©2008 Fairchild Semiconductor Corporation

FDP51N25 / FDPF51N25 Rev. C1

www.fairchildsemi.com

5

Figure 11-1. Transient Thermal Response Curve for FDP51N25

Figure 11-2. Transient Thermal Response Curve for FDPF51N25 / FDPF51N25YDTU

10

-5

10

-4

10

-3

10

-2

10

-1

10

0

10

1

10

-2

10

-1

* Notes :

1. Z

(t) = 0.39

2. Duty Factor, D=t

3. T

(t)

single pulse

D=0.5

0.02

0.2

0.05

0.1

0.01

t

10

-5

10

-4

10

-3

10

-2

10

-1

10

0

10

1

10

-2

10

-1

10

0

* Notes :

1. Z

θJC

(t) = 3.3

2. Duty Factor, D=t

3. T

(t)

single pulse

D=0.5

0.02

0.2

0.05

0.1

0.01

t