31DQ03 데이터 시트보기 (PDF) - International Rectifier
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31DQ03 Datasheet PDF : 5 Pages
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31DQ03, 31DQ04
Bulletin PD-2.304 rev. E 03/03
150
120
DC
90
60
Square wave (D = 0.50)
80% Rated VRapplied
30
see note (2)
0
0
1
2
3
4
5
Average Forward Current - IF(AV) (A)
Fig. 4 - Max. Allowable Lead Temperature
Vs. Average Forward Current
1000
2.5
D = 0.20
D = 0.25
2 D = 0.33
D = 0.50
D = 0.75
1.5
RMS Limit
DC
1
0.5
0
0
1
2
3
4
5
Average Forward Current - IF(AV) (A)
Fig. 5- Forward Power Loss
Characteristics
100
At Any Rated Load Condition
And With Rated VRRM Applied
Following Surge
10
10
100
1000
10000
Square Wave Pulse Duration - tp (microsec)
Fig. 6 - Max. Non-Repetitive Surge Current
(2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ;
Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6);
PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1= 80% rated VR
4
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