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## IRF100S201 Fiches technique(PDF) 6 Page - International Rectifier

 No de pièce IRF100S201 Description Brushed Motor drive applications Download 12 Pages Scroll/Zoom 100% Fabricant IRF [International Rectifier] Site Internet http://www.irf.com Logo

## IRF100S201 Fiches technique(HTML) 6 Page - International Rectifier

 6 / 12 page IRF100B201/IRF100S2016www.irf.com© 2015 International RectifierSubmit Datasheet FeedbackMarch 26, 2015Fig 14. Maximum Effective Transient Thermal Impedance, Junction-to-CaseNotes on Repetitive Avalanche Curves , Figures 15, 16:(For further info, see AN-1005 at www.irf.com)1.Avalanche failures assumption:Purely a thermal phenomenon and failure occurs at atemperature far in excess of Tjmax. This is validated for everypart type.2. Safe operation in Avalanche is allowed as long asTjmax is notexceeded.3. Equation below based on circuit and waveforms shown in Figures23a, 23b.4. PD (ave) = Average power dissipation per single avalanche pulse.5. BV = Rated breakdown voltage (1.3 factor accounts for voltageincrease during avalanche).6. Iav = Allowable avalanche current.7.T = Allowable rise in junction temperature, not to exceed Tjmax(assumed as 25°C in Figure 14, 15).tav = Average time in avalanche.D = Duty cycle in avalanche = tav ·fZthJC(D, tav) = Transient thermal resistance, see Figures 14)PD (ave) = 1/2 ( 1.3·BV·Iav) = T/ ZthJCIav = 2T/ [1.3·BV·Zth]EAS (AR) = PD (ave)·tav  Fig 16. Maximum Avalanche Energy vs. TemperatureFig 15. Avalanche Current vs. Pulse Width1E-0061E-0050.00010.0010.010.11t1 , Rectangular Pulse Duration (sec)0.00010.0010.010.110.200.10D = 0.500.020.010.05SINGLE PULSE( THERMAL RESPONSE )Notes:1. Duty Factor D = t1/t22. Peak Tj = P dm x Zthjc + Tc1.0E-061.0E-051.0E-041.0E-031.0E-021.0E-01tav (sec)1101001000Duty Cycle = Single PulseAllowed avalanche Current vs avalanchepulsewidth, tav, assuming j = 25°C andTstart = 150°C.Allowed avalanche Current vs avalanchepulsewidth, tav, assuming Tj = 150°C andTstart =25°C (Single Pulse)0.010.050.10255075100125150175Starting TJ , Junction Temperature (°C)0100200300400500600TOPSingle PulseBOTTOM 1.0% Duty CycleID = 115A

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