1.1

Characteristics (curves)

Figure 1. Average forward power dissipation versus

average forward current

PF(AV)(W)

0.0

0.5

1.0

1.5

2.0

2.5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

IF(AV)(A)

= 0.05

= 0.2

= 0.1

= 0.

= 1

T

=tp/T

tp

Figure 2. Average forward current versus ambient

temperature (δ = 0.5)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0

25

5 0

7 5

100

125

150

17 5

IF(AV)(A)

Rth(j-a)=Rth(j-l)

SMB

Tamb (°C)

T

=tp/T

tp

δ

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)

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.E-02

1.E-01

1.E+00

1.E+01

1.E+02

1.E+03

Zth(j-a)/Rth(j-a)

tp(s)

SMB

Single pulse

Figure 5. Reverse leakage current versus reverse voltage

applied (typical values)

IR(µA)

1.E-02

1.E-01

1.E+00

1.E+01

1.E+02

1.E+03

1.E+04

0

25

50

75

100

125

150

V (V)

R

Tj = 125 °C

Tj = 150 °C

Tj = 100 °C

Tj = 50 °C

Tj = 25 °C

Tj = 75 °C

Figure 6. Junction capacitance versus reverse voltage

applied (typical values)

C(pF)

10

100

1000

1

1 0

100

1000

F = 1 MHz

V

= 30 mV

OSC

RMS

Tj = 25 °C

V (V)

R

STPS3150-Y

Characteristics (curves)

DS7256 - Rev 2

page 3/9