401CMQ datasheet(4/5 Pages) IRF

4 / 5 page

401CMQ... Series

Bulletin PD-20735 rev. B 08/01

www.irf.com

FR EE-W HE EL

D IO D E

40H FL40S02

CUR RE N T

MO N ITO R

HIG H -SPE ED

SW ITC H

IRFP460

DUT

Rg = 25 ohm

Vd = 25 V olt

Fig. 5 - Max. Allowable Case Temperature

Vs. Average Forward Current

AverageForwardCurrent-I

F(AV)(A)

SquareWavePulseDuration-t

p(microsec)

Fig. 7 - Max. Non-Repetitive Surge Current

Fig.6-Forward Power Loss Characteristics

AverageForwardCurrent-I

F(AV)(A)

Fig. 8 - Unclamped Inductive Test Circuit

(2) Formula used: T

C = TJ - (Pd + PdREV) x RthJC ;

Pd = Forward Power Loss = I

F(AV) x VFM @ (IF(AV) / D)

(see Fig. 6);

REV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR

100

125

150

175

100

150

200

250

300

RMS Limit

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

1000

10000

100000

100

1000

10000

At Any Rated Load Condition

And With Rated V

Applied

Following Surge

RRM

100

120

140

160

180

100

200

300

see note (2)

Square wave (D = 0.50)

80% Rated V applied

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