MBRS320TR データシートの表示（PDF） - International Rectifier
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MBRS320TR Datasheet PDF : 5 Pages
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MBRS320TR
Bulletin PD-20645 rev. A 02/02
155
150
145
140
135
130 Square wave
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
DC
125 see note (2)
120
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
AverageForwardCurrent - IF(AV)(A)
Fig.5-Maximum Average Forward Current
Vs. Allowable Lead Temperature
1000
1.6
D = 0.20
1.4 D = 0.25
D = 0.33
1.2 D = 0.50
D = 0.75
1
0.8 RMS Limit
0.6
DC
0.4
0.2
0
0
1
2
3
4
5
AverageForwardCurrent - IF(AV)(A)
Fig. 6 - Maximum Average Forward Dissipation
Vs. Average Forward Current
Tj = 25˚C
100
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
10
10
100
1000
10000
SquareWavePulseDuration -tp(microsec)
Fig. 7 - 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)
PdREV = Inverse Power Loss = VR1 x IR (1 - D)
(see Fig. 6);
4
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