55 Way Micro Circular Connector (C55 Series)

Smiths Interconnect
Part Number Information
Part #: Price/Availability:
C55 Buy Now

The 55 way micro circular connector (C55 series) delivers exceptional signal integrity thanks to the superior technical performances of the hyperboloid contact technology. Compact and lightweight, the C55 connector meets the military requirements in terms of size, modularity and corrosion resistance. In addition, it offers additional hardware coding options to avoid mismatching in equipment with several connectors, ensuring the mating and unmating process in field operations is both simple and quick.

Equipped with 0.5 mm hyperboloid contacts, the C55 offers IP68 sealing and a current rating of 2A at 25°C; the connector’s plug is supplied with solder cup termination, cabling and overmoulding, whilst the receptacle is straight through. The normal configuration has sockets inside the receptacle, but “reverse gender” connection is available on request.

Features to meet military requirements in terms of:

  • Size
  • Modularity
  • Resistance to corrosion
  • Resistance to shock and vibration


  • Hypertac Hyperboloid contact technology
  • Extra hardware coding options to ensure efficient mating during field operations
  • Low insertion and extraction force
  • Low cost of ownership
  • IP 68


  • Military defense