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Bulletin I27102 rev. B 03/01
IRK. SERIES
SCR / SCR and SCR / DIODE Features
High voltage Electrically isolated base plate 3000 V RMS isolating voltage Industrial standard package Simplified mechanical designs, rapid assembly High surge capability Large creepage distances UL E78996 approved
MAGN-A-pak Power Modules
170A 230A 250A
Description
This new IRK serie of MAGN-A-paks modules uses high voltage power thyristor/thyristor and thyristor/diode in seven basic configurations. The semiconductors are electrically isolated from the metal base, allowing common heatsinks and compact assemblies to be built. They can be interconnected to form single phase or three phase bridges or as AC-switches when modules are connected in anti-parallel mode. These modules are intended for general purpose applications such as battery chargers, welders and plating equipment and where high voltage and high current are required (motor drives, U.P.S., etc.).
Major Ratings and Characteristics
Parameters
IT(AV) @ 85C IT(RMS) ITSM I2 t @ 50Hz @ 60Hz @ 50Hz @ 60Hz I2t VDRM / VRRM TJ range IRK.170.. 170 377 5100 5350 131 119 1310 IRK.230.. IRK.250.. Units 230 510 7500 7850 280 256 2800 250 555 8500 8900 361 330 3610 A A A A KA2s KA2s KA2s V
o
Up to1600 Up to 2000 Up to1600 -40 to 130
C
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1
IRK.170, .230, .250 Series
Bulletin I27102 rev. B 03/01
ELECTRICAL SPECIFICATIONS Voltage Ratings
Type number Voltage Code VRRMVDRM , maximum repetitive peak reverse and off-state blocking voltage V
400 800 1200 1400 1600 800 1200 1600 1800 2000
VRSM , maximum non-repetitive peak reverse voltage V
500 900 1300 1500 1700 900 1300 1700 1900 2100
IRRM IDRM max @ 130C mA
50
IRK.170IRK.250-
04 08 12 14 16 08 12 16 18 20
IRK.230-
50
On-state Conduction
Parameters
IT(AV) Maximum average on-state current @ Case temperature IT(RMS) Maximum RMS on -state current ITSM Maximum peak, one-cycle on-state, non-repetitive surge current IRK.170 IRK.230 IRK.250 Units Conditions 170 85 377 5100 5350 4300 4500 I2t Maximum I2t for fusing 131 119 92.5 I2t Maximum I2t for fusing 84.4 1310 0.89 1.12 1.34 0.96 1.60 500 1000 230 85 510 7500 7850 6300 6600 280 256 198 181 2800 1.03 1.07 0.77 0.73 1.59 500 1000 250 85 555 8500 8900 7150 7500 361 330 255 233 3610 0.97 1.00 0.60 0.57 1.44 500 1000 V A
o
180o conduction, half sine wave as AC switch t = 10ms No voltage t = 8.3ms reapplied t = 10ms 100% VRRM Sinusoidal half wave, No voltage initial TJ = TJ max 100% VRRM t = 8.3ms reapplied
C
A A
KA2s t = 10ms t = 10ms
t = 8.3ms reapplied t = 8.3ms reapplied KA2s t = 0.1 to 10ms, no voltage reapplied V (16.7% x x IT(AV) < I < x IT(AV)), TJ = TJ max. (I > x IT(AV)), TJ = TJ max. m (16.7% x x IT(AV) < I < x IT(AV)), TJ = TJ max. (I > x IT(AV)), TJ = TJ max. ITM = x IT(AV), TJ = TJ max., 180o conduction Av. power = VT(TO) x IT(AV) + rf x (IT(RMS))2
VT(TO)1Low level value of threshold voltage VT(TO)2High level value of threshold voltage rt1 rt2 VTM IH IL Low level on-state slope resistance High level on-state slope resistance Maximum on-state voltage drop Maximum holding current Maximum latching current
mA Anode supply=12V, initial IT=30A, TJ=25oC Anode supply=12V, resistive load=1 gate pulse: 10V, 100s, TJ = 25C
Switching
Parameters
td tr tq Typical delay time Typical rise time Typical turn-off time IRK.170 IRK.230 IRK.250 Units Conditions 1.0 2.0 50 - 150 s s TJ = 25oC, Gate Current=1A dIg/dt=1A/s Vd = 0,67% VDRM ITM = 300 A ; -dI/dt=15 A/s; TJ = TJ max ; Vr = 50 V; dV/dt = 20 V/s ; Gate 0 V, 100 ohm
2
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IRK.170, .230, .250 Series
Bulletin I27102 rev. B 03/01
Blocking
Parameters
IRRM Max. peak reverse and off-state IDRM leakage current VINS RMS isolation voltage dv/dt Critical rate of rise of off-state voltage 3500 1000 V 50Hz, circuit to base, all termin. shorted, 25C,1s V/s TJ = TJ max, exponential to 67% rated VDRM IRK.170 IRK.230 IRK.250 Units Conditions 50 mA TJ =TJ max.
Triggering
Parameters
I PGM
IRK.170 IRK.230 IRK.250 Units Conditions 10.0 2.0 3.0 5.0 4.0 3.0 2.0 350 200 100 W W A V V V V mA mA mA V tp 5ms, f = 50Hz, tp 5ms, tp 5ms, TJ = - 40oC TJ = 25oC TJ = TJ max. TJ = - 40oC TJ = 25oC TJ = TJ max. @ TJ= TJ max., rated VDRM applied Anode supply = 12V, resistive load ; Ra = 1 TJ = TJ max. TJ = TJ max. TJ = TJ max. TJ = TJ max. Anode supply = 12V, resistive load ; Ra = 1
Maximum peak gate power
PG(AV) Maximum average gate power +IGM Maximum peak gate current
-VGT Max. peak negative gate voltage VGT Maximum required DC gate voltage to trigger IGT Maximum required DC gate current to trigger VGD IGD di/dt Maximum gate voltage that will not trigger Maximum gate current that will not trigger Max rate of rise of turned-on current
0.25 10.0 500
mA @ TJ= TJ max., rated VDRM applied A/s @ TJ= TJ max., ITM = 400 A rated VDRM applied
Thermal and Mechanical Specifications
Parameters
TJ Junction operating temperature Tstg Storage temperature range RthJC Maximum thermal resistance junction to case RthC-S Thermal resistance, case to heatsink T Mounting tourque 10% MAP to heatsink Busbar to MAP wt Approximate weight Casestyle 4 to 6 4 to 6 500 17.8 MAGN-A-pak 0.17 0.02 IRK.170 IRK.230 IRK.250 Units Conditions -40 to 130 -40 to 150 0.125 0.02 0.125 0.02
o o
C C
K/W Per junction, DC operation K/W Mounting surface flat, smooth and greased (per module) A mounting compound is recommended and the
Nm tourque should be rechecked after a period of Nm about 3 hours to allow for the spread of the compound g oz
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IRK.170, .230, .250 Series
Bulletin I27102 rev. B 03/01
R Conduction (per Junction)
(The following table shows the increment of thermal resistance RthJC when devices operate at different conduction angles than DC)
Devices
IRK.170IRK.230IRK.250-
Sinusoidal conduction @ TJ max.
180o 0.009 0.009 0.009 120o 0.010 0.010 0.010 90o 0.010 0.010 0.014 60o 0.020 0.020 0.020 30o 0.032 0.032 0.032 180o 0.007 0.007 0.007
Rectangular conduction @ TJ max.
120o 0.011 0.011 0.011 90o 0.015 0.015 0.015 60o 0.020 0.020 0.020 30o 0.033 0.033 0.033
Units
K/W
MAGN-A-paks Suitable for Current Source Inverters
Thyristor VDRM VRRM
1400 1400 1600 1600 1800 1800 2000 2000 1500 1500 1700 1700 1900 1900 2100 2100
Diode VRSM VRRM VRSM
2000 2000 2500 2500 2800 2800 3200 3200
IT(AV) / IF(AV) @ TC 170A @ 85C
IRKH170-14D20 IRKL170-14D20 IRKH170-16D25 IRKL170-16D25 Not Available Not Available Not Available Not Available
230A @ 85C
IRKH230-14D20 IRKL230-14D20 IRKH230-16D25 IRKL230-16D25 IRKH230-18D28 IRKL230-18D28 IRKH230-20D32 IRKL230-20D32
250A @ 85C
IRKH250-14D20 IRKL250-14D20 IRKH250-16D25 IRKL250-16D25 Not Available Not Available Not Available Not Available
For all other parameters and characteristics refer to standard IRKH... and IRKL... modules.
Application Notes
Current Source Inverters
Current-Source Inverters (also known as Sequentially Commutated Inverters) use Phase Control (as opposed to Fast) Thyristors and Diodes.
3xIR L K ...
M
3xIR H K ...
The advantages of Current Source Inverters lie in their ease control, absence of large commutation inductances and limited fault currents. Their simple construction, illustrated by the circuit on the left, is further enhanced by the use of MAGN-A-paks which allow the power circuit of an Inverter to be realised with 6 capacitors and 9 MAGN-A-paks all mounted on just one heatsink. The optimal design of Current Source Inverters requires the use of Diodes with blocking voltages greater than those of the thyristors . This departure from conventional half-bridge modules is catered for by MAGN-A-pak range with Thyristors up to 2000V and Diodes up to 3200V.
3xIR T K ...
Current Source Inverter using 9 MAGN-A-paks
4
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IRK.170, .230, .250 Series
Bulletin I27102 rev. B 03/01
Ordering Information Table
Device Code
IRK
1 1 2 3 4 5
TT 2502 140
2 3
4
D20
5
-
Module type Circuit configuration (See Outline Table) Current rating Voltage code: Code x 100 = VRRM (See Voltage Ratings Table) Current Source Inverters Types
Outline Table
- All dimensions in millimeters (inches) - Dimensions are nominal - Full engineering drawings are available on request - UL identification number for gate and cathode wire: UL 1385 - UL identification number for package: UL 94V0 IRKT... IRKH... IRKL... IRKU... IRKV... IRKK... IRKN...
NOTE: To order the Optional Hardware see Bulletin I27900 www.irf.com 5
IRK.170, .230, .250 Series
Bulletin I27102 rev. B 03/01
Maximum Allowable Case Temperature (C)
Maximum Allo wable Case Temperature (C)
130 120 110 100 90 80 70 60 0 40
IRK.170.. Series R thJC (DC) = 0.17 K/W
130 120 110 100 90 30 80 70 60 0 50 100 150 200 250 300 Average On-state Current (A) 60 90 120 180 DC
Conduction Period
IRK.170.. Series R thJC (DC) = 0.17 K/W
Conduction Angle
30
60 90 120 180 80 120 160 200
Average On-state Current (A)
Fig. 1 - Current Ratings Characteristics
300 250 200 150 100 50 0 0 40 80 120 160 200 Average On-state Current (A) 180 120 90 60 30
Fig. 2 - Current Ratings Characteristics
350 300 250 200 RMS Limit 150 100 50 0 0 50 100 150 200 250 300 Average On-state Current (A)
Conduction Period
Maximum Average On-state Power Loss (W)
Maximum Average On-state Power Loss (W)
DC 180 120 90 60 30
RMS Limit
Conduction Angle
IRK.170.. Series Per Junction T J= 125C
IRK.170.. series Per Junction T J = 125C
Fig. 3 - On-state Power Loss Characteristics
5000 4500 4000 3500 3000 2500 2000 1 10 100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Fig. 4 - On-state Power Loss Characteristics
5000 4500 4000 3500 3000 2500
Peak Half Sine Wave On-state Current (A)
At Any Rated Load Condition And With Rated V RRM Applied Following Surge. Initial T J= 130C @ 60 Hz 0.0083 s @ 50 Hz 0.0100 s
Peak Half Sine Wave On-state Current (A)
Maximum Non Repetitive Surge Current Versus Pulse Train Duration. Control Of Conduction May Not Be Maintained. Initial T J= 130C No Voltage Reapplied Rated V RRMReapplied
IRK.170.. Series Per Junction
IRK.170.. Series Per Junction 0.1 Pulse Train Duration (s) 1
2000 0.01
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 6 - Maximum Non-Repetitive Surge Current
6
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IRK.170, .230, .250 Series
Bulletin I27102 rev. A 10/97
400 Maximum Total On-state Power Loss (W) 350 180 120 90 60 30
0 .2
0. 2
5
K/ W
16 0. W K/
0.1 2 W K/
8 0.0 W K/
A R t hS
0 .3
300 250
K/ W
K/ W
=0 K .04 /W
0.3
5K /W
R lta De
200 Conduction Angle 150 100 50 0 0 50 100 150 200 250 300 350 400 0 20 40 60 80 IRK.170.. Series Per Module T J = 130C
100
120
Total RMS Output Current (A)
Maximum Allowable Ambient Temperature (C)
Fig. 7 - On-state Power Loss Characteristics
1000
SA R th
4K 0.0
Maximum Total Power Loss (W)
900 800 700 600 500 400 300 200 100 0 0 50 100 150 200 250 300 0 350 2 x IRK.170.. Series Single Phase Bridge Connected T J = 130C 180 (Sine) 180 (Rect)
0. 1
0. 1
0.1
0. 08
K/ W
K 06 0.
/W
K/ W
. 02 =0
/W
W K/
2K /W 6K /W 0. 2 K /W 0 .2 5 K/ W 0.3 5 K/ W
-D a el t R
20
40
60
80
100
120
Total Output Current (A)
Maximum Allowable Ambient Temperature (C)
Fig. 8 - On-state Power Loss Characteristics
1600
=0 hSA Rt
Maximum Total Power Loss (W)
1400 1200 1000 800
600
0.0
0. 05
03 0.
K/ W
W K/
.0 1
120 (Rect)
8K /W
W K/ a elt -D
0. 1
0. 1 2
0.1 6
K/ W
R
K /W
K/ W
400 200 0 0 100 200
3 x IRK.170.. Series Three Phase Bridge Connected T J = 130C 300 400
0 .25
K/W
500 0
20
40
60
80
100
120
Total Output Current (A)
Maximum Allowable Ambient Temperature (C)
Fig. 9 - On-state Power Loss Characteristics
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IRK.170, .230, .250 Series
Bulletin I27102 rev. A 10/97
Maximum Allowable Case Temperature (C)
Maximum Allowable Case Temperature (C)
130 120 110 100 90 80 70 60 0 40
130 120 110 100 90
IRK.230.. Series R thJC (DC) = 0.125 K/W
IRK.230.. Series R thJC (DC) = 0.125 K/W
Conduction Angle
Conduction Period
30 60 90 120 180 80 120 160 200 240
30 80 70 60 0 50 100 150 200 250 300 350 400 Average On-state Current (A) 60 90 120 180
DC
Average On-state Current (A)
Fig. 10 - Current Ratings Characteristics
350 300 250 200 150 100 50 0 0 50 100 150 200 250 Average On-state Current (A)
Conduction Angle
Fig. 11 - Current Ratings Characteristics
500 450 400 350 300 250 200 150 100 50 0 0 50 100 150 200 250 300 350 400 Average On-state Current (A)
Conduction Per iod
Max imum Average On-state Power Loss (W)
180 120 90 60 30 RMS Limit
Maximum Average On-state Power Loss (W)
DC 180 120 90 60 30 RMS Limit
IRK.230.. Series Per Junction T J = 130C
IRK.230.. Series Per Junction T J = 130C
Fig. 12 - On-state Power Loss Characteristics
7000 6500 6000 5500 5000 4500 4000 3500 3000 1 10 100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Fig. 13 - On-state Power Loss Characteristics
7500 7000 6500 6000 5500 5000 4500 4000 3500 IRK.230.. Series Per Junction 0.1 Pulse Train Duration (s) 1
Peak Half Sine Wave On-state Current (A)
Peak Half Sine Wave On-state Current (A)
At Any Rated Load Condition And With Rated V RRM Applied Following Surge. Initial T J= 130C @ 60 Hz 0.0083 s @ 50 Hz 0.0100 s
Maximum Non Repetitive Surge Current Versus Pulse Train Duration. Control Of Conduction May Not Be Maintained. Initial T J= 130C No Voltage Reapplied Rated V RRM Reapplied
IRK.230.. Series Per Junction
3000 0.01
Fig. 14 - Maximum Non-Repetitive Surge Current
Fig. 15 - Maximum Non-Repetitive Surge Current
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IRK.170, .230, .250 Series
Bulletin I27102 rev. A 10/97
700 Maximum Total On-state Power Loss (W) 600 500
Conduction angle
180 120 90 60 30
0. 1
0.0
06 0.
0. 12
0. 1 6
K/ W
08 0.
/W 3K
R thS
W K/
W K/
A
K/
W
. 01 =0
0.2
K/ W
K /W
K/
W
400 300 200
100
-D
0.2 5K /W 0. 3 K /W
a el t R
IRK.230.. Series Per Module T J = 130C 0 100 200 300 400 500 0 20 40 60 80 100 120
0 Total RMS Output Current (A) Maximum Allowable Ambient Temperature (C)
Fig. 16 - On-state Power Loss Characteristics
1500
/W 5K 0 .0
08 0.
3 0. 0
Maximum Total Power Loss (W)
1350 1200 1050 900 750 600 450 300 150 0 0
180 (Sine) 180 (Rect)
SA R th
W K/
K/W
0 .1
=0
K/ W
K .01
0. 1 6K /W
0. 2 K
/W lta De R
/W
2 x IRK.230.. Series Single Phase Bridge Connected T J = 130C
1 .5 K /W
0 50 100 150 200 250 300 350 400 450 Total Output Current (A)
20
40
60
80
100
120
Maximum Allowable Ambient Temperature (C)
Fig. 17 - On-state Power Loss Characteristics
2000
/W 2K 0. 0
Maximum Total Power Loss (W)
1800 1600 1400 1200 1000 800 600 400 200 0 0 100 200 300 400 500 3 x IRK.230.. Series Three Phase Bridge Connected T J = 130C 120 (Rect)
/W 1K 0. 0
0. 04 K/ 0. W 05 K/ W 0.0 6K /W 0. 0 8K /W 0. 1 K /W 0.1 2 K/W 0 .16 K/ W
0 .2 5K/ W
W K/ 03 0.
S R th A
. 00 =0 /W 5K -D aR elt
0 600
20
40
60
80
100
120
Total Output Current (A)
Maximum Allowable Ambient Temperature (C)
Fig. 18 - On-state Power Loss Characteristics
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IRK.170, .230, .250 Series
Bulletin I27102 rev. A 10/97
Maximum Allowable Case Temperature (C)
Maximum Allowable Case Temperature (C)
130 120 110 100 90
IRK.250.. Series R thJC (DC) = 0.125 K/W
130 120 110 100 90 80 70 60 0 100
IRK.250.. Series R thJC (DC) = 0.125 K/W
Conduction Angle
Conduction Period
30 80 70 60 0 50 100 150 200 250 300 Average On-state Current (A) 60 90 120 180
30 60 90 120 180 200 300
DC 400 500
Average On-state Current (A)
Fig. 19 - Current Ratings Chartacteristics
Maximum Average On-state Power Loss (W)
350 300 250 200 150 100 50 0 0 50 100 150 200 250 Average On-state Current (A)
Conduction Angle
Fig. 20 - Current Ratings Chartacteristics
500 450 400 350 300 250 200 150 100 50 0 0 50 100 150 200 250 300 350 400 Average On-state Current (A) RMS Limit
Conduction Period
Maximum Average On-state Power Loss (W)
180 120 90 60 30 R MS Limit
DC 180 120 90 60 30
IRK.250.. Series Per Junction T J = 130C
IRK.250.. Series Per Junction T J = 130C
Fig. 21 - On-state Power Loss Characteristics
7500 7000 6500 6000 5500 5000 4500 4000 3500 1 10 100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Fig. 22 - On-state Power Loss Characteristics
9000 8000 7000 6000 5000 4000
Peak Half Sine Wave On-state Current (A)
At Any Rated Load Condition And With Rated V RRM Applied Following Surge. Initial TJ = 130C
Peak Half Sine Wave On-state Current (A)
@ 60 Hz 0.0083 s @ 50 Hz 0.0100 s
Maximum Non Repetitive Surge Current Versus Pulse Train Duration. Control Of Conduction May Not Be Maintained. Initial T J = 130C No Voltage Reapplied Rated VRRMReapplied
IRK.250.. Series Per Junction
IRK.250.. Series Per Junction 0.1 Pulse Train Duration (s) 1
3000 0.01
Fig. 23 - Maximum Non-Repetitive Surge Current
Fig. 24 - Maximum Non-Repetitive Surge Current
10
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IRK.170, .230, .250 Series
Bulletin I27102 rev. A 10/97
700 Maximum Total On-state Power Loss (W)
5 0.0
S R th
600
500
Conduction angle
180 120 90 60 30
K/ W 0. 1 6K /W
0.2 0K /W 0.2 5K /W
0. 12
08 0. W K/
W K/
A
=0 .02 K/W -D a elt
400 300 200 100 0 0 100 200 300 400 500 IRK.250.. Series Per Module T J = 130C
R
0 .3
K/W
0 600
20
40
60
80
100
120
Total RMS Output Current (A)
Maximum Allowable Am bient Temperature (C)
Fig. 25 - On-state Power Loss Characteristics
1400
0.0
1200 Maximum Total Power Loss (W)
1000
0.0 5
0.0 6
0. 04
0 .0 3
K/ W
hS Rt
2 W K/
K/ W
A
=0
K/ W
K/ W
.01 K/W
800
600
180 (Sine) 180 (Rect)
-D aR elt
K/W 0.1 2K /W 0.16 K/W
0.3 K/ W
0 .1
400 200 0 0 100 200
2 x IRK.250.. Series Single Phase Bridge Connected T J = 130C 300 400
500 0
20
40
60
80
100
120
Total Output Current (A)
Maximum Allowable Ambient Temperat ure (C)
Fig. 26 - On-state Power Loss Characteristics
2000
1800
0. 05
0. 06
04 0. W K/
03 0.
A R thS
Maximum Total Power Loss (W)
K/ W
W K/
1600 1400
1200
=0
0.0
120 (Rect)
W 8K /W
K/ W
K/
.0 1 K /W
0. 1
a elt -D
1000 800
600
0. 1
400 200
0
3 x IRK.250.. Series Three Phase Bridge Connected T J = 130C 0 100 200 300 400 500 600
2K /W 0 .1 6K /W 0 .2 0 K/ W
0.2 5 K/ W
R
700 0
20
40
60
80
100
120
Total Output Current (A)
Maximum Allowable Ambient Temperat ure (C)
Fig.27 - On-state Power Loss Characteristics
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IRK.170, .230, .250 Series
Bulletin I27102 rev. A 10/97
10000 Instantaneous On-stat e Current (A) Instantaneous On-state Current (A) 10000
1000
1000 T J= 25C T J= 130C IRK.230.. Series Per Ju nction 100 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
T J = 25C 100 T J= 125C IRK.170.. Series Per Junction 10 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Instantaneous On-state Voltage (V)
Instantaneous On-state Voltage (V)
Fig. 28 - On-state Voltage Drop Characteristics
10000 Instantaneous On-state Current (A)
Fig. 29 - On-state Voltage Drop Characteristics
1000 T J = 25C T J= 130C IRK.250.. Series Per Junction 100 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Instantaneous On-state Voltage (V)
Fig. 30 - On-state Voltage Drop Characteristics
Typical Reverse Recovery Charge - Qrr (C)
Typical Reverse Recovery Charge - Qrr (C)
1800 1600 1400 1200 1000 800 600 400 200 0 10 20 30 40 50 60 70 80 90 100 Rate Of Fall Of On-state Current - di/dt (A/s) IRK.170.. Series T J = 130 C Per Junction
I TM= 800 A
2400 IRK.230/ 250.. Series 2200 T = 130 C J 2000 Per Junction 1800 1600 1400 1200 1000 800 600 400 200 0 10 20 30 40 50 60 70 80 90 100 Rate Of Fall Of On-state Current - di/dt (A/s)
I TM= 800 A 500 A 300 A 200 A 100 A 50 A
500 A 300 A 200 A 100 A 50 A
Fig. 31 - Reverse Recovery Charge Characteristics
Fig. 32 - Reverse Recovery Charge Characteristics
12
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IRK.170, .230, .250 Series
Bulletin I27102 rev. A 10/97
100 Instantaneous Gate Voltage (V)
Rectangular gate pulse a) Recommended load line for rated di/dt : 20V, 10ohms; tr<=1 s b) Recommended load line for <=30% rated di/dt : 10V, 20ohms 10 tr<=1 s (b)
Tj=-40 C Tj=25 C Tj=125 C
(1) PGM = 10W, tp = 4ms (2) PGM = 20W, tp = 2ms (3) PGM = 40W, tp = 1ms (4) PGM = 60W, tp = 0.66ms
(a)
1
(1)
(2) (3) (4)
VGD IGD 0.1 0.001 0.01
IRK.170/ 230/ 250 Series Frequency Limited by PG(AV)
0.1
1
10
100
Instantaneous Gate Current (A)
Fig. 33 - Gate Characteristics
1 Steady State Value: R thJC = 0.17 K/W R thJC = 0.125 K/W 0.1 (DC Operation) IRK.230/ 250.. Series IRK.170.. Series
Transient Thermal Impedance Z thJC (K/W)
0.01
0.001 0.001
0.01
0.1
1
10
100
Square Wave Pulse Duration (s)
Fig. 34 - Thermal Impedance ZthJC Characteristics
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