1.1

Characteristic (curves)

Figure 1. Conduction losses versus average current

0

5

10

15

20

25

30

35

0

2

4

6

8

1 0

12

1 4

16

18

P(W)

T

δ=tp/T

tp

δ = 0.05

δ = 1

I

(A)

F(AV)

δ = 0.1

δ = 0.2

δ = 0.5

Figure 2. Forward voltage drop versus forward current

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

I

(A)

FM

V

(V)

FM

T =25°C

(maximum values)

j

T =150°C

(maximum values)

j

T =150°C

(typical values)

j

Figure 3. Relative variation of thermal impedance junction

to case versus pulse duration

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.E-03

1.E-02

1.E-01

1.E+00

Z

/R

th(j-c)

th(j-c)

t (s)

p

Single pulse

Figure 4. Peak reverse recovery current versus dIF/dt

(typical values)

0

5

10

15

20

25

30

35

40

45

50

0

50

100

150

200

250

300

350

400

450

500

I

(A)

RM

dI /dt(A/µs)

F

I =2 x I

F

F(AV)

I = I

F F (AV)

I =0.5 x I

F

F(AV)

V =600V

T =125°C

R

j

STTH1512-Y

Characteristics (curves)

DS9417 - Rev 2

page 4/11