STPR120A

3/5

0.0

0.2

0.4

0.6

0.8

1.0

1.2

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

IF(av) (A)

PF(av)(W)

δ = 0.05 δ = 0.1

δ = 0.2

δ = 0.5

δ = 1

Fig. 1: Average forward power dissipation versus

average forward current.

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0

1

2

3

4

5

6

7

8

9

10

IM(A)

P=1.5W

P=1.0W

P=0.5W

P=0.25W

δ

Fig. 2: Peak current versus form factor.

0

25

50

75

100

125

150

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

Tamb(°C)

IF(av)(A)

Rth(j-a)=120°C/W

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

Fig. 3: Average forward current versus ambient

temperature (

δ=0.5).

1E-3

1E-2

1E-1

1E+0

0

1

2

3

4

5

6

t(s)

IM(A)

Ta=25°C

Ta=125°C

Ta=100°C

Fig. 4: Non repetitive surge peak forward current

versus overload duration.

1E-3

1E-2

1E-1

1E+0

1E+1

1E+2 5E+2

1

10

100

200

tp(s)

Zth(j-a)(°C/W)

Single pulse

Fig. 5: Variation of thermal impedance junction to

ambient versus pulse duration (Recommended

pad layout, epoxy FR4, e(Cu)=35

µm).

0.0

0.5

1.0

1.5

2.0

2.5

3.0

0.01

0.10

1.00

10.00

50.00

VFM(V)

IFM(A)

Tj=150°C

Tj=25°C

Fig. 6: Forward voltage drop versus forward cur-

rent (maximum values).