Document Number: 91104

www.vishay.com

S-81243-Rev. B, 21-Jul-08

5

IRFB9N65A, SiHFB9N65A

Vishay Siliconix

Fig. 9 - Maximum Drain Current vs. Case Temperature

Fig. 10a - Switching Time Test Circuit

Fig. 10b - Switching Time Waveforms

Fig. 11 - Maximum Effective Transient Thermal Impedance, Junction-to-Case

Fig. 12a - Unclamped Inductive Test Circuit

Fig. 12b - Unclamped Inductive Waveforms

25

50

75

100

125

150

0.0

2.0

4.0

6.0

8.0

10.0

T , Case Temperature

( C)

°

C

Pulse width

≤ 1 µs

Duty factor

≤ 0.1 %

D.U.T.

10V

+

90 %

10 %

0.01

0.1

1

0.00001

0.0001

0.001

0.01

0.1

1

Notes:

1. Duty factor D =

t / t

2. Peak T = P

x Z

+ T

1

2

J

DM

thJC

C

P

t

t

DM

1

2

t , Rectangular Pulse Duration (s)

1

0.01

0.02

0.05

0.10

0.20

D = 0.50

SINGLE PULSE

(THERMAL RESPONSE)

A

A

R

G

0.01

Ω

D.U.T.

L

+

Driver

A

15 V

20 V