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ID:33765756
大小:549.17 KB
页数:18页
时间:2019-03-01
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1、ProprietaryandConfidentialAEiSystemsSampleRELIABILITYANALYSISSingleBoardComputerModuleSubassemblyFinalReportPREPAREDFORPREPAREDBYAEiSystems,LLC5777W.CenturyBlvd.Suite876LosAngelesCA90045DATEThisdocumentisproprietaryandconfidentialtoAEiSystems,LLCAEi,System
2、s,LLCTelcordiaReliabilityAnalysisProprietaryandConfidential1.ScopeThisdocumentcontainstheresultsofaBellcore/TelcordiapartscountMTBFanalysisoftheaSingleBoardComputermodulesubassembly.Analysis:MTBFAnalysisLastRevDate:6/17/05Assembly:xxxxSubassembliesExcelFil
3、e:FailureRankings30C.xls,BoM.xlsRelexFileProject.RPJFailureRateSummary–PartsQualityI/QualityIIAnalysisFailureRate(FPMH)MTBF(Hrs)TelcordiaGroundBenign+30C,MTBF0.7251931,378,942.67AEi,Systems,LLCTelcordiaReliabilityAnalysisProprietaryandConfidentialCONTENTS1
4、.Scope________________________________________________________________22.FunctionalDescription_________________________________________________43.Assumptions__________________________________________________________44.QualityandReliabilityintheDesignProces
5、s_______________________________55.ComponentApprovalandQualification____________________________________66.MethodsofAnalysis____________________________________________________6Table1-DefaultReliabilityParameters____________________________________________
6、__107.AnalysisResults______________________________________________________13Table2–PercentageSummary@30degreesC.QualityII.______________________________13Figure1–FailureRaterangesbycategory.___________________________________________14Table3–Top(75%)contr
7、ibutorstosystemfailurerate@30degreesC.____________________15Figure2–Systemfailurerateovertemperature.________________________________________16Figure3–%Failurerateovertemperaturebypartcategory._____________________________168.ConclusionsandRecommendations_
8、_____________________________________18AEi,Systems,LLCTelcordiaReliabilityAnalysisProprietaryandConfidential2.FunctionalDescriptionThesystemcontainspassiveandactivedevices(approximately258parts).Themajorityof
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