© 2008 IXYS CORPORATION, All rights reserved
IXGH40N120C3
Fig. 12. Inductive Switching
Energy Loss vs. Gate Resistance
0
1
2
3
4
5
6
2 6 10 14 18 22 26 30
R
G
- Ohms
E
off
- MilliJoules
3
4
5
6
7
8
9
E
on
- MilliJoules
E
off
E
on
- - - -
T
J
= 125ºC , V
GE
= 15V
V
CE
= 600V
I
C
= 60A
I
C
= 30A
Fig. 17. Inductive Turn-off
Switching Times vs. Junction Temperature
0
50
100
150
200
250
300
350
25 35 45 55 65 75 85 95 105 115 125
T
J
- Degrees Centigrade
t
f
-
Nanoseconds
120
130
140
150
160
170
180
190
t
d(off)
-
Nanoseconds
t
f
t
d(off)
- - - -
R
G
= 3Ω
, V
GE
= 15V
V
CE
= 600V
I
C
= 60A
I
C
= 30A
Fig. 15. Inductive Turn-off
Switching Times vs. Gate Resistance
0
50
100
150
200
250
300
350
400
450
4 6 8 1012141618202224262830
R
G
- Ohms
t
f
- Nanoseconds
0
100
200
300
400
500
600
700
800
900
t
d(off)
- Nanoseconds
t
f
t
d(off)
- - - -
T
J
= 125ºC, V
GE
= 15V
V
CE
= 600V
I
C
= 60A
I
C
= 30A
Fig. 13. Inductive Switching
Energy Loss vs. Collector Current
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
15 20 25 30 35 40 45 50 55 60
I
C
- Amperes
E
off
- MilliJoules
0
1
2
3
4
5
6
7
8
E
on
- MilliJoules
E
off
E
on
- - - -
R
G
= 3
Ω
,
V
GE
= 15V
V
CE
= 600V
T
J
= 125ºC
T
J
= 25ºC
Fig. 14. Inductive Switching
Energy Loss vs. Junction Temperature
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
25 35 45 55 65 75 85 95 105 115 125
T
J
- Degrees Centigrade
E
off
- MilliJoules
1
2
3
4
5
6
7
8
E
on
- MilliJoules
E
off
E
on
- - - -
R
G
= 3Ω
,
V
GE
= 15V
V
CE
= 600V
I
C
= 60A
I
C
= 30A
Fig. 16. Inductive Turn-off
Switching Times vs. Collector Current
0
50
100
150
200
250
300
350
400
450
500
15 20 25 30 35 40 45 50 55 60
I
C
- Amperes
t
f
- Nanoseconds
110
120
130
140
150
160
170
180
190
200
210
t
d(off)
- Nanoseconds
t
f
t
d(off)
- - - -
R
G
= 3Ω
, V
GE
= 15V
V
CE
= 600V
T
J
= 125ºC
T
J
= 25ºC