November 2001IRFR420B / IRFU420B500V N-Channel MOSFETGeneral Description FeaturesThese N-Channel enhancement mode power field effect 2.3A, 500V, RDS(on) = 2.6 @VGS = 10 Vtransistors are produced using Fairchilds proprietary, Low gate charge ( typical 14 nC)planar, DMOS technology. Low Crss ( typical 10 pF)This advanced technology has been especially tailored to

PD - 95078AIRFR420PbFIRFU420PbF Lead-Free1/7/05Document Number: 91275 www.vishay.com1IRFR/U420PbFDocument Number: 91275 www.vishay.com2IRFR/U420PbFDocument Number: 91275 www.vishay.com3IRFR/U420PbFDocument Number: 91275 www.vishay.com4IRFR/U420PbFDocument Number: 91275 www.vishay.com5IRFR/U420PbFDocument Number: 91275 www.vishay.com6IRFR/U420

PD - 95075ASMPS MOSFETIRFR420APbFIRFU420APbFApplicationsHEXFET Power MOSFETl Switch Mode Power Supply (SMPS)l Uninterruptible Power SupplyVDSS RDS(on) max IDl High speed power switching500V 3.0 3.3Al Lead-FreeBenefitsl Low Gate Charge Qg results in SimpleDrive Requirementl Improved Gate, Avalanche and dynamicdv/dt Ruggednessl Fully Characterized Capacitanc

IRFR420, IRFU420, SiHFR420, SiHFU420Vishay SiliconixPower MOSFETFEATURESPRODUCT SUMMARY Halogen-free According to IEC 61249-2-21VDS (V) 500DefinitionRDS(on) ()VGS = 10 V 3.0 Dynamic dV/dt Rating Repetitive Avalanche RatedQg (Max.) (nC) 19 Surface Mount (IRFR420, SiHFR420)Qgs (nC) 3.3 Straight Lead (IRFU420, SiHFU420)Qgd (nC) 13 Available in Tap

IRFR420A, IRFU420A, SiHFR420A, SiHFU420AVishay SiliconixPower MOSFETFEATURESPRODUCT SUMMARY Halogen-free According to IEC 61249-2-21VDS (V) 500DefinitionRDS(on) ()VGS = 10 V 3.0 Low Gate Charge Qg Results in Simple DriveRequirementQg (Max.) (nC) 17 Improved Gate, Avalanche and DynamicQgs (nC) 4.3dV/dt RuggednessQgd (nC) 8.5 Fully Characterized Capac

IRFR420A, IRFU420A, SiHFR420A, SiHFU420AVishay SiliconixPower MOSFETFEATURESPRODUCT SUMMARY Halogen-free According to IEC 61249-2-21VDS (V) 500DefinitionRDS(on) ()VGS = 10 V 3.0 Low Gate Charge Qg Results in Simple DriveRequirementQg (Max.) (nC) 17 Improved Gate, Avalanche and DynamicQgs (nC) 4.3dV/dt RuggednessQgd (nC) 8.5 Fully Characterized Capac

IRFR420, IRFU420, SiHFR420, SiHFU420www.vishay.comVishay SiliconixPower MOSFETFEATURESPRODUCT SUMMARY Dynamic dV/dt RatingVDS (V) 500 Repetitive Avalanche RatedRDS(on) ()VGS = 10 V 3.0 Surface Mount (IRFR420, SiHFR420) Straight Lead (IRFU420, SiHFU420)Qg (Max.) (nC) 19 Available in Tape and ReelQgs (nC) 3.3 Fast SwitchingQgd (nC) 13 Ease

IRFR420A, IRFU420A, SiHFR420A, SiHFU420Awww.vishay.comVishay SiliconixPower MOSFETFEATURESPRODUCT SUMMARY Low Gate Charge Qg Results in Simple DriveVDS (V) 500RequirementRDS(on) ()VGS = 10 V 3.0 Improved Gate, Avalanche and DynamicdV/dt RuggednessQg (Max.) (nC) 17 Fully Characterized Capacitance andQgs (nC) 4.3Avalanche Voltage and CurrentQgd (nC) 8.5

isc N-Channel MOSFET Transistor IRFU420FEATURESDrain Current I = 2.4A@ T =25D CDrain Source Voltage-: V =500V(Min)DSSStatic Drain-Source On-Resistance: R = 3.0(Max)DS(on)100% avalanche testedMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationDESCRIPTIONDesigned for use in switch mode power supplies and generalpurpos