SD253N Datasheet, PDF (5/7 Pages) International Rectifier – FAST RECOVERY DIODES Stud Version

130
SD253N/R Series
R _thJC (DC) = 0.115 K/W
120
110
Conduction Angle
100
90
30° _60°
180°
90°
120°
80
0 50 100 150 200 250 300
Average Forward Current (A)
Fig. 1 - Current Ratings Characteristics
350
180°
300
120°
90°
250
60°
30°
200
RMS Limit
150
100
Conduction Angle
50
SD253N/R Series
T_J = 125°C
0
0
50 100 150 200 250
Average Forward Current (A)
Fig. 3 - Forward Power Loss Characteristics
5000
4500
4000
At Any Rated Load Condition And With
Rated V_RRM Applied Following Surge.
Initial T_J = 125°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
3500
3000
2500
2000
1500 SD253N/R Series
1000
1
10
100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Fig. 5 - Maximum Non-repetitive Surge Current
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SD253N/R Series
Bulletin I2065 rev. A 09/94
130
SD253N/R Series
R _thJC (DC) = 0.115 K/W
120
110
100
Conduction Period
90
30°
60°
80
90°
120° _{180° DC}
70
0
100
200
300
400
Average Forward Current (A)
Fig. 2 - Current Ratings Characteristics
500
450
DC
180°
400
120°
90°
350
60°
300
30°
250
200 _{RMS Limit}
150
Conduction Period
100
SD253N/R Series
50
T_J = 125°C
0
0
100
200
300
400
Average Forward Current (A)
Fig. 4 - Forward Power Loss Characteristics
6000
5000
4000
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration.
Initial T_J= 125°C
No Volt age Reapplied
Rated V_RRMReapplied
3000
2000
SD253N/R Series
1000
0.01
0.1
1
Pulse Train Duration (s)
Fig. 6 - Maximum Non-repetitive Surge Current
5