203DMQ datasheet(4/5 Pages) IRF

Il numero della parte	203DMQ

Spiegazioni elettronici	The 203DMQ Schottky rectifier doubler module series has been optimized for low reverse leakage at high temperature.

PDF	5 Pages

Scroll/Zoom	100%

Produttore elettronici	IRF [International Rectifier]

Homepage	http://www.irf.com

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4 / 5 page

203DMQ... Series

Bulletin PD-20579 rev. C 02/04

www.irf.com

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)

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

Average Forward Current - I

F(AV) (A)

Average Forward Current - I

F(AV) (A)

Square Wave Pulse Duration - t

p (microsec)

100

150

200

250

100

150

200

250

300

RMS Limit

D = 0.75

D = 0.50

D = 0.33

D = 0.25

D = 0.20

1000

10000

100000

100

1000

10000

At Any Rated Load Condition

And With Rated Vrrm Applied

Following Surge

100

120

140

160

180

100

150

200

250

300

80% Square Wave

(D = 0.50)

see note (2)

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