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
C onduction Angle
Average Forward C urrent (A)
IRK.91.. Series
R (DC ) = 0.35 K/W
90
100
110
120
130
140
150
0
20
40
60
80
100 120 140 160
DC
30°
60°
90°
120°180°
M
C onduction Period
Average Forward C urrent (A)
IRK.91.. Series
R (DC ) = 0.35 K/W
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
C onduction Period
Average Forward C urrent (A)
M
IRK.91.. Series
Per J unction
T = 150°C
0
20
40
60
80
100
120
140
0
20
40
60
80
100
RMS Limit
180°
120°
90°
60°
30°
C onduction Angle
M
Average Forward C urrent (A)
IRK.91.. Series
Per J unction
T = 150°C
400
600
800
1000
1200
1400
1600
1800
1
10
100
Number Of Equal Amplitude Half C ycle Current Pulses (N)
P
Initial T = 150°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Rated Load Condition And With
Rated V Applied Following Surge.
IRK.91.. Series
Per J unc tion
400
600
800
1000
1200
1400
1600
1800
2000
0.01
0.1
1
Pulse Train Duration (s)
P
Initial T = 150°C
No Voltage Reapplied
Rated V Reapplied
Versus Pulse Train Duration.
Maximum Non Repetitive Surge Current
IRK.91.. Series
Per J unc tion