Lifetime Connectivity

158EIA-HCA158-009
1-5/8" EIA Connector for 1-5/8" Coaxial Cable, Gas stop, Sealing compound

Rev : D | Rev date : 10 Apr 2026

Radio Frequency Systems line of high performance HELIFLEX® coaxial cable connectors are characterized by excellent gas tightness and extremely low losses. HELIFLEX®Lite connectors can be installed with basic hand tools, but the use of dedicated installation tools further facilitates ease of assembly and improves performance.
RFS connectors are fully tested for mechanical and electrical compliance specifications.
HELIFLEX®Lite premium connectors have excellent electrical values and provide outstanding performance for the most demanding applications. The RFS connector design provides maximum sealing integrity and gas tightness.

Features / Benefits

  • Lightweight
  • 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 66 / 68, Assures safe, long term operation in the harshest of environments. System tightness doesn't have to rely on overpressure from dehydration equipment.
  • Easy to install, no special tools needed. Only basic hand tools required. No additional cost to the installer.
  • RoHs (EU) and CRoHs (China) compliant, can be used on a global basis.
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Structure
Cable Type Air Dielectric
Cable Size 1-5/8"
Model Series HCA158-50 Series
Connector Interface Size 1-5/8" EIA
Mechanical Specifications
Connector Length 135mm (5.3in)
Connector Outer Diameter 89mm (3.5in)
Sealing Volume 20cm³ (0.676ounces)
Inner Conductor Material / Coating Copper-alloy / Silver
Outer Conductor Material / Coating Copper-alloy / Silver
Sealing Volume 20cm³ (0.676ounces)
Sealing Method

Sealing compound ¹ )

Electrical Specifications
Nominal Impedance 50 Ω
Connector Frequency Range 0 -2.7 GHz
Frequency Range VSWR Return Loss
DC - 1000 MHz 1.02 40
1000 - 2700 MHz 1.06 30.7
Testing and Environmental
Ingress Protection (IP) Rating IP66
Note

To join two cables with EIA 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.
¹) The sealing compound must be ordered separately.

Installation Instruction

Installation Instructions

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