IRFH4253DPBF 데이터 시트보기 (PDF) - International Rectifier
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IRFH4253DPBF Datasheet PDF : 12 Pages
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IRFH4253DPbF
100
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming Tj = 125°C and
Tstart =25°C (Single Pulse)
10
1
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming j = 25°C and
Tstart = 125°C.
0.1
1.0E-06
1000
100
1.0E-05
1.0E-04
1.0E-03
tav (sec)
1.0E-02
Fig 25. Typical Avalanche Current vs. Pulse Width (Q1)
1.0E-01
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming Tj = 125°C and
Tstart =25°C (Single Pulse)
10
1
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming j = 25°C and
Tstart = 125°C.
0.1
1.0E-06
10
1.0E-05
1.0E-04
1.0E-03
1.0E-02
1.0E-01
tav (sec)
Fig 26. Typical Avalanche Current vs. Pulse Width (Q2)
1.0E+00
1.0E+01
D = 0.50
1
0.20
0.10
0.05
0.1
0.02
0.01
0.01
0.001
1E-006
SINGLE PULSE
( THERMAL RESPONSE )
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
10
t1 , Rectangular Pulse Duration (sec)
Fig 27. Maximum Effective Transient Thermal Impedance, Junction-to-Case (Q1)
8 www.irf.com © 2013 International Rectifier
June 10, 2013
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