EIA-364-31B-2000---TP-31B-Humidity-Test-Procedure-

EIASTANDARDTP-31BHumidityTestProcedureforElectricalConnectorsandSocketsEIA-364-31B(RevisionofEIA-364-31A)MAY2000ELECTRONICCOMPONENTS,ASSEMBLIES&MATERIALSASSOCIATIONTHEELECTRONICCOMPONENTSECTOROFTHEELECTRONICINDUSTRIESALLIANCEANSI/EIA-364-31B-2000Approved:March10,2000EIA-364-31BNOTICEEIAEngineeringStandardsandPublicationsaredesignedtoservethepublicinterestthrougheliminatingmisunderstandingsbetweenmanufacturersandpurchasers,facilitatinginterchangeabilityandimprovementofproducts,andassistingthepurchaserinselectingandobtainingwithminimumdelaytheproperproductforhisparticularneed.ExistenceofsuchStandardsandPublicationsshallnotinanyrespectprecludeanymemberornonmemberofEIAfrommanufacturingorsellingproductsnotconformingtosuchStandardsandPublications,norshalltheexistenceofsuchStandardsandPublicationsprecludetheirvoluntaryusebythoseotherthanEIAmembers,whetherthestandardistobeusedeitherdomesticallyorinternationally.StandardsandPublicationsareadoptedbyEIAinaccordancewiththeAmericanNationalStandardsInstitute(ANSI)patentpolicy.Bysuchaction,EIAdoesnotassumeanyliabilitytoanypatentowner,nordoesitassumeanyobligationwhatevertopartiesadoptingtheStandardorPublication.ThisstandardisbaseduponthemajortechnicalcontentofInternationalElectrotechnicalCommissionstandard512-6,test11c,dampheatsteadystate,1984,secondedition.ItconformsinallessentialrespectstothisIECstandard.ThisStandarddoesnotpurporttoaddressallsafetyproblemsassociatedwithitsuseorallapplicableregulatoryrequirements.ItistheresponsibilityoftheuserofthisStandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationsbeforeitsuse.(FromStandardsProposalNo.3427-B,formulatedunderthecognizanceoftheCE-2.0NationalConnectorStandardsCommittee.)PublishedbyELECTRONICINDUSTRIESALLIANCE2000TechnologyStrategy&StandardsDepartment2500WilsonBoulevardArlington,VA22201PRICE:PleaserefertothecurrentCatalogofEIA,ElectronicIndustriesAllianceStandardsandEngineeringPublicationsorcallGlobalEngineeringDocuments,USAandCanada(1-800-854-7179)International(303-397-7956)AllrightsreservedPrintedinU.S.A.PLEASE!DON”TVIOLATETHELAW!ThisdocumentiscopyrightedbytheEIAandmaynotbereproducedwithoutpermission.Organizationsmayobtainpermissiontoreproducealimitednumberofcopiesthroughenteringintoalicenseagreement.Forinformation,contact:GlobalEngineeringDocuments15InvernessWayEastEnglewood,CO80112-5704orcallU.S.A.andCanada1-800-854-7179,International(303)397-7956iCONTENTSClausePage1Introduction..............................................................................................................11.1Scope........................................................................................................................11.2Object.......................................................................................................................12Testresources...........................................................................................................12.1Equipment................................................................................................................13Testspecimen...........................................................................................................23.1Description...............................................................................................................23.2Preparation...............................................................................................................24Testprocedure..........................................................................................................24.1MethodI,ambientcondensation..............................................................................24.2MethodII,steadystatehumidity..............................................................................34.3MethodIII,cyclingtemperature–humiditywithoptionalcoldshockandvibration44.4MethodIVcyclingtemperature–humiditywithoptionalcoldshock.....................54.5MethodV,cyclingsawtoothtemperature–humiditywithoptionalcoldshock......64.6Finalmeasurements..................................................................................................84.7Duringtherecoveryperiod(allmethods)................................................................94.8Afterrecoveryperiod...............................................................................................95Detailstobespecified..............................................................................................96Testdocumentation..................................................................................................10Table1Testconditions.........................................................................................................3Figure1GraphicalrepresentationofmoistureresistancemethodIIIhumiditytest...............112GraphicalrepresentationofmoistureresistancemethodIVhumiditytest..............123GraphicalrepresentationofmethodVhumiditycyclingtest...................................13ii(Thispageleftblank)E