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"Split-Pair" Quadrax Contacts and Cable Assemblies for MIL-DTL-28999, Series III Cylindricals

Amphenol Aerospace offers the high performance interconnect solution for CAT6A type cable.

Product Features:

  • Overall higher bandwidth than standard CAT5E quadrax
  • Enhanced crosstalk performance (compared to standard quadrax) due to compatibility with shielded twisted pair of cables
  • Can be used for a variety of high speed applications beyond current quadrax design
  • Four strategically spaced inner contacts form two 100 Ohm matched impedance differential pairs
  • Outer contact has rugged wall section for durability
  • Available in size 8 crimp termination style
  • Amphenol Split-Pair Quadrax ContactsAlso available in size 8 PC tails
  • Can be installed into existing quadrax contact connector cavities
  • Requires modification of MIL-DTL-38999 connector to accommodate keyed contacts


For use with, but not limited to, the following electrical protocols:

  • 10/100/1000/10GBASE-T Ethernet
  • DVI
  • USB 2.0
  • Serial RapidIO (up to 3/125 Gbps)
  • PCI-Express 2.0
  • HDMI 1.3a
  • SATA 2.0 (up to 3 GHz)

Amphenol Aerospace Authorized Distributor"Split-Pair" Quadrax Contacts Data Sheet

Contact your local sales office or email [email protected] for more information.