15MQ040N 查看數據表（PDF） - International Rectifier
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15MQ040N Datasheet PDF : 6 Pages
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15MQ040N
Bulletin PD-20517 rev. H 07/04
150
140
130
DC
120
110
100 D = 0.20
90 D = 0.25
80
D = 0.33
D = 0.50
70 D = 0.75
60 Square wave (D = 0.50)
50 80%Rated VR applied
40 see note (2)
30
0 0.5 1 1.5 2 2.5 3
Average Forward Current - I F(AV) (A)
Fig. 4 - Maximum Average Forward Current
Vs. Allowable Lead Temperature
1.6
D = 0.20
1.4 D = 0.25
D = 0.33
1.2 D = 0.50
D = 0.75
1
RMSLimit
0.8
DC
0.6
0.4
0.2
0
0 0.5 1 1.5 2 2.5 3
Average Forward Current - I F(AV) (A)
Fig. 5 - Maximum Average Forward Dissipation
Vs. Average Forward Current
1000
At Any Rated Load Condition
And With Rated VRRM Applied
Following Surge
100
10
100
1000
10000
Square Wave Pulse Duration - t p (microsec)
Fig. 6 - Maximum Peak Surge Forward Current Vs. Pulse Duration
(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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