STPS2L40U datasheet(4/10 Pages) STMICROELECTRONICS

4 / 10 page

Characteristics

STPS2L40

4/10

Figure 7.

Non repetitive surge peak forward

current versus overload duration

(maximum values) SMAflat

Figure 8.

Normalized avalanche power

derating versus pulse duration

I(A)

1.E-03

1.E-02

1.E-01

1.E+00

a=25 °C

a=75 °C

a=125 °C

δ =0.5

SMAflat

t(s)

0.001

0.01

0.1

0.01

0.1

100

1000

t (µs)

P(t )

(1µs)

ARM p

ARM

Figure 9.

Normalized avalanche power

derating versus junction

temperature

Figure 10.

Relative variation of thermal

impedance junction to ambient

versus pulse duration - SMB

0.2

0.4

0.6

0.8

1.2

100

125

150

T (°C)

P(T )

(25°C)

ARM

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

Z/R

th(j-a)

δ=tp/T

t (s)

Single pulse

SMB

Figure 11.

Relative variation of thermal

impedance junction to lead

versus pulse duration - SMBflat

Figure 12.

Relative variation of thermal

impedance junction to ambient

versus pulse duration - SMAflat

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.E-04

1.E-03

1.E-02

1.E-01

1.E+00

1.E+01

Z/R

th(j-l)

SMBflat

δ=tp/T

t (s)

Single pulse

Z/R

th(j-a)

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

Single pulse

SMAflat

t (s)

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