21DQ04 데이터 시트보기 (PDF) - International Rectifier

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21DQ04

SCHOTTKY RECTIFIER 2 Amp

International Rectifier 

21DQ04

Bulletin PD-20707 rev. C 03/03

150

DC

120

90

Square wave (D = 0.50)

60 80% Rated V R applied

30

= 1/8 inch

see note (2)

0

0

1

2

3

Average Forward Current - I F(AV) (A)

Fig. 4 - Maximum Allowable Lead Temperature

Vs. Average Forward Current

1000

2

D = 0.20

1.6

D = 0.25

D = 0.33

D = 0.50

1.2

D = 0.75

RM S Lim it

DC

0.8

0.4

0

0

1

2

3

Average Forward Current - I F(AV) (A)

Fig. 5 - Forward Power Loss Characteristics

100

At Any Rated Load Condition

And W ith Rated VRRM Applied

Following Surge

10

10

100

1000

10000

Square W ave Pulse Duration - t p (microsec)

Fig. 6 - Maximum Non-Repetitive Surge Current

(2) Formula used: TL = TJ - (Pd + PdREV) x RthJL ;

Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 5);

PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1= 80% rated VR

4

www.irf.com

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