IRFP450, SiHFP450 Vishay Siliconix RD VDS VGS D.U.T. RG + - VDD 10 V Pulse width ≤ 1 µs Duty factor ≤ 0.1 % Fig. 10a - Switching Time Test Circuit VDS 90 % 10 % VGS t t t t d(on) r d(off) f Fig. 9 - Maximum Drain Current vs. Case TemperatureFig. 10b - Switching Time WaveformsFig. 11 - Maximum Effective Transient Thermal Impedance, Junction-to-Case L VDS VDS Vary t t p to obtain p required IAS VDD R D.U.T G + V - DD VDS I A AS 10 V t 0.01 p Ω IAS Fig. 12a - Unclamped Inductive Test CircuitFig. 12b - Unclamped Inductive Waveforms Document Number: 91233 www.vishay.com S-81271-Rev. A, 16-Jun-08 5
