Lifetime Connectivity

412EIA-HCA550-001
4-1/2" IEC Female Connector for 5-1/2" Coaxial Cable, Gas barrier, Sealing compound

Rev : E | Rev date : 10 Apr 2026

Radio Frequency Systems line of high performance coaxial cable connectors are designed specifically to provide the highest quality connector-cable interface while simplifying and speeding up the attachment of connectors to HELIFLEX® coaxial cables. RFS connectors are fully tested for mechanical and electrical compliance specifications. They are available in all popular cable sizes in a variety of mating interfaces. To join two cables with IEC connectors, two identical socket connectors are installed on either end of the cables to be joined, and a coupling element is used to make the connection of the center conductor. The coupling element must be ordered separately with the exception of the S-Line male versions that have a captivated coupling element. Connectors are available in sizes matching the nominal cable size. IEC connectors provide optimal power handling for the complete transmission line system.

Features / Benefits

  • Excellent gas tightness, Overpressure for increased voltage handling is maintained throughout the system
  • Robust Mechanical Design, Superior and consistent performance guarantees outstanding system characteristics.
  • Extremely low reflection factor, Outstanding low reflection factor improves overall system performance and margin and reduces mismatch losses
  • Totally Waterproof according to IP 68, Assures safe, long term operation in the harshest of environments. System tightness doesn't have to rely on overpressure from dehydration equipment.
  • RoHS (EU) and CRoHS (China) compliant i.e. can be used on a global basis
412eia-hca418-001.png
Structure
Cable Type Air Dielectric
Cable Size 5-1/2"
Model Series HCA495-50 Series
Connector Interface Size 4-1/2" EIA (50 Ω) per IEC 60339-2
Mechanical Specifications
Connector Length 300mm (11.81in)
Connector Outer Diameter 212mm (8.35in)
Sealing Volume 120cm³ (4.058ounces)
Inner Conductor Material / Coating Copper-alloy / Silver
Outer Conductor Material / Coating Copper-alloy / Silver
Sealing Volume 120cm³ (4.058ounces)
Sealing Method

Sealing compound ¹ )

Electrical Specifications
Nominal Impedance 50 Ω
Connector Frequency Range 0 - 0.86 GHz
Frequency Range VSWR Return Loss
DC - 860MHz 1.02 40
Note

¹) The sealing compound must be ordered separately.

m25349_k.pdf

Installation Instructions

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