2 - 2
Fig. 1: Forward characteristics
Instantaneous forward current I
F
as a function of instantaneous forward
voltage drop V
F
for junction temperature T
(vj)
= 25°C and T
(vj)
= 150°C
a = Mean value characteristic
b = Limit value characteristic
Fig. 2: Characteristics of maximum permissible current
The curves show the non repetitive peak one cycle surge forward
current I
FSM
as a function of time
t
and serve for rating protective
devices.
a = Initial state T
(vj)
= 45°C
b = Initial state T
(vj)
= 150°C
Fig. 3: Power loss
Non repetitive peak reverse power loss P
RSM
as a function of time
t
,
T
(vj)
= 150°C
Fig. 4: Load diagramm
Mean forward current I
F(AV)
of one module for a sine half wave for various
cooling modes as a function of the cooling medium temperature T
amb
for a
resistive load (horizontal mounting).
Cooling modes
1 = air self cooling without cooling plate
2 = air self cooling with cooling plate
3 = forced air cooling without cooling plate
4 = forced air cooling with cooling plate
5 = oil cooling without cooling plate
6 = oil cooling with cooling plate
© 2003 IXYS All rights reserved
F6
0 30 60 90 120 150
0
2
4
6
8
10
°C
T
A
A
I
F(AV)
0,6 1,2 1,8 2,4 3,0 3,6 4,2 4,8 5,4
0
10
20
30
40
V
V
F
A
I
F
10
-3
10
-2
10
-1
10
0
10
1
0
50
100
150
200
s
t
A
I
FSM
a
b
a
b
10
-6
10
-5
10
-4
10
-3
10
-2
10
2
10
3
10
4
s
t
W
P
RSM
180°
I
FAV
6
5
4
3
2
1
T(vj) =150°C
T(vj) = 25°C
UGE 0221 AY4
