IRFP450A

www.vishay.com

Vishay Siliconix

S22-0058-Rev. B, 31-Jan-2022

6

Document Number: 91230

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

Fig. 12a - Unclamped Inductive Test Circuit

Fig. 12b - Unclamped Inductive Waveforms

Fig. 12c - Maximum Avalanche Energy vs. Drain Current

Fig. 13a - Basic Gate Charge Waveform

Fig. 12d - Typical Drain-to-Source Voltage vs.

Avalanche Current

Fig. 13b - Gate Charge Test Circuit

A

R

G

0.01

Ω

D.U.T.

L

+

Driver

15 V

20 V

Q

GS

Q

GD

Q

G

Charge

10 V

D.U.T.

3 mA

V

GS

V

DS

I

G

I

D

0.3 µF

0.2 µF

50 k

Ω

12 V

Current regulator

Current sampling resistors

Same type as D.U.T.

+

-