2009最新的bellcore板本MTBF-report

COMPONENTResistor&ResistorVariableCapacitorDiodeMOSFETICChock&TranformerPhoto-CoupleThermistorThyristorTotalDevicefailurerate(TotalFIT)Environment:Ground,Fixed,ControlledTestConduction:Vin=150VACLOAD:OperatingTemperature(℃):25Formula:λss=λG*πQ*πE*πS*πTLillustration:*λG:Gerericsteady-statefailurereatefordevice*πQ:Qualityfactorfordevice*πS:Stressfactorfordevice*πT:Temperaturefactorfordeviceduetonormaloperatingtemperatureduringsteady-state*πE:Unitenvironmentalfactor*λss:Devicesteady-statefailurerate0.00.00.0MTBFAYXXXXXBELLCOREMTBFREPORTLISTREV.012009/5/80.0PREPARED:________________________________CHECK:___________________________________APPROVED:____________________________________ReferenceDoucment:TelcordiaTechnologies,ReliabilityPredictionProcedureforElectornicEquipmentSR-332FAILURERATE(FIT)0.0132.00.07575757.6Hours0.00.0132.0TitleResistorTYPECOMPONENTDESCRIPTIONλb1RESC.M.FRF:Film,=1MEGOHM0.52RESC.M.FRF:Film,1MEGOHM33RESMORF:Film,Power(1W),=1MEGOHM34RESMORF:Film,Power(1W),1MEGOHM7RESISTORTYPELOCATIONDESCRIPTIONStressOperatingTempQTYλGπsπTπQπEλss251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0λss=λG*πQ*πE*πs*πTModelAYXXXXXTitleResistorTYPECOMPONENTDESCRIPTIONλb1RESC.M.FRF:Film,=1MEGOHM0.52RESC.M.FRF:Film,1MEGOHM33RESMORF:Film,Power(1W),=1MEGOHM34RESMORF:Film,Power(1W),1MEGOHM7RESISTORTYPELOCATIONDESCRIPTIONStressOperatingTempQTYλGπsπTπQπEλssλss=λG*πQ*πE*πs*πTModelAYXXXXX251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0251FALSE1.001.00310.0TitleResistorTYPECOMPONENTDESCRIPTIONλb1RESC.M.FRF:Film,=1MEGOHM0.52RESC.M.FRF:Film,1MEGOHM33RESMORF:Film,Power(1W),=1MEGOHM34RESMORF:Film,Power(1W),1MEGOHM7RESISTORTYPELOCATIONDESCRIPTIONStressOperatingTempQTYλGπsπTπQπEλssλss=λG*πQ*πE*πs*πTModelAYXXXXX0.0TOTALTitleResistorVariableTYPECOMPONENTDESCRIPTIONλb1VRRV:Non-wirewound,Film=200KOHM252VR1RV:Non-wirewound,Film200KOHM40RESISTORVARIABLETYPELOCATIONDESCRIPTIONStressOperatingTempQTYλGπsπTπQπEλssFALSE1.001.00310.0FALSE1.001.00310.0FALSE1.001.00310.0FALSE1.001.00310.0FALSE1.001.00310.00.0TOTALλss=λG*πQ*πE*πs*πTModelAYXXXXXTitleCapacitorTYPECOMPONENTDESCRIPTIONλb1CAPACITORSC:Fixed,Plastic12CAPACITORS1C:Fixed,Ceramic13CAPACITORS2C:Fix,Al,AxLd,400154CAPACITORS3C:Fix,Al,AxLd,400-1200025CAPACITORTYPELOCATIONDESCRIPTIONStressOperatingTempQTYλGπsπTπQπE25111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.003125111.001.0031λss=λG*πQ*πE*πs*πTModelAYXXXXXTitleCapacitorTYPECOMPONENTDESCRIPTIONλb1CAPACITORSC:Fixed,Plastic12CAPACITORS1C:Fixed,Ceramic13CAPACITORS2C:Fix,Al,AxLd,400154CAPACITORS3C:Fix,Al,AxLd,400-1200025CAPACITORTYPELOCATIONDESCRIPTIONStressOperatingTempQTYλGπsπTπQπEλss=λG*πQ*πE*πs*πTModelAYXXXXX25111.001.0031TOTALλss3.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.03.0λss=λG*πQ*πE*πs*πTλssλss=λG*πQ*πE*πs*πT3.0132.0TitleDiodeTYPECOMPONENTDESCRIPTIONλb1DIODEDiodes:Silicon,GeneralPurpose1AMP32DIODE2Diodes:Silicon,GeneralPurpose1-20AMP63DIODE3Diodes:Silicon,GeneralPurpose20AMP94ZEN