STPS1045B/H

2/5

Symbol

Parameter

Value

Unit

Junction to case

3

°C/W

THERMAL RESISTANCES

Symbol

Parameter

Tests Conditions

Min.

Typ.

Max.

Unit

Reverse leakage current

Tj = 25°C

100

µA

Tj = 125°C

7

15

mA

Forward voltage drop

Tj = 25°C

0.63

V

Tj = 125°C

0.5

0.57

Tj = 25°C

0.84

Tj = 125°C

0.65

0.72

STATIC ELECTRICAL CHARACTERISTICS

Pulse test :

* tp = 380

µs, δ <2%

**tp = 5 ms,

δ <2%

To evaluate the maximum conduction losses use the following equation :

2

(RMS)

01234567

89

10

11

12

0

1

2

3

4

5

6

7

8

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.

1E-3

1E-2

1E-1

1E+0

0

20

40

60

80

100

120

t(s)

IM(A)

Tc=50°C

Tc=100°C

Tc=150°C

t

δ=0.5

Fig. 3: Non repetitive surge peak forward current

versus overload duration (maximum values).

0

25

50

75

100

125

150

175

0

2

4

6

8

10

12

Tamb(°C)

IF(av)(A)

Rth(j-a)=15°C/W

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

Rth(j-a)=70°C/W

T

tp

Fig. 2: Average forward current versus ambient

temperature (

δ=0.5).

1E-4

1E-3

1E-2

1E-1

1E+0

0.0

0.2

0.4

0.6

0.8

1.0

tp(s)

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

T

tp

Single pulse

δ = 0.1

δ = 0.2

δ = 0.5

Fig. 4: Relative variation of thermal impedance

junction to case versus pulse duration.