403DMQ datasheet(4/5 Pages) IRF

No. de pieza	403DMQ

Descripción Electrónicos	SCHOTTKY RECTIFIER

PDF	5 Pages

Scroll/Zoom	100%

Fabricante Electrónico	IRF [International Rectifier]

Página de inicio	http://www.irf.com

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4 / 5 page

403DMQ... Series

Bulletin PD-2.259 rev. C 02/04

www.irf.com

Fig. 5 - Max. Allowable Case Temperature

Vs. Average Forward Current

Fig. 8 - Unclamped Inductive Test Circuit

Fig. 6 - Forward Power Loss Characteristics

FREE-WHEEL

DIODE

40HFL40S02

CURRENT

MONITOR

HIGH-SPEED

SWITCH

IRFP460

DUT

Rg = 25 ohm

Vd = 25 Volt

(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

120

160

200

400

600

see note (2)

Square wave (D = 0.50)

80% Rated V

applied

1000

10000

100000

100

1000

10000

At Any Rated Load Condition

And With Rated V

Applied

Following Surge

RRM

Average Forward Current - I

F(AV) (A)

Average Forward Current - I

F(AV) (A)

Square Wave Pulse Duration - t

P (microsec)

Fig. 7 - Max. Non-Repetitive Surge Current

200

400

600

200

400

600

RMS Limit

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

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