IRFZ46ZSPBF(2004) データシートの表示（PDF） - International Rectifier
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IRFZ46ZSPBF Datasheet PDF : 13 Pages
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10
5
0
25
50 75 100 125 150 175
TC , Case Temperature (°C)
Fig 9. Maximum Drain Current vs.
Case Temperature
IRFZ46Z/S/LPbF
2.5
ID = 31A
VGS = 10V
2.0
1.5
1.0
0.5
-60 -40 -20 0 20 40 60 80 100 120 140 160 180
TJ , Junction Temperature (°C)
Fig 10. Normalized On-Resistance
vs. Temperature
10
1 D = 0.50
0.20
0.10
0.1
0.05
0.02
0.01
0.01
0.001
1E-006
SINGLE PULSE
( THERMAL RESPONSE )
τJ τJ
τ1 τ1
R1R1
Ci= τi/Ri
Ci= i/Ri
R2R2
τ2 τ2
R3R3 Ri (°C/W) τi (sec)
τCτ 0.9322 0.000357
τ3 τ3
0.5533 0.001133
0.3545 0.004091
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
1E-005
0.0001
0.001
0.01
0.1
1
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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