IRF7321D2

www.irf.com

5

Fig 9. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient

Fig 10. Typical On-Resistance Vs. Drain

Current

Fig 11. Typical On-Resistance Vs. Gate

Voltage

0.1

1

10

100

0.00001

0.0001

0.001

0.01

0.1

1

10

100

Notes:

1. Duty factor D = t / t

2. Peak T = P

x Z

+ T

1

2

J

DM

thJA

A

P

t

t

DM

1

2

t , Rectangular Pulse Duration (sec)

1

0.01

0.02

0.05

0.10

0.20

0.50

SINGLE PULSE

(THERMAL RESPONSE)

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0

102030

A

V

= -4.5V

V

= -10V

GS

GS

0.00

0.04

0.08

0.12

0.16

0

3

6

9

12

15

A

I

= -4.9A

D

Power Mosfet Characteristics