AV) Max. average gate power 2.5
IGM Max. peak gate current 2.5 A
-VGT Max. peak negative 10 V
gate voltage
VGT Max. required DC gate 4.0 V TJ = - 40°C Anode supply = 6V, resistive load
voltage to trigger 2.5 TJ = 25°C
1.7 TJ = 125°C
IGT Max. required DC gate 270 TJ = - 40°C Anode supply = 6V, resistive load
current to trigger 150 mA TJ = 25°C
80 TJ = 125°C
VGD Max. gate voltage 0.25 V @ TJ = TJ max., rated VDRM applied
that will not trigger
IGD Max. gate current 6 mA
that will not trigger
Thermal and Mechanical Specifications
Parameter 54MT.KB 94MT.KB 104MT.KB Units Conditions
TJMax. junction operating -40 to 125 °C
temperature range
Tstg Max. storage temperature -40 to 125 °C
range
RthJC 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
RthCS 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
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10 4 MT 160 K B S90
123
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 = VRRM (See Voltage Ratings Table)
5- Generation II
6- Critical dv/dt: None = 500V/µs (Standard value)
S90 = 1000V/µs (Special selection)
4
Device Code
Ordering Information Table
56
Sinusoidal conduction @ T J max. Rectangular conduction @ TJ max.
Devices Units
180o120o90o60o30o180o120o90o60o30o
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 RthJC 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
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Outline Table (with optional barriers)
All dimensions in millimeters (inches)
Outline Table (without optional barriers)
All dimensions in millimeters (inches)
Bulletin I27900 rev. A 12/99 1
Optional Hardware
MT..KB Series
GATE LEADS
Ident No. Device Series Description
6443.2112.AA 51, 91, 111MT..KB 2 DX connectors with yellow and white leads
6443.2113.AA 52, 92, 112MT..KB 1 SX + 1 DX connectors with yellow and white leads
6443.2114.AA 53, 93, 113MT..KB 1 SX + 2 DX connectors with yellow and white leads
54, 94, 104MT..KB
Ident No. 6444.0211.AA for all MT..KB Series
Barriers Mounting Instructions
Coat uniformly the groove on the plastic box
with a silicon adhesive. Insert the barriers into
the groove on the plastic box. Cure the silicon
adhesive according to its technical notes.
We suggest the use of DOW CORNING
Silastic 744RTV (time curing 30 min. at room
temperature).
BARRIERS
All dimensions are in millimeters (inches)
All dimensions are in millimeters (inches)
54-94-104MT..KB Series
6
Bulletin I27504 08/97
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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
Fig. 1 - Current Ratings Characteristic
60
70
80
90
100
110
120
130
0 102030405060
Maximum Allowable Case Temperature (°C)
RMS O utp ut Cur r ent (A)
54MT..KB Series
D evice Fully Turned-on
Per Single AC Switch
F or all Conduction Angles
1
10
100
1000
0123456
T = 25°C
J
Instantaneou s On -state C u rre n t ( A)
In stantaneou s On-state Voltage (V)
T = 125°C
J
54MT..KB Series
Per Junction
0 25 50 75 100 125
Maximum Al lowable Ambient Temperat ure ( °C)
R = 0.05 K/W - Delta R
0.1 K/W
0.2 K/W
0.3 K/W
0.5 K/W
0.7 K/W
1 K/W
2 K/W
thSA
0
50
100
150
200
250
300
350
0102030405060
180°
120°
90°
60°
30°
Conduction Angle
RMS O utput Current (A)
Maximum Total Power Loss (W)
(Per Total Module)
54MT..KB Series
T = 125°C
Device Fully
Turned-on
J
150
175
200
225
250
275
300
325
350
1 10 100
Number O f Equal Amplitude Half Cycle Current Pulses (N)
Pe a k H alf Sin e Wave On-stat e Current (A)
I n itial T = 125°C
@ 60 Hz 0.0 083 s
@ 50 Hz 0.0 100 s
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM J
54MT..KB Series
Per Junction
150
200
250
300
350
400
0.01 0.1 1
Pe a k Half Sine Wave On-state Current ( A)
P ulse T rain D uration ( s )
Maximum Non Repetitive Surge Current
V ers us Pulse Train Duration. Control
Of Conduction May Not Be M aintained.
54MT..KB Series
P er Junct ion
Initial T = 125°C
No Voltage Reapplied
Rated V Reapplied
J
RRM
54-94-104MT..KB Series
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Bulletin I27504 08/97
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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
Fig. 6 - Current Ratings Characteristic
1
10
100
1000
012345
T = 25°C
J
In stantaneous On-state Current (A)
Ins tant aneous On -state Voltage (V)
94MT..KB Series
Per Junction
T = 125°C
J
350
400
450
500
550
600
650
700
750
110100
N um ber O f E qu al A m p litud e Half C ycle Cu rre nt P uls es (N )
Pe a k Ha l f S ine Wave On -stat e Curr e n t (A)
94MT..KB Series
Per Junction
At Any Rated Load C ondition And W ith
Rated V A pplied Following Surge.
RRM
Init ia l T = 1 25°C
@ 60 Hz 0. 0083 s
@ 50 Hz 0. 0100 s
J
300
400
500
600
700
800
900
1000
0.01 0.1 1
Peak Half Sine Wave On-state Current ( A)
Pulse Train Duration (s)
Maxim um Non Repetitive S urge Current
Versus Pulse Train Duration. Control
Of Conduction May Not B e Maintained.
94 MT..KB Series
P er Junc tion
I n itia l T = 1 25 °C
No Voltage Reapplied
Rated V Reapplied
J
RRM
50
60
70
80
90
100
110
120
130
0 20406080100120
Maximum Allowable Case Temperature (°C)
94 MT..KB Series
Device Fully Turned-on
RM S Output C urren t (A)
P er Single AC Switch
F or all Condu ction Angles
0 255075100125
Max imum Allowable Am bient Temperature (°C)
R = 0.03 K/W - Delta R
0.05 K/W
0.15 K/W
thSA
0.3 K/W
0.5 K/W
0.7 K/W
1 K/W
1.5 K/W
0
50
100
150
200
250
300
350
400
450
0102030405060708090100
180°
120°
90°
60°
30°
Conduction Angle
RMS Output Current (A)
Maximum Total Power Loss (W)
(Per Total Module)
94MT..KB Series
T = 125°C
Device Fully
Turned-on
J
54-94-104MT..KB Series
8
Bulletin I27504 08/97
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Fig. 12 - Forward Voltage Drop Characteristics
Fig. 13 - Total Power Loss Characteristics
Fig. 14 - Maximum Non-Repetitive Surge Current Fig. 15 - Maximum Non-Repetitive Surge Current
Fig. 11 - Current Ratings Characteristic
400
500
600
700
800
900
1000
1100
1 10 100
N um b er O f E q ua l A mplitud e H a lf C ycle Curren t P ulses (N )
Peak Ha lf S i ne Wave On-state Curr ent ( A)
104MT..KB Series
P er Juncti on
I n itial T = 125°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
A t Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM J
60
70
80
90
100
110
120
130
0 20406080100120
Maximum A llowable Case Tem peratur e (°C)
RM S Output Curre nt (A)
Per Single AC Switch
104MT..KB Series
De vice Fu lly Tu rne d-on
F or all C ondu c tion A ngles
1
10
100
1000
012345
T = 25°C
J
I nstantaneo us On-state Current (A)
Ins tant aneou s On-s tat e Vo ltag e (V)
104MT..KB Series
Pe r Junc tion
T = 125°C
J
0 255075100125
Maximum A llo wable Am bient Temperatu re (°C)
R = 0.03 K/W - Delta R
0.05 K/W
0.15 K/W
0.3 K/W
0.5 K/W
0.7 K/W
1 K/W
1.5 K/W
thSA
0
50
100
150
200
250
300
350
400
450
500
0 20406080100120
180°
120°
90°
60°
30°
Conduction Angle
RMS Output Current (A)
Maximum Total Power Loss (W)
(Per Total Module)
104MT..KB Series
T = 125°C
D e vice Fully
Turned-on
J
400
500
600
700
800
900
1000
1100
1200
0.01 0.1 1
Pe a k H a l f S in e Wav e On-state Current (A)
Puls e Tra in Duration ( s )
Maxim um Non Repetitive S urge Current
Versus Pulse Train Duration. Control
Of Conduction May Not Be Maintained.
I n itia l T = 1 25 °C
No Voltage Reapplied
Rated V Reapplied
RRM
J
10 4M T..KB Serie s
P er Junc tion
54-94-104MT..KB Series
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Bulletin I27504 08/97
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Fig. 16 - Thermal Impedance ZthJC Characteristics
Fig. 17 - Gate Characteristics
0.001
0.01
0.1
1
10
0.001 0.01 0.1 1 10
S quare W ave Pulse Dur ation ( s)
thJC
T ra n sient T hermal Im pe da nc e Z (K/ W )
P er Junction
104MT..KB Series
94MT..KB Series 54MT..KB Series
Steady State Value
R = 1.05 K/W
R = 0.77 K/W
R = 0.69 K/W
(DC Operation)
thJC
thJC
thJC
0.1
1
10
100
0.001 0.01 0.1 1 10 100 1000
(b) (a)
Rectangul ar gat e puls e
(4) (3) (2) (1)
(1) PG M = 100 W , t p = 50 0 µs
(2) PGM = 50 W, tp = 1 ms
(3 ) PGM = 20 W, tp = 25 ms
(4) PGM = 10 W, tp = 5 ms
In st an tan e ous G at e C u rre nt (A)
In s tantane ous G ate Voltage (V)
TJ = - 40 °C
TJ = 25 °C
TJ = 125 °C
VGD IGD Frequency Lim ite d by PG(AV)
rated di/dt: 20 V, 30 ohm s
tr = 0.5 µs, tp >= 6 µ s
<= 30% rated di/dt: 20 V, 65 ohm s
tr = 1 µ s, tp >= 6 µs
a) Recomm ended loa d line for
b) Recomm ended load line for
54/ 94/ 104M T..KB Series
