40L15CT datasheet(4/8 Pages) IRF

4 / 8 page

40L15CT, 40L15CTS, 40L15CT-1

Bulletin PD-20568 rev. E 09/01

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 0

2 5

3 0

F(A V)

RM S Lim it

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

A vera g e Forw a rd C urren t - I

(A)

100

1000

100

1000

10000

At An y Rate d Load C ond ition

A n d W ith Rate d V

Ap plie d

Follow in g Surg e

RRM

Sq uare W ave Pulse D uration - t

(m ic rose c )

100

1 2

F(A V)

see n o te ( 2)

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

(A)

Squa re w ave (D = 0.50)

(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

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