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Major Ratings and Characteristics
Parameters
IRK.91
Units
I
F(AV)
100
A
@ T
C
100
C
I
F(RMS)
157
A
I
FSM
@ 50Hz
2020
A
@ 60Hz
2110
A
I
2
t
@ 50Hz
20.43
KA
2
s
@ 60Hz
18.65
KA
2
s
I
2
t
204.3
KA
2
s
V
RRM
range
400 to 1600
V
T
J
- 40 to 150
o
C
T
STG
- 40 to150
o
C
100 A
ADD-A-pak
TM
GEN V Power Modules
STANDARD DIODES
IRK.91 SERIES
Bulletin I27141 rev. F 10/02
1
www.irf.com
Features
High Voltage
Industrial Standard Package
Thick Al metal die and double stick bonding
Thick copper baseplate
UL E78996 approved
3500V
RMS
isolating voltage
Benefits
Up to 1600V
Full compatible TO-240AA
High Surge capability
Easy Mounting on heatsink
Al
2
0
3
DBC insulator
Heatsink grounded
Mechanical Description
The Generation V of Add-A-pak module combine the
excellent thermal performance obtained by the usage
of Direct Bonded Copper substrate with superior
mechanical ruggedness, thanks to the insertion of a
solid Copper baseplate at the bottom side of the device.
The Cu baseplate allow an easier mounting on the
majority of heatsink with increased tolerance of surface
roughness and improve thermal spread.
The Generation V of AAP module is manufactured
without hard mold, eliminating in this way any possible
direct stress on the leads.
Electrical Description
These modules are intended for general purpose high
voltage applications such as high voltage regulated power
supplies, lighting circuits, temperature and motor speed
control circuits, UPS and battery charger.
The electrical terminals are secured against axial pull-out:
they are fixed to the module housing via a click-stop
feature already tested and proved as reliable on other IR
modules.
IRK.91 Series
2
Bulletin I27141 rev. F 10/02
www.irf.com
I
F(AV)
Max. average forward current
100
A
180 conduction, half sine wave
@ Case temperature
100
C
I
F(AV)
Max. average forward current
90
A
180 conduction, half sine wave
@ Case temperature
107
C
I
F(RMS)
Max. RMS forward current
157
A
DC @ 90C case temperarure
I
FSM
Max. peak, one-cycle forward,
2020
t = 10ms
No voltage
non-repetitive surge current
2110
t = 8.3ms
reapplied
1700
t = 10ms
100% V
RRM
1780
t = 8.3ms
reapplied
Sinusoidal half wave,
I
2
t
Maximum I
2
t for fusing
20.43
t = 10ms
No voltage
Initial T
J
= T
J
max.
18.65
t = 8.3ms
reapplied
14.45
t = 10ms
100% V
RRM
13.19
t = 8.3ms
reapplied
I
2
t
Maximum I
2
t for fusing
204.3
KA
2
s
t = 0.1 to 10ms, no voltage reapplied
V
F(TO)1
Low level value of threshold
voltage
V
F(TO)2
High level value of threshold
voltage
r
f
1
Low level value of forward
slope resistance
r
f
2
High level value of forward
slope resistance
V
FM
Max. forward voltage drop
1.45
V
I
FM
= p x I
F(AV)
, T
J
= 25C, t
p
= 400s square wave
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage
V
RRM
, maximum repetitive
V
RSM
, maximum non-
I
RRM
max.
Type number
Code
peak reverse voltage
repetitive peak rev. voltage
@ T
J
= 150C
V
V
mA
04
400
500
06
600
700
08
800
900
IRK.91
10
1000
1100
10
12
1200
1300
14
1400
1500
16
1600
1700
Parameter
IRK.91
Units Conditions
Forward Conduction
KA
2
s
A
0.79
(16.7% x
x I
F(AV)
< I <
x I
F(AV)
), T
J
= T
J
max.
1.78
(16.7% x
x I
F(AV)
< I <
x I
F(AV)
), T
J
= T
J
max.
m
V
I
RRM
Max. peak reverse leakage
10
mA
T
J
= 150
o
C
current
V
INS
RMS isolation voltage
3500 (1 sec)
V
50 Hz, circuit to base, all terminals shorted
Blocking
1.57
(I >
x I
F(AV)
),T
J
= T
J
max.
0.87
(I >
x I
F(AV)
),T
J
= T
J
max.
Parameter
IRK.91
Units Conditions
IRK.91 Series
3
Bulletin I27141 rev. F 10/02
www.irf.com
T
J
Max. junction operating temperature range
-40 to 150
T
stg
Storage temperature range
-40 to 150
R
thJC
Max. thermal resistance, junction to case
0.35
Per junction, DC operation
R
thCS
Typical thermal resistance, case to heatsink
0.1
Mounting surface flat, smooth and greased
T
Mounting torque 10%
to heatsink
5
busbar
4
wt
Approximate weight
110 (4)
g (oz)
Case style
TO-240AA
JEDEC
Parameter
IRK.91
Units
Conditions
Thermal and Mechanical Specifications
C
K/W
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
Nm
Sine half wave conduction
Rect. wave conduction
Devices
Units
180
o
120
o
90
o
60
o
30
o
180
o
120
o
90
o
60
o
30
o
IRK.91
0.052
0.064
0.082
0.112
0.164
0.043
0.069
0.088
0.115
0.165
C/W
R Conduction (per Junction)
(The following table shows the increment of thermal resistance R
thJC
when devices operate at different conduction angles than DC)
IRK
D
91
/
16
A
1
2
3
Device Code
4
Ordering Information Table
1
- Module type
2
- Circuit configuration (See Circuit Configuration Table)
3
- Current code
4
- Voltage code (See Voltage Ratings Table)
5
- A: Gen V
5
IRK.91 Series
4
Bulletin I27141 rev. F 10/02
www.irf.com
Outline Table
Dimensions are in millimeters and [inches]
IRKD
IRKE
IRKJ
NOTE: To order the Optional Hardware see Bulletin I27900
IRKC
D = 2 diodes in series
E = Single diode
J = 2 diodes/common anode
C = 2 diodes/common cathode
+
-
~
(1)
(2)
(3)
-
+
(2)
(3)
+
+
-
(1)
(2)
(3)
-
-
+
(1)
(2)
(3)
Circuit Configuration Table
IRK.91 Series
5
Bulletin I27141 rev. F 10/02
www.irf.com
Fig. 1 - Current Ratings Characteristics
Fig. 2 - Current Ratings Characteristics
Fig. 4 - Forward Power Loss Characteristics
Fig. 3 - Forward Power Loss Characteristics
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 6 - Maximum Non-Repetitive Surge Current
90
100
110
120
130
140
150
0
20
40
60
80
100
120
30
60
90
120
180
M
a
x
i
mu
m
A
l
l
o
w
a
b
l
e Case T
e
mp
er
a
t
u
r
e (
C)
Conduction Angle
Average Forward Current (A)
IRK.91.. Series
R (DC) = 0.35 K/W
thJC
90
100
110
120
130
140
150
0
20
40
60
80 100 120 140 160
DC
30
60
90
120 180
Ma
x
i
mu
m
A
l
l
o
w
a
b
l
e Ca
s
e
T
e
mp
e
r
at
u
r
e
(
C)
Conduction Period
Average Forward Current (A)
IRK.91.. Series
R (DC) = 0.35 K/W
thJC
0
20
40
60
80
100
120
140
160
180
0
20
40
60
80 100 120 140 160
DC
180
120
90
60
30
RMS Limit
Conduction Period
Average Forward Current (A)
Ma
x
i
mu
m
A
v
e
r
a
g
e F
o
r
w
ar
d P
o
wer
L
o
s
s
(
W
)
IRK.91.. Series
Per Junction
T = 150C
J
0
20
40
60
80
100
120
140
0
20
40
60
80
100
RMS Limit
180
120
90
60
30
Conduction Angle
M
a
x
i
m
u
m
A
v
e
r
a
g
e
F
o
rw
a
r
d
P
o
w
e
r L
o
s
s
(
W
)
Average Forward Current (A)
IRK.91.. Series
Per Junction
T = 150C
J
400
600
800
1000
1200
1400
1600
1800
1
10
100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Peak H
a
l
f
S
i
n
e
W
a
v
e
Fo
r
w
ar
d
Cu
r
r
en
t
(
A
)
Initial T = 150C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM
IRK.91.. Series
Per Junction
400
600
800
1000
1200
1400
1600
1800
2000
0.01
0.1
1
Pulse Train Duration (s)
P
e
ak
Ha
lf
S
i
n
e
W
a
ve
F
o
r
w
ar
d
C
u
r
r
e
n
t
(
A
)
Initial T = 150C
No Voltage Reapplied
Rated V Reapplied
J
RRM
Versus Pulse Train Duration.
Maximum Non Repetitive Surge Current
IRK.91.. Series
Per Junction
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