STPS3L40S

2/4

Symbol

Parameter

Tests conditions

Typ.

Max.

Unit

Reverse leakage current

Tj = 25°C

100

µA

Tj = 125°C

16

40

mA

Forward voltage drop

Tj = 25

0.5

V

Tj = 125°C

0.40

0.44

Tj=25

0.62

Tj = 125°C

0.52

0.58

Pulse test : * tp = 380

µs, δ <2%

To evaluate the maximum conduction losses use the following equation :

2

(RMS)

STATIC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Value

Unit

Junction to leads

18

°C/W

THERMAL RESISTANCES

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

IF(av) (A)

PF(av)(W)

δ = 0.05

δ = 0.1

δ = 0.2

δ = 0.5

δ = 1

T

tp

Fig. 1: Average forward power dissipation versus

average forward current.

0

25

50

75

100

125

150

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Tamb(°C)

IF(av)(A)

Rth(j-a)=75°C/W

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

T

tp

Fig. 2: Average forward current versus ambient

temperature(

δ = 0.5).

1E-1

1E+0

1E+1

1E+2

1E+3

0.0

0.2

0.4

0.6

0.8

1.0

tp(s)

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

Single pulse

δ = 0.5

δ = 0.2

δ = 0.1

Fig. 4: Relative variation of thermal impedance

junction to ambient versus pulse duration (epoxy

printed circuit board, e(Cu)=35

µm, recommended

pad layout).

1E-3

1E-2

1E-1

1E+0

0

2

4

6

8

10

12

14

t(s)

IM(A)

Ta=75°C

Ta=125°C

Ta=25°C

t

δ=0.5

Fig. 3: Non repetitive surge peak forward

current versus overload duration (maximum

values).