IRKT91/12A International Rectifier Corp., IRKT91/12A Datasheet - Page 7

• Manufacturer Part Number: IRKT91/12A
• Description: THYRISTOR/ DIODE and THYRISTOR/ THYRISTOR
• Manufacturer: International Rectifier Corp.

www.irf.com
1600
1500
1400
1300
1200
1100
1000
Number Of Equal Amplitude Half Cycle Current Pulses (N)
140
120
100
900
800
700
Fig. 14 - Maximum Non-Repetitive Surge Current
130
120
110
100
80
60
40
20
90
80
70
0
Fig. 12 - On-state Power Loss Characteristics
0
1
0
IRK.91.. Series
Per Junction
Fig. 10 - Current Ratings Characteristics
At Any Rated Load Condition And With
Rated V
RMS Limit
Average On-state Current (A)
Average On-state Current (A)
20
20
180°
120°
90°
60°
30°
IRK.91.. Series
R
RRM
thJC
30°
40
40
Applied Following Surge.
(DC) = 0.27 K/W
10
60° 90°
Conduction Angle
Conduction Angle
60
60
IRK.91.. Series
Per Junction
T = 125°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
Initial T = 125°C
J
120°
80
J
80
180°
100
100
100
1800
1600
1400
1200
1000
180
160
140
120
100
800
600
130
120
110
100
Fig. 15 - Maximum Non-Repetitive Surge Current
80
60
40
20
90
80
70
0
0.01
0
Fig. 13 - On-state Power Loss Characteristics
0
RMS Limit
Fig. 11 - Current Ratings Characteristics
IRK.91.. Series
Per Junction
Of Conduction May Not Be Maintained.
Maximum Non Repetitive Surge Current
180°
120°
DC
90°
60°
30°
20
20
Average On-state Current (A)
Average On-state Current (A)
Versus Pulse Train Duration. Control
Pulse Train Duration (s)
30°
40
40
IRK.91.. Series
R
Bulletin I27132 rev. H 10/02
thJC
60°
60
60
90°
IRK.71, .91 Series
(DC) = 0.27 K/W
No Voltage Reapplied
Rated V
0.1
80
80
120°
Conduction Period
Conduction Period
100 120 140 160
100 120 140 160
IRK.91.. Series
Per Junction
T = 125°C
180°
J
Initial T = 125°C
RRM
Reapplied
DC
J
1
7