1.1

Characteristics (curves)

Figure 1. Average forward power dissipation versus

average forward current

0.0

0.2

0.4

0.6

0.8

1.0

1.2

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

P

(W)

F(AV)

T

δ =tp/T

tp

δ= 1

δ= 0.5

δ= 0.2

δ= 0.1

δ= 0.05

I

(A)

F(AV)

Figure 2. Average forward current versus ambient

temperature (δ = 0.5)

0

25

5 0

75

100

125

150

0.0

0.2

0.4

0.6

0.8

1.0

1.2

I

(A)

F(AV)

T

δ=tp/T

tp

SM B

R

= 80 °C/ W

S

=1.5cm

th(j-a)

(CU)

2

T

(°C)

amb

SMB R

R

th(j-a)

t h(j-I)

SM A

R

=100°C/W

S

=1.5cm

th(j-a)

(CU)

2

Figure 3. Normalized avalanche power derating versus

pulse duration (Tj = 125 °C)

P

(tp)

P

(10 µs)

ARM

ARM

0.001

0.01

0.1

1

1

10

100

1000

t (µs)

p

Figure 4. Relative variation of thermal impedance junction

to ambient versus pulse duration (SMB)

1E-2

1E-1

1E+0

1E+1

1E+2

1E+3

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Z

/R

th(j-a)

th(j-a)

t (s)

p

Single pulse

Figure 5. Relative variation of thermal impedance junction

to ambient versus pulse duration (SMA)

1E-2

1E-1

1E+0

1E+1

1E+2

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Z

/R

th(j-a)

th(j-a)

t (s)

p

Single pulse

Figure 6. Reverse leakage current versus reverse voltage

applied (typical values)

0

5

10

15

20

25

30

35

40

45

50

55

60

1E-1

1E+0

1E+1

1E+2

1E+3

I (µA)

R

V (V)

R

T =100°C

j

T =75°C

j

T =25°C

j

STPS160

Characteristics (curves)

DS0962 - Rev 10

page 3/13