0

2

4

6

8

1012

1416

18

0

5

10

15

20

25

IF(av) (A)

P1(W)

δ =1

δ = 0.5

δ = 0.2

δ = 0.1

T

tp

Fig. 1: Conduction losses versus average current.

1E-4

1E-3

1E-2

1E-1

1E+0

0.0

0.2

0.4

0.6

0.8

1.0

K

Single pulse

δ = 0.1

δ = 0.2

δ = 0.5

K=

Zth(j-c) (tp, )

δ

Rth(j-c)

tp(s)

T

tp

Fig. 3: Relative variation of thermal transient

impedance junction to case versus pulse duration.

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

1

10

100

200

VFM(V)

Tj=125

°C

IFM(A)

Fig. 2: Forward voltage drop versus forward

current (maximum values).

0

100

200

300

400

500

600

700

800

900

1000

0

5

10

15

20

25

30

35

40

45

IRM(A)

VR=400V

Tj=125

°C

IF=IF(av)

IF=2*IF(av)

IF=0.5*IF(av)

dIF/dt(A/

µs)

Fig. 4: Peak reverse recovery current versus

dIF/dt (90% confidence).

0

100

200

300

400

500

600

700

800

900 1000

0

20

40

60

80

100

120

140

160

180

200

trr(ns)

VR=400V

Tj=125

°C

IF=0.5*IF(av)

IF=2*IF(av)

IF=IF(av)

dIF/dt(A/

µs)

Fig. 5: Reverse recovery time versus dIF/dt (90%

confidence).

S factor

0

100

200

300

400

500

600

700

800

900 1000

0.0

0.2

0.4

0.6

0.8

1.0

dIF/dt(A/

µs)

VR=400V

Tj=125

°C

IF<2*IF(av)

Fig. 6: Softness factor (tb/ta) versus dIF/dt (typical

values).

STTA3006CW/CP

3/8