STPS40L45CT/CW

2/6

Symbol

Parameter

Tests Conditions

Min.

Typ.

Max.

Unit

Reverse leakage cur-

rent

Tj = 25°C

0.6

mA

Tj = 125°C

140

280

mA

Forward voltage

drop

Tj=25

0.53

V

Tj = 125°C

0.42

0.49

Tj = 25°C

0.69

Tj = 125°C

0.6

0.7

Pulse test:*tp=380 µs,

δ <2%

To evaluate the conduction losses use the following equation :

2

(RMS)

STATIC ELECTRICAL CHARACTERISTICS (per diode)

Symbol

Parameter

Value

Unit

Junction to case

Per diode

Total

1.5

0.8

°C/W

Coupling

0.1

°C/W

THERMAL RESISTANCES

0

2

4

6

8

1012141618202224

0

2

4

6

8

10

12

14

16

IF(av) (A)

PF(av)(W)

T

tp

δ = 0.05

δ = 0.1

δ = 0.2

δ = 0.5

δ = 1

Fig. 1: Average forward power dissipation versus

average forward current (per diode).

When the diodes 1 and 2 are used simultaneously :

0

25

50

75

100

125

150

0

2

4

6

8

10

12

14

16

18

20

22

Tamb(°C)

IF(av)(A)

Rth(j-a)=15°C/W

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

T

tp

Fig. 2: Average forward current versus ambient

temperature (

δ = 0.5, per diode)