1.1

Characteristics (curves)

Figure 1. Average forward power dissipation versus

average forward current

PF(AV)(W)

0

5

10

15

20

25

0

5

10

15

20

25

30

35

40

IF(AV)(A)

T

δ =tp/T

tp

δ = 0.05

δ = 0.1

δ = 0.2

δ = 0.5

δ = 1

Figure 2. Average forward current versus ambient

temperature (δ = 0.5)

IF(AV)(A)

0

5

10

15

20

25

30

35

0

25

50

75

100

125

150

Rth(j-a) = Rth(j-c)

T

δ=tp/T

tp

Tamb(°C)

Figure 3. Normalized avalanche power derating versus

pulse duration

P

(10 µs)

ARM

P

( p

t )

ARM

0.001

0.01

0.1

1

1

10

100

1000

t (µs)

p

Figure 4. Relative variation of thermal impedance junction

to case versus pulse duration

Zth(j-c)/Rth(j-c)

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

E-05

1.

1.E-04

E-03

1.

E-02

1.

1.E-01

E+00

1.

tp (s )

Single pulse

Figure 5. Reverse leakage current versus reverse voltage

applied (typical values)

IR(mA)

E-02

1.

E-01

1.

1.E+00

1.E+01

E+02

1.

1.E+03

0

5

10

15

20

25

30

Tj=150°C

Tj=125°C

Tj=25°C

Tj=100°C

Tj=75°C

Tj=50°C

VR(V)

Figure 6. Junction capacitance versus reverse voltage

applied (typical values)

1000

F=1MHz

VOSC = 30 mV

Tj = 25 °C

VR(V)

C(pF)

10000

100

1

10

100

STPS30L30DJF

Characteristics (curves)

DS8955 - Rev 2

page 3/9