403CMQ100 datasheet(4/7 Pages) VISHAY

Part #	403CMQ100

Description	Schottky Rectifier, 400 A

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Manufacturer	VISHAY [Vishay Siliconix]

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Document Number: 93055

4

Revision: 19-Nov-09

403CMQ100

Vishay High Power Products

Schottky Rectifier, 400 A

Fig. 5 - Maximum Allowable Case Temperature vs.

Average Forward Current

Fig. 6 - Forward Power Loss Characteristics

Fig. 7 - Maximum Non-Repetitive Surge Current

Fig. 8 - Unclamped Inductive Test Circuit

Note

(1) Formula used: TC = TJ - (Pd + PdREV) x RthJC;

Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6);

PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 80 % rated VR

AverageForwardCurrent-I

F(AV)

(A)

0

40

80

120

160

200

0100

200

300

DC

see note (1)

Square wave (D = 0.50)

Rated V applied

R

AverageForwardCurrent-I

F(AV)

(A)

0

50

100

150

200

0

50

100

150

200

250

300

DC

RMS Limit

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

SquareWavePulseDuration-t

p

(microsec)

1000

10000

100000

10

100

1000

10000

At Any Rated Load Condition

And With Rated V

Applied

Following Surge

RRM

Current

monitor

High-speed

switch

D.U.T.

R

g = 25 Ω

+

Freewheel

diode

V

d = 25 V

L

IRFP460

40HFL40S02

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