WFF9N50 Silicon N-Channel MOSFET Features � 9A,500V, RDS(on)(Max0.75Ω)@VGS=10V � Ultra-low Gate charge(Typical 30nC) � Fast Switching Capability � 100%Avalanche Tested � Maximum Junction Temperature Range(150℃) General Description This Power MOSFET is produced using Winsemi's advanced planar stripe,DMOS technology.This latest technology has been especially designed to minimize on-state resistance, have a high rugged avalanche characteristics .This devices is specially well suited for high efficiency switch model power supplies, power factor correction and half bridge and full bridge resonant topology line a electronic lamp ballast. Absolute Maximum Ratings Symbol VDSS Parameter Value Units 500 V Continuous Drain Current(@Tc=25℃) 9 A Continuous Drain Current(@Tc=100℃) 5.1 A 32 A ±30 V Drain Source Voltage ID IDM Drain Current Pulsed (Note1) VGS Gate to Source Voltage EAS Single Pulsed Avalanche Energy (Note2) 510 mJ EAR Repetitive Avalanche Energy (Note1) 13 mJ dv/dt Peak Diode Recovery dv /dt (Note3) 3.5 V/ ns 44 W 0.35 W/℃ -55~150 ℃ 300 ℃ Total Power Dissipation(@Tc=25℃) PD Derating Factor above 25℃ TJ,Tstg TL Junction and Storage Temperature Channel Temperature Thermal Characteristics Symbol Parameter Value Min Typ Max Units RQJC Thermal Resistance , Junction -to -Case - - 2.86 ℃/W RQCS Thermal Resistance , Case-to-Sink - 0.5 - ℃/W RQJA Thermal Resistance , Junction-to -Ambient - - 62.5 ℃/W Rev.A Oct.2010 Copyright@Winsemi Microelectronics Co., Ltd., All right reserved. WFF9N50 Electrical Characteristics(Tc=25℃) Characteristics Symbol Gate leakage current Gate-source breakdown voltage Test Condition Min Type Max Unit IGSS VGS=±30V,VDS=0V - - ±100 nA V(BR)GSS IG=±10 µA,VDS=0V ±30 - - V VDS=500V,VGS=0V - - 1 µA 10 µA - V Drain cut -off current IDSS VDS=400V,TC=125℃ Drain -source breakdown voltage V(BR)DSS Breakdown voltage Temperature △BVDSS/ ID=250 µA,VGS=0V 500 - ID=250µA,Referenced 0.57 V/℃ Coefficient △TJ to 25℃ Gate threshold voltage VGS(th) VDS=10V,ID=250 µA 3 - 5 V Drain -source ON resistance RDS(ON) VGS=10V,ID=4.8A - - 0.75 Ω Forward Transconductance gfs VDS=50V,ID=4.8A 3.7 Input capacitance Ciss VDS=25V, - 1018 - Reverse transfer capacitance Crss VGS=0V, - 8 - Output capacitance Coss f=1MHz - 155 - VDD=250V, - 11 - ID=9A - 23 - tf RG=9.1Ω - 26 - toff RD=31Ω - 19 - - 30 38 - 7 9 - 15 18 Min Type Max Unit Rise time tr Turn-on time ton S Switching time pF ns Fall time Turn-off time Total gate charge(gate-source (Note4,5) VDD=400V, Qg plus gate-drain) VGS=10V, nC Gate-source charge Qgs Gate-drain("miller") Charge Qgd ID=9A (Note4,5) Source-Drain Ratings and Characteristics(Ta=25℃) Characteristics Symbol Test Condition Continuous drain reverse current IDR - - - 9 A Pulse drain reverse current IDRP - - - 32 A Forward voltage(diode) VDSF IDR=9A,VGS=0V - 1.4 2.0 V Reverse recovery time trr IDR=9A,VGS=0V, - 442 633 ns Reverse recovery charge Qrr dIDR / dt =100 A / µs - 2.16 3.24 µC Note 1.Repeativity rating :pulse width limited by junction temperature 2.L=18.5mH IAS=9A,VDD=50V,RG=0Ω,Starting TJ=25℃ 3.ISD≤9A,di/dt≤300A/us,VDD<BVDSS,STARTING TJ=25℃ 4.Pulse Test:Pulse Width≤300us,Duty Cycle≤2% 5. Essentially independent of operating temperature. This transistor is an electrostatic sensitive device Please handle with caution 2/7 Steady, keep you advance WFF9N50 Fig.1 On State Characteristics Fig.2 Transfer Characteristics Fig.3 Capacitance Variation vs Fig.4 Maximum Avalanche Energy vs On-State Current Drain Voltage Fig.5 On-Resistance Variation vs Fig.6 Gate Charge Characteristics Junction temperature 3/7 Steady, keep you advance WFF9N50 Fig.7 Maximum Safe Operation Area Fig.8 Maximum Drain Current vs Case temperature Fig.9 Transient thermal Response Curve 4/7 Steady, keep you advance WFF9N50 Fig.10 Gate Test circuit & Waveform Fig.11 Resistive Switching Test Circuit & Waveform Fig.12 Unclamped Inductive Switching Test Circuit & Waveform 5/7 Steady, keep you advance WFF9N50 Fig.13 Peak Diode Recovery dv/dt Test Circuit & Waveform 6/7 Steady, keep you advance WFF9N50 F Package Dimension TO-220 TO-220F Unit:mm 7/7 Steady, keep you advance