www.irf.com

5

HFB16HY20CC

2

Fig. 10 - Reverse Recovery Waveform and Definitions

Fig. 9 - Reverse Recovery Parameter Test Circuit

0.5

di(rec)M/dt

5

4

3

2

0

1

di /dt

f

through zero crossing

3.trr-Reverserecoverytimemeasured

from zero crossing point of negative

extrapolated to zero current

REVERSE RECOVERY CIRCUIT

IRFP250

D.U.T.

L = 70µH

V

= 200V

R

0.01

Ω

G

D

S

dif/dt

ADJUST

Case Outline and Dimensions — TO-257AA

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IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105

IR LEOMINSTER : 205 Crawford St., Leominster, Massachusetts 01453, USA Tel: (978) 534-5776

TAC Fax: (310) 252-7903

Visit us at www.irf.com for sales contact information.

Data and specifications subject to change without notice. 03/2006