6TQ datasheet(4/6 Pages) IRF

4 / 6 page

6TQ... Series

Bulletin PD-20283 rev. A 05/02

www.irf.com

Fig. 8 - Unclamped Inductive Test Circuit

Fig. 5 - Maximum Allowable Case Temperature

Vs. Average Forward Current

Fig. 6 - Forward Power Loss Characteristics

Fig. 7 - Maximum Non-Repetitive Surge Current

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

(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

15 0

15 5

16 0

16 5

17 0

17 5

18 0

F(A V)

see n ote (2)

Squa re w ave (D = 0.50)

80% Ra te d V ap p lie d

A ve ra g e Forw ard C urren t - I

(A)

345

6789

F(A V )

RM S Lim it

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

A ve rag e Forw a rd C urren t - I

(A )

10 0

10 0 0

10 0

10 0 0

10000

Sq uare W ave Pulse D ura tion - t

(m ic rose c )

At Any Rate d Load C on dition

An d W ith Rate d V

A pplie d

Follow in g S urg e

RRM

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