High Speed Contacts

How to Order 38999, Series III CircularWith Quadrax 100 Ohm ContactsAmphenolAerospaceAmphenol Tri-Start, 38999 Series III* Connectors can beordered with the following popularly used Quadrax contacts:100 ohm quadrax 21-033385-051 socket contacts100 ohm quadrax 21-033384-051 pin contactsUse the following coded number ordering procedure :1. 2. 3. 4. 5. 6.Connector Type Shell Type Service Class Shell Size –Insert ArrangementTVTVPCTVCTVPContact TypeAlternate KeyingPositionTVP 00 RQW 21–75 P BStep 1. Select a Connector TypeTri-Start Series Connector with metal shellsBack panel mounted receptacle with metal shellsTri-Start Series Connector with composite shellsBack panel mounted receptacle with composite shellsStep 2. Select a Shell Style00 Wall mount receptacle02 Box mount receptacle available only with the PCB tailsand epoxy backfilled (non-removable)06 Straight plug07 Jam nut receptacleStep 3. Select a Service Class with QuadraxRQFRGQFRQWRGQWRQBRGQBRQKRGQKQDTGQDTElectroless nickel plated aluminumElectroless nickel plated ground plane aluminumOlive drab cadmium plateOlive drab cadmium plated ground plane aluminumNiAlBronzeNiAlBronze ground planeCorrosion resistance stainless steelStainless steel ground planeDurmalon plated, Nickel-PTFE alternative to cadmiumGroundplane DurmalonStep 4. Select a Shell Size andInsert ArrangementSee insert arrangements available with quadrax contacts onpreceding pages. Shell Size and Insert Arrangements are together inone chart. First number represents Shell Size, second number is theInsert ArrangementStep 5. Select Contact TypePSPin contactsSocket contactsStep 6. Select an Alternate Keying PositionLocksmith keying–rotation of minor keys. See Series III AlternatePositions below “N” not required for normal positionTri-Start AlternatePositionsA plug with a given rotationletter will mate with areceptacle with the samerotation letter. The anglesfor a given connector arethe same whether itcontains pins or sockets.Inserts are not rotated inconjunction with themaster key/keyway.ShellSize911, 13,and 1517 and 1921, 23,and 2525L, 33,and 37Key & KeywayArrangementIdentificationLetterNABCDENABCDENABCDENABCDENABCDEARBSC˚BRBSC˚DRBSC˚AR°orAP°BSC1051028035649195113905311951801354966627980135496662798013549666279For ordering of connectors withany other quadrax contacts ordifferential twinax contacts,please consult AmphenolAerospace for part numbers.CRBSC˚MAINKEYWAYRECEPTACLE(front face shown)MAINKEYWAYPLUG(front face shown)BR°orBP°BSC140132118140155131141156145156146141142170169140145153142170169140145153142170169140145153˚CPBSCCR°orCP°BSC215248230205234197208182195220176184196200200200180197196200200200180197188188188188188188˚APBSCBP˚BSC˚DPBSCDR°orDP°BSC26532031227530424023629225225529824229331024425728027229331024425728027229331024425728027238999III II I SJT26482 83723 III 5015Matrix 2Matrix PyleCrimp RearRelease Matrix26500 PylePrintedCircuit BoardEMI FilterTransientFiber OpticsHigh SpeedContactsOptionsOthers* The incorporation of quadrax or differential twinax contacts requires amodified connector to accommodate keyed contacts.For more information on Tri-Start, MIL-DTL-38999 Series III connectorssee the section in this catalog.Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com389