必备最全自恢复保险丝选型手册

NOTE:AllSpecificationssubjecttochangewithoutnotice.0CONTENTSI-OVERVIEWCOMPANYPROFILEP.1FUZETECPRODUCTFAMILYP.1SAFETY,QUALITYANDCUSTOMERSATISFACTIONP.1TECHNOLOGYNICHEP.1II-FUNDAMENTALHOWDOESTHERESETTABLEFUSEWORKP.2TRIPCURRENT,HOLDCURRENTANDTHERMALDERATINGP.2III-PRODUCTPRODUCTSUMMARYP.3-P.4FRXP.5-P.7FRX90VP.8-P.10FBRP.11-P.13FRUP.14-P.16FRTP.17-P.19FUSBP.20-P.22FRGP.23-P.25FHTP.26-P.28FRHVP.29-P.32FRHP.33-P.35FRVLP.36-P.39FRVP.40-P.42FRA(Obsolete)P.43-P.45FSMD2920P.46-P.48FSMD1812P.49-P.51FSMD1210P.52-P.54FSMD1206P.55-P.57FSMD0805P.58-P.60FSRP.61-P.63FLRP.64-P.66FLTP.67-P.69FVTP.70-P.72FVLP.73-P.75FSLP.76-P.78IV–APPENDIXCROSSREFERENCEP.79-P.83THERMALDERATINGP.84APPLICATIONANDINDUSTRYP.85SMDPRODUCTSOLDERREFLOWRECOMMENDATIONSP.86QUICKSELECTIONGUIDEP.87NOTE:AllSpecificationssubjecttochangewithoutnotice.2HOWDOESTHERESETTABLEFUSEWORKFUZETECresettablefusesaredesignedandmadeofpatentednovelpolymericPTCmaterialinthinchipform,developedsolelybyFUZETEC.Withelectrodesandleadsattachedonbothsides,itisplacedinseriestoprotectacircuit.At“normaloperatingcondition”thedeviceremainsatanextremelylowresistance(milli-ohms)andallowstheelectricalcurrenttoflowthroughitwithoutanyrestriction.Whenovercurrentconditionsoccur,thepolymericPTCmaterialheatsupanditsresistanceincreasessharply.Suchasharpresistanceincrease(toaninsulatedstatus)cutsoffthecurrentinthecircuit,andconsequentlyprotectstheelementanddeviceinthecircuit.Uponfaultcurrentbeingremoved,theresettablefusecoolsanditsresistancedropstotheoriginalextremelylowvalue.Theresettablefuseis“reset”andallowsthecurrentthroughthecircuitagain.TRIPCURRENT,HOLDCURRENTANDTHERMALDERATINGTripCurrent(IT)andHoldCurrent(IH)ofFUZETECresettablefuseareratedat23℃.TypicallyitsTripCurrentistwiceasmuchasitsHoldCurrent.FUZETECdevicedoesnottripatorbelowitsratedHoldCurrent,andwilltripatoraboveitsTripCurrentvalue.However,duetoPTCeffectbothITandIHreducewithambienttemperatureincreaseandviceversa.Asshownbellow,thecurrentsarereducednearly50%at85℃andincreasedto150%at-40℃.II-FUNDAMENTALHold&TripCurrentandThermalDeratingCurve050100150200250300-40-20020406080AmbientTemperature(℃℃℃℃)PercentageofHoldandTripCurrentHoldCurrentTripCurrentNOTE:AllSpecificationssubjecttochangewithoutnotice.3PRODUCTSUMMARYRadialLeaded(ForTelecom&ElectronicEquipment)FRXFRX90VOperationCurrent:0.05A~3.75AOperationCurrent:0.10A~3.75AVMAX:60V,IMAX:40A.VMAX:72V/90V,IMAX:40A.WideVarietyofElectronicEquipmentWideVarietyofElectronicEquipmentFRUFRTOperationCurrent:0.90A~9.00AOperationCurrent:0.50A~2.50AVMAX:30V,IMAX:40A.VMAX:36V,IMAX:40A.WideVarietyofElectronicEquipmentWideVarietyofElectronicEquipmentFRGFHTOperationCurrent:2.50A~14.00AOperationCurrent:0.50A~15.00AVMAX:16V,IMAX:100A.VMAX:16V/30V,IMAX:40A/100A.WideVarietyofElectronicEquipmentOperatingtemperaturesupto125℃.FUSBFBROperationCurrent:0.75A~2.50AOperationCurrent:0.10A~0.90AVMAX:16V/30V,IMAX:40A.VMAX:90V,IMAX:40A.LowVoltageUSBEquipmentCable/TelephoneElectronicFRHFRHVOperationCurrent:0.08A~0.18AOperationCurrent:0.08A~0.18AMaxOperationVoltage:60VMaxOperationVoltage:100V/250VMaxInterruptVoltage:250V/600VMaxInterruptVoltage:250V/600VTelecommunicationandNetWorkWideVarietyofElectronicEquipmentFRVLFRVOperationCurrent:0.10A~3.75AOperationCurrent:0.05A~2.00AVMAX:120VAC/DC,IMAX:2A~20A.VMAX:240VAC/DC,IMAX:1A~20A.MaxInterruptVoltage:135VAC/DCMaxInterruptVoltage:265VAC/DCLineVoltageapplicationLineVoltageapplicationIII-PRODUCTNOTE:AllSpecificationssubjecttochangewithoutnotice.4PRODUCTSUMMARYSurfaceMount(ForHighDensityBoard)FSMD2920FSMD1812OperationCurrent:0.30A~3.00AOperationCurrent:0.10A~3.00AVMAX:6V~60V,IMAX:10A~40A.VMAX:6V~60V,IMAX:10A~100A.AllHigh-DensityBoardAllHigh-DensityBoardFSMD1210FSMD1206OperationCurrent:0.05A~1.50AOperationCurrent:0.05A~2.00AVMAX:6V~60V,IMAX:10A~100A.VMAX:6V~60V,IMAX:10A~100A.AllHigh-DensityBoardAllHigh-DensityBoardFSMD0805OperationCurrent:0.10A~1.00AVMAX:6V~15VAllHigh-DensityBoardAxialLeaded(ForRechargeableBatteryPacks)FVTFVLOperationCurrent:1.10A~2.40AOperationCurrent:1.70A~2.30AVMAX:16V,IMAX:100A.VMAX:12V,IMAX:100A.Rechargeablebatterypacks,LithiumcellandbatterypacksRechargeablebatterypacks,LithiumcellandbatterypacksFSLFSROperationCurrent:1.90AOperationCurrent:1.20A~4.20AVMAX:6V,IMAX:50A.VMAX:15V/30V,IMAX:100A.Rechargeablebatterypacks,LithiumcellandbatterypacksRechargeableBatteryPacksFLRFLTOperationCurrent:1.90A~7.30AOperationCurrent:0.70A~3.40AVMAX:15V/20V,IMAX:100A.VMAX:24V,IMAX:100A.RechargeableBatteryPacksRechargeableBatteryPacksDisktype(ForBatteryCellandCharger)Disc(Donuttype)CustomDesignBatteryCellandChargerIII-PRODUCTNOTE:AllSpecificationssubjecttochangewithoutnotice.5FRXSeriesElectricalCharacteristics(23℃℃℃℃)ResistanceToleranceHoldCurrentTripCurrentMax.TimetoTripMaximumCurrentRatedVoltageTypicalPowerRMINR1MAXPartNumberIH,AIT,Aat5xIH,sIMAX,AVMAX,VDCPd,WOhmsOhmsFRX005-60F0.050.105.040600.267.3020.0FRX010-60F0.100.204.040600.382.507.50FRX017-60F0.170.343.040600.482.008.00FRX020-60F0.200.402.240600.411.834.40FRX025-60F0.250.502.540600.451.253.00FRX030-60F0.300.603.040600.490