
ST380CH..C Series
6
Bulletin   I25169   rev. C   04/00
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. 8 - Maximum Non-Repetitive Surge Current
Single and Double Side Cooled
Fig. 7 - Maximum Non-Repetitive Surge Current
Single and Double Side Cooled
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
1 00
1 10
1 20
1 30
1 40
1 50
0
5 0 0
1 00 0
1 50 0
2 0 00
2 50 0
D C
30
°
60
°
90
 °
120
°
180
°
A verage  On-state  C urren t (A )
Conduction Period
M
°
C
ST38 0C H..C Se ries
(D ouble  Side  C o ole d)
R            (D C) = 0.04  K/W
20
30
40
50
60
70
80
90
100
110
120
130
140
150
0
400
800
1200
1600
30
°
60
°
90
°
120
°
180
°
Average On-state Current (A)
Conduction Angle
M
°
C
ST380CH..C Series
(Double Side Cooled)
R            (DC) = 0.04 K/W
0
5 00
1 0 00
1 5 00
2 0 00
2 5 00
0
40 0
8 00
1 2 0 0
1 60 0
18 0
°
12 0
°
9 0
°
6 0
°
3 0
°
RM S Lim it
Conduction Angle
M
Av erage  On-state  C urre nt (A )
ST3 80C H..C  Se rie s
T   = 15 0
°
C
0
5 00
1 00 0
1 50 0
2 00 0
2 50 0
3 00 0
3 50 0
0
5 0 0
10 0 0
15 0 0
2 0 00
2 5 00
D C
180
 °
120
 °
90
 °
60
 °
30
 °
RM S Lim it
Conduction Period
M
Av erage  O n-state  C urren t (A )
ST380C H..C  Series
T   = 1 50
°
C
5000
6000
7000
8000
9000
10000
11000
12000
1
10
100
Num ber O f Equal Amplitude Half Cycle Current Pulses (N)
P
ST380CH..C Series
Initial T  = 150
°
C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Rated Load Condition And With
Rated V        Applied Following Surge.
5000
6000
7000
8000
9000
10000
11000
12000
13000
0.01
0.1
1
Pulse  Train D uratio n (s)
V ersus Pulse  Train D uratio n. C on trol
Of C on ductio n M ay N ot Be  M ain taine d.
P
Initial T  = 150
 °
C
N o Voltage Reapplie d
Rate d V        Reapp lied
ST3 80C H..C  Serie s
M axim um  N on  Re petitive Surge C urrent