
ST330C..C Series
6
Bulletin I25155 rev. D 04/03
www.irf.com
Fig. 3 - Current Ratings Characteristics
Fig. 4 - Current Ratings Characteristics
Fig. 5- On-state Power Loss Characteristics
Fig. 6- On-state Power Loss Characteristics
Fig. 7 - Maximum Non-Repetitive Surge Current
Single and Double Side Cooled
10
20
30
40
50
60
70
80
90
100
110
120
130
0
200 400 600 800 1000120014001600
DC
30°
60°
90°
120°
180°
Average On-state Current (A)
Conduction Period
M
ST330C..C Series
(Double Sde Cooled)
R (DC) = 0.04 K/W
20
30
40
50
60
70
80
90
100
110
120
130
0
200
400
600
800
1000
30°
60°
90°
120°
180°
Average On-state Current (A)
Conduction Angle
M
ST330C..C Series
(Double Sde Cooled)
R (DC) = 0.04 K/W
0
200
400
600
800
1000
1200
1400
1600
1800
0
200
400
600
800
1000 1200
DC
180°
120°
90°
60°
30°
RMSLimit
Conduction Period
M
Average On-state Current (A)
ST330C..C Series
T = 125°C
0
200
400
600
800
1000
1200
1400
0
100 200 300 400 500 600 700 800
180°
120°
90°
60°
30°
RMSLimit
Conduction Angle
M
Average On-state Current (A)
ST330C..C Series
T = 125°C
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
1
10
100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
P
Initial T = 125°C
@60 Hz 0.0083 s
@50 Hz 0.0100 s
ST330C..C Series
At Any Rated Load Condition And With
Rated V Applied Following Surge.
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
9000
0.01
0.1
1
Pulse Train Duration (s)
Versus Pulse Train Duration. Control
Of Conduction May Not Be Maintained.
P
Initial T = 125°C
No Voltage Reapplied
Rated V Reapplied
ST330C..C Series
Maximum Non Repetitive Surge Current
Fig. 8 - Maximum Non-Repetitive Surge Current
Single and Double Side Cooled