A25FR20 Просмотр технического описания (PDF) - International Rectifier
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A25FR20 Datasheet PDF : 6 Pages
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25F(R) Series
Bulletin I2018 rev. B 09/98
35
180°
30
120°
90°
60°
25
30°
20 RMS Limit
15
10
5
3 K/W
4 K/W
Conduction Angle
25F(R) Series
TJ = 175°C
6 K/W
8 K/W
12 K/W
20 K/W
40 K/W
0
0
5 10 15 20 25 300 25 50 75 100 125 150 175
Average Forward Current (A)
Maximum Allowable Ambient Temperature (°C)
Fig. 3 - Forward Power Loss Characteristics
45
DC
40
180°
120°
35
90°
60°
30
30°
25
20 RMS Limit
15
10
5
2 K/W
3 K/W
4 K/W
Conduction Period
25F(R) Series
TJ = 175°C
6 K/W
8 K/W
12 K/W
20 K/W
40 K/W
0
0 5 10 15 20 25 30 35 400 25 50 75 100 125 150 175
Average Forward Current (A)
Maximum Allowable Ambient Temperature (°C)
Fig. 4 - Forward Power Loss Characteristics
350
At Any Rated Load Condition And With
Rated VRRM Applied Following Surge.
300
Initial TJ = 175°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
250
200
150
100
25F(R) Series
50
1
10
100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Fig. 5 - Maximum Non-Repetitive Surge Current
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400
Maximum Non Repetitive Surge Current
350
Versus Pulse Train Duration.
Initial TJ = 175°C
300
No Voltage Reapplied
Rated VRRM Reapplied
250
200
150
100
50 25F(R) Series
0
0.01
0.1
1
10
Pulse Train Duration (s)
Fig. 6 - Maximum Non-Repetitive Surge Current
5
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