International Rrectifier IRK User Manual
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Bulletin I27090 rev. C 05/02
IRK. SERIES
STANDARD RECOVERY DIODES
Features
High voltage
Electrically isolated base plate
3000 V
Industrial standard package
Simplified mechanical designs, rapid assembly
High surge capability
Large creepage distances
UL E78996 approved
isolating voltage
RMS
Description
This new IRK series of MAGN-A-paks uses high voltage
power diodes in two 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 and the single diode
module can be used in conjunction with the thyristor
modules as a freewheel diode. 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, etc.).
MAGN-A-pak
Power Modules
250A
270A
320A
Major Ratings and Characteristics
Parameters IRK.250.. IRK.270.. IRK.320.. Units
I
F(AV)
@ T
I
F(RMS)
I
@ 50Hz 7015 8920 10110 A
FSM
@ 60Hz 7345 9430 10580 A
I2t @ 50Hz 246 398 511 KA2s
@ 60Hz 225 363 466 KA2s
2
I
√t 2460 3980 5110 KA2√s
V
RRM
T
J
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250 270 320 A
100 100 100 °C
C
393 424 502 A
Up to 2000 Up to 3000 Up to 2000 V
-40 to 150
o
C
1
IRK.250, .270, .320 Series
Bulletin I27090 rev. C 05/02
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Type number Voltage V
Code peak reverse voltage peak reverse voltage @ 150°C
IRK.250- 04 400 500 50
IRK.270- 08 800 900
IRK.320- 12 1200 1300
16 1600 1700
20 2000 2100
IRK.320- 24 2400 2500 50
30 3000 3100
Forward Conduction
Parameters IRK.250 IRK.270 IRK.320 Units Conditions
I
Maximum average forward current 250 270 320 A 180o conduction, half sine wave
F(AV)
@ Case temperature 100 100 100
Maximum RMS forward current 393 424 502 A as AC switch
I
F(RMS)
I
Maximum peak, one-cycle forward, 7015 8920 10110 A t = 10ms No voltage
FSM
non-repetitive surge current 7345 9340 10580 t = 8.3ms reapplied
2
I
t Maximum I2t for fusing 246 398 511 KA2s t = 10ms No voltage Initial TJ = TJ max
2
√t Maximum I2√t for fusing 2460 3980 5110 KA2√s t = 0.1 to 10ms, no voltage reapplied
I
V
Low level val. of threshold voltage 0.79 0.74 0.69 V (16.7% x π x I
F(TO)1
High level val. of threshold voltage 0.92 0.87 0.86 V (I > π x I
V
F(TO)2
r
Low level forward slope resistance 0.63 0.94 0.59 mΩ (16.7% x π x I
t1
r
High level forward slope resistance 0.49 0.81 0.44 mΩ (I > π x I
t2
Maximum forward voltage drop 1.29 1.48 1.28 V I
V
FM
, Maximum repetitive V
RRM
, Maximum non-repetitive I
RSM
VVm A
o
C
5900 7500 8500 t = 10ms 100% V
6180 7850 8900 t = 8.3ms reapplied Sinusoidal half wave,
225 363 466 t = 8.3ms reapplied
174 281 361 t = 10ms 100% V
159 257 330 t = 8.3ms reapplied
F(AV)
F(AV)
= π x I
FM
Av. power = V
RRM
RRM
< I < π x I
F(AV)
), TJ = TJ max.
< I < π x I
F(AV)
), TJ = TJ max.
, TJ = TJ max., 180o conduction
F(AV)
x I
F(AV)
+ rf x (I
F(TO)
FAV)
F(AV)
), T
J
) TJ = T
F(RMS)
RRM
= T
Max
max.
J
max.
J
2
)
Blocking
Parameter IRK.250 /.270 /.320 Units Conditions
I
Max. peak reverse leakage 50 mA T
RRM
current
RMS isolation voltage 3000 V 50Hz, circuit to base, all terminals shorted, t =1sec
V
INS
= 150oC
J
2
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IRK.250, .270, .320 Series
Bulletin I27090 rev. C 05/02
Thermal and Mechanical Specifications
Parameter IRK.250 / .270 / .320 Units Conditions
T
Max. junction operating -40 to 150 °C
J
temperature range
T
Max. storage temperature range -40 to 150 °C
stg
Max. thermal resistance, 0.16 0.125 0.125 K/W Per junction, DC operation
R
thJC
junction to case
R
Max. thermal resistance, 0.035 K/W
thCS
case to heatsink
T Mounting torque ±10%
MAP to heatsink 4 to 6 Nm
busbar to MAP 8 to 10
wt Approximate weight 800 (30) g (oz)
∆R Conduction (per Junction)
(The following table shows the increment of thermal resistance R
Devices Units
Sinusoidal conduction @ TJ max. Rectangular conduction @ TJ max.
o
180o120
o
90
60
IRK.250- 0.009 0.010 0.014 0.020 0.032 0.007 0.011 0.015 0.021 0.033 K/W
IRK.270- 0.008 0.012 0.014 0.020 0.032 0.007 0.011 0.015 0.020 0.033
IRK.320- 0.008 0.010 0.013 0.020 0.032 0.007 0.011 0.015 0.020 0.033
when devices operate at different conduction angles than DC)
thJC
o
o
30
Mounting surface flat, smooth and greased
Per module
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
180
o
120
o
o
90
o
60
o
30
Ordering Information Table
Device Code
11 - Module type
2 - Circuit configuration
3 - Current rating: I
4 - Voltage code: Code x 100 = V
IRK D 32020 - 2424
1 2
F(AV)
3
x 10 rounded
RRM
4
(see Voltage Rating Table)
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IRK.250, .270, .320 Series
Bulletin I27090 rev. C 05/02
Outline Table
- All dimensions in millimeters (inches)
- Dimensions are nominal
- Full engineering drawings are available on request
- UL identification number for cathode wire: UL 1385
- UL identification number for package: UL 94V0
IRKD... IRKC... IRKJ... IRKE...
150
140
130
120
110
100
90
80
Maximum Allowable Case Temperature ( C)
0 50 100 150 200 250 300
Average Forward Current (A)
Fig. 1 - Current Ratings Characteristics Fig. 2 - Current Ratings Characteristics
IRK.250.. Series
R (D C) = 0.16 K/W
thJC
Conduction Angle
30
60
90
120
180
4
150
140
130
120
110
100
90
80
Maximum Allowable Case Temperature ( C)
0 50 100 150 200 250 300 350 400
Average Forward Current (A)
IRK.250.. Series
R (DC) = 0.16 K/W
thJC
30
60
90
120
Conduction Period
180
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DC
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