52CPQ030 datasheet(4/5 Pages) IRF

4 / 5 page

52CPQ030

www.irf.com

Bulletin PD-20556 rev. B 05/02

Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)

Fig. 5 - Max. Allowable Case Temperature

Vs. Average Forward Current (Per Leg)

Fig. 8 - Unclamped Inductive Test Circuit

Fig. 6 - Forward Power Loss Characteristics

(Per Leg)

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

1 5

3 0

4 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

110

120

130

140

150

1 0

1 5

2 0

3 5

F(A V)

see n o te ( 2)

Squa re w ave (D = 0.50)

80% Ra te d V

ap p lie d

A ve rag e Forw a rd C urre n t - I

(A )

100

1000

10000

100

1000

10000

At Any Rate d Load C ondition

An d W ith Rated V

Applied

Follow in g Surg e

RRM

Square W ave Pulse D uration - t

(m icrose c )

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