7

IXYS reserve the right to change limits, test conditions and dimensions.

Fig. 1: Forward characteristics

Instantaneous forward current I

voltage drop V

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

devices.

a = Initial state

T

45°C

b = Initial state

T

Fig. 3: Power loss

Non repetitive peak reverse power loss P

T

Fig. 4: Load diagramm

Mean forward current I

cooling modes as a function of the cooling medium temperature T

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

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

0

50

100

150

200

s

t

A

I

FSM

a

b

a

b

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