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T..HFL Series
7
Bulletin I27107 rev. A 09/97
www.irf.com
Fig. 13 - Maximum Non-Repetitive Surge Current
Fig. 14 - Maximum Non-Repetitive Surge Current
Fig. 15 - Maximum Non-Repetitive Surge Current
Fig. 16 - Maximum Non-Repetitive Surge Current
Fig. 17 - Maximum Non-Repetitive Surge Current
Fig. 18 - Maximum Non-Repetitive Surge Current
100
150
200
250
300
350
400
450
500
0.01
0.1
1
P
Pulse Train Duration (s)
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration.
T40HFL.. Series
Initial T = 125
°C
No Voltage Reapplied
Rated V Reapplied
200
300
400
500
600
700
800
1
10
100
P
Number Of Equal Amplitude Half Cycle Current Pulses (N)
T70HFL.. Series
Initial T = 125
°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Ra ted Loa d C ondition And With
Ra ted V Applied Following Surg e.
150
250
350
450
550
650
750
850
0.01
0.1
1
P
Pulse Train Duration (s)
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration.
T70HFL.. Series
Initial T = 125
°C
No Voltage Reapplied
Rated V Reapplied
100
150
200
250
300
350
400
450
1
10
100
P
Number Of Equal Amplitude Half Cycle Current Pulses (N)
T40HFL.. Series
Initial T = 125
°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Rated Loa d C ondition And With
Rated V Applied Following Surge.
300
400
500
600
700
800
900
1000
1100
1200
1
10
100
P
Number Of Equal Amplitude Half Cycle Current Pulses (N)
T85HFL.. Series
Initial T = 125
°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Rated Load Condition And With
Ra ted V Applied Following Surge.
300
400
500
600
700
800
900
1000
1100
1200
1300
0.01
0.1
1
P
Pulse Train Duration (s)
Ma ximum Non Repetitive Surg e C urrent
Versus Pulse Train Duration.
Initial T = 125
°C
No Voltage Reapplied
Rated V Reapplied
T85HFL.. Series