High Speed Contacts

Coax, Twinax & Triax PC Tail ContactsGeneral Description, Application DataAmphenolAerospaceAmphenol ® Printed Circuit Tail Contactsare currently supplied as follows:• 8, 12 and 16 Coax• 8, 10 and 12 Twinax• 8 Triax (socket only)PC Tail shielded contacts provide a cost effective packag ingsolution for limited space applications where connec tors areattached to printed circuit boards. High reliability is assuredwith factory pre-assembled contacts and stan dardizationtermination to the board. PC Tail contacts are available forMIL-DTL-38999 Series I and III circular connectors and alsofor ARINC 404, ARINC 600 and R27 rect angular connectors.The following pages (402 & 403) show the avail able PC Tailcontact part numbers for 38999 Circular connectors. Seepage 412 Rectangular Section of this catalog for informationon twinax contacts for ARINC Rect angular connectors alongwith compatible cable termina tions. Consult AmphenolAerospace for further information on the applicabletooling for these contacts.TYPICAL ELECTRICAL PERFORMANCESize 8, 12 & 16 PC Tail Coax ContactsContact Resistance:Center @ 1 Amp, 55 millivolts max. voltage drop @ 25°COuter @ 1 Amp, 55 millivolts max. voltage drop @ 25°COperating Frequency: 0–500 MHzDielectric Withstanding Voltage:Center to Outer 500 VAC Rms @ Sea LevelInsulation Resistance1,000 megohms minimum @ 25°CTYPICAL ELECTRICAL PERFORMANCESize 8, 10 & 12 PC Tail Twinax ContactsContact Resistance:Center @ 1 Amp, 55 millivolts max. voltage drop @ 25°CIntermediate @ 1 Amp, 55 millivolts max. voltage drop @ 25°COuter @ 1 Amp, 55 millivolts max. voltage drop @ 25°COperating Frequency: 0–20 MHzDielectric Withstanding Voltage:Center to Intermediate 500 VAC Rms @ Sea LevelIntermediate to Outer 500 VAC Rms @ Sea LevelInsulation Resistance1,000 megohms minimum @ 25°CTYPICAL ELECTRICAL PERFORMANCESize 8 PC Tail Triax ContactsContact Resistance:Center @ 1 Amp, 55 millivolts max. voltage drop @ 25°CIntermediate @ 1 Amp, 55 millivolts max. voltage drop @ 25°COuter @ 1 Amp, 55 millivolts max. voltage drop @ 25°COperating Frequency: 0–500 MHzDielectric Withstanding Voltage:Center to Intermediate 500 VAC Rms @ Sea LevelIntermediate to Outer 500 VAC Rms @ Sea LevelInsulation Resistance1,000 megohms minimum @ 25°CPC Tail Coax and Twinax Contacts for Attachment toPrinted Circuit BoardsSize 8, PC Tail Twinax Socket Contactfor use in D38999 ConnectorsD38999 Connector with PC Tail Coax Contacts, SealingPlugs in unused contact cavities and PC Tail Alignment Disc38999III II I SJT26482 83723 III 5015Matrix 2Matrix PyleCrimp RearRelease Matrix26500 PylePrintedCircuit BoardEMI FilterTransientFiber OpticsHigh SpeedContactsOptionsOthersContact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com401