Table 4. Thermal resistance parameter

Symbol

Parameter

Value

Unit

Rth(j-c)

Thermal resistance Junction to case (DC)

Max.

1.0

°C/W

1.1

Characteristics (curves)

Figure 1. Maximum average power dissipation versus

average on-state current

0

2

4

6

8

10

12

14

16

18

20

22

24

0

2

4

6

8

10

12

14

16

IT(AV)(A)

P(W)

Figure 2. Average and DC on-state current versus case

temperature

0

2

4

6

8

10

12

14

16

18

20

22

24

26

28

0

25

50

75

100

125

TCASE(°C)

I

T(AV)(A)

D.C

α = 180°

Figure 3. Average and D.C. on state current versus

ambient temperature

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0

25

50

75

100

125

Tamb(°C)

I

T(AV)(A)

D.C

α = 180°

Figure 4. Relative variation of thermal impedance junction

to case

1.0E-02

1.0E-01

1.0E+00

1.0E-03

1.0E-02

1.0E-01

1.0E+00

1.0E+01

1.0E+02

1.0E+03

tP(s)

K=[Z

th(j-c) /Rth(j-c) ]

Zth(j-c)

TN2540-12G

Characteristics (curves)

DS12791 - Rev 1

page 3/10