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,!.’.MIL-C-28809BMIL-P-28809A5October1981MILITARYSPECIFICATIONCIRCUITCARDAsSEfIiBLIEs,!llG1t),FLEXII.)LE,ANDRIGID-FLEXThisspecificationisapprovedforusebyallDepart-mentsandAgenciesoftheDepartmentofDefense.~1.SCOPE1.1$cope.Thisspecificationestablishestherequirementsforcircuitcardassembl~es,consistingofprintedwirfngboardsonwhichseparatelymanufacturedpartshavebeenadded.Theterm‘assemblies”fsusedhereinwhenreferringtocircuitcardassemblies.Theterm“board’isusedhereinwhenreferringtoprintedwiringboardorprintedcircuitboards.1.2Classification.1.2.1Types.Assembliesshallbeofthefollowingtypesshown.f~fIPartmounting(see1.2.1.3)IiiINumberoflayers(see’1.2.l.2)iTypesofboard(seeI.i?.l.1)1.2.1.1Typeofboard.Thetypeofboardshallbeidentifiedasfollows.R-Rigid(types1,2,and3fnaccordancewithMIL-p-55110).F-Flexible(types1,2,and3inaccordancewithMIL-P-50884).c-Rigidandflexiblecombination(types4and5inaccordancewithMIL-P-50884].1.2.1.2Numberoflayers.Thenumberoflayersshallbeidentifiedbyatwodigitnumberasfollows.01-Singlesided”board.02-Doublesidedboard.03-Thirteenlayerboard.0+-Mixtureofnumberoflayers.1.2.1.3Partmounting.Thepartmountingshallbeidentifiedasfollows..................._.-..-A-Platedthrough-holemountonly.B-Surfacemountonly.c-Mixedmount(combinationsofAandB).lBeneflclalcomments(recommendations,addItions,deletlons)andanypertinentdatalIwhichmaybeofuseinimprovingthisdocumentshouldbeaddressedto:SpaceandIlNavalilarfareSystemsCommand,ATTN:SPAWAR003-1212,Washington,DC20363-5100byliUsfn9theself-addressedStandardizationDocumentImprovementProposal(ODFormI11426)appearingattheendofthisdocumentorbyletter.IAMSCN/AFSC5999DISTRIBUTIONSTATEMENTA.Approvedforpublicrelease;distribution“isunlimited.Source::44ZCheckthesourcetoverifythatthisisthecurrentversionbeforeuse.Downloadedfrom:43.MIL-C-28809B.2.APPLICABLEDOCUMENTS2.1Governmentdocuments.2.1.1Specifications,standards,andhandbooks.Thefollowingspecifications,ostandards,anddbttoftrllherein.sspecificationtotheextentspecifiedUnless~!he%i:e~~~c!f!~!,theissuesofthesedocumentsshallbethoselistedintheissueoftheDepartmentofDefenseIndexofSpecificationsandStandards(DOOISS)andsupplementthereto,citedinthesolicitation.sPECIFICATIONSFEDERALQQ-S-571QQ-S-781QQ-U-343PPP-B-566PPP-B-601PPP-B-621PPP-B-636PPP-B-676PPP-C-795PPP-C-1752PPP-C-1797PPP-C-1842MILITARYMIL-P-116141L-B-117NIL-F-14256MIL-I-46058MIL-P-50884MIL-P-5511OSTANDARDSMIL-STD-105MIL-STO-129MIL-STD-130MIL-STO-147FiIL-sTo-202MIL-STO-275t41L-sTD-454MIL-STD-794r41L-sTD-81000D.STD-1686DoD-sTD-2ooo/l-DoD-sTD-2ooo/2-DOD-STO-200013-DOD-STD-2000/4-Solder,TinAlloy,Tin-LeadAlloyandLeadAlloy.Strapping,Steel,andSeals.Mire,Electrical,Copper(Uninsulated).Box,Foldlng,Paperboard.Boxes,Wood,CleatedPlywood.Box,Hood,NailedandLock-Corner.Box,Shipping,Fiberboard.Boxes,Setup.CushioningMaterial,Packaging(FlexibleCellularPlasticFflra}ForPackagingApplications.CushioningMaterial,Packaging,Unicellular.CushioningMaterial,Resilient,LowOensity,Unicellular,PolypropyleneFoam.CushioningMaterial,Plastic,OpenCell(ForPackagingApplications).Preservation.,NethodsOf.Bag,SleeveandTubingInteriorPackaging.Flux,Soldering,Liquid(ROSinB,ase).InsulatingCornound,Electrical(ForCoatingPrintedrCircuitAssembiesl.oPrintedUir{ng,FlexibleGeneralSpecificationFor.PrintedHiringBoards.SamplingProceduresandTablesForInspectionByAttributes.MarkingForShipmentAndStorage.IdentificationMarkingOfU.S.MilitaPyProperty.PalletizedUnitLoads.TestMethodsForElectronicAndElectricalComponentParts.PrintedWiringForElectronicEquipment.StandardGeneralRequirementsforElectronicEquipment.PartandEquipment,ProceduresforPackagingandPackingof.EnvironmentalTestMethodsandEngineeringGuidelines,ElectrostaticDischargeControlProgramForProtectionofElectricalandElectronicParts,AssembliesandEquipment(ExcludingElectricallyInitiatedExplosiveOevices(Metric)).SolderingTechnology,HighQuality/HighReliability.PartandComponentMountingforHighQuality/HighReliabilitySolderedElectricalandElectronicAssemblies.CriterfaforHfghQuality/HighReliabilitySolderfngTechnology.-GeneralPurposeSolderingRequirementsforElectricalandElectronicEquipment.2Source::44ZCheckthesourcetoverifythatthisisthecurrentversionbeforeuse.Downloadedfrom:43.,1IIIMIL-C-28809BMIL-STD-2118-FlexibleandRigidFlexPrintedWiringForElectronicEquipmentDesignRequirementsFor.MIL-STD-45662-CalibrationSystemsRequirements,HANDBOOKSFEDERALH-6FederalItemNameDirectoryforSupplyCata109in9:.’(Copiesofspecifications,standards,andhandbooksrequiredbymanufacturersinconnectionwithspecificacquisitionfunctionsshouldbeobtainedfromthecontractingactivityorasdirectedbythecontractingactivity.)2.2Otherpublications.ThefollowingdocumentsformapartofthisspecificationtotheextentiftdIIUnlessotherwisespecified,theissuesofthedocumentswhic~p~~eO;Da~~~~~~shallbethoselistedintheissueoftheDOOISSspecifiedinthesolicitation.Unlessotherwisespecified,theissuesofdocumentsnotl