31DQ10 查看數據表（PDF） - International Rectifier
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31DQ10 Datasheet PDF : 5 Pages
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31DQ09, 31DQ10
Bulletin PD-2.306 rev. G 12/03
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
4
D = 0.20
D = 0.25
D = 0.33
3 D = 0.50
D = 0.75
DC
2 RMS Limit
1
0
0
1
2
3
4
5
Average Forward Current - IF(AV) (A)
Fig. 5- Forward Power Loss
Characteristics
1000
At Any Rated Load Condition
And With Rated VRRM Applied
Following Surge
100
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
www.irf.com
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