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618EIA-HCA618-002

618EIA-HCA618-002
618" EIA Connector for 6-1/8" Coaxial Cable, Gas stop / Gas pass, Silicone Sealing

Name: 618" EIA Connector for 6-1/8" Coaxial Cable, Gas stop / Gas pass, Silicone Sealing
SKU: 618EIA-HCA618-002

Rev : B | 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® 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® 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

Easy installation utilizing only basic hand tools.
Tab flare of outer contact attachment means quick and simple installation.
No need for sealing compound. The connector is ready for pressurization immediately after installed to the cable.
Excellent gas tightness. Overpressure for increased voltage handling is maintained throughout the system.
Outstanding VSWR performance improves overall system performance.
Totally waterproof, assures safe, long term operation in the harshest of environments.
RoHS (EU) and CRoHS (China) compliant, can be used on a global basis.

Structure

Cable Type

Air Dielectric

Cable Size

6-1/8"

Model Series

HCA618-50 Series

Connector Interface Size

6-1/8" EIA (50 Ω) per IEC 60339-2

Mechanical Specifications

Connector Length

312mm (12.283in)

Connector Outer Diameter

219mm (8.622in)

Sealing Volume

300cm³ (10.144ounces)

Inner Conductor Material / Coating

Copper-alloy / Silver

Outer Conductor Material / Coating

Copper-alloy / Silver

Sealing Volume

300cm³ (10.144ounces)

Sealing Method

Silicone compound, PLAST 2000 - See Note 2.

Electrical Specifications

Nominal Impedance

50 Ω

Connector Frequency Range

0 - 0.86 GHz

Frequency Range	VSWR	Return Loss
DC - 860MHz	1.02	40

Testing and Environmental

Ingress Protection (IP) Rating

IP68 (pressure-tight up to 4 bar / 400 kPa)

Accessories

Poly Hook Spanner

230 || 8

Note	The connector is converted to gas pass by drilling through the pilot hole in the insulator. Sealing compound must be ordered separately. Connector does not include an inner connector.

lnstallation instruction for HCA 412 500 618 *-002 connector series

Installation Instructions

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618EIA-HCA618-002618" EIA Connector for 6-1/8" Coaxial Cable, Gas stop / Gas pass, Silicone Sealing

Features / Benefits

Technical Features

Related Documents

PDF Datasheet

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618EIA-HCA618-002
618" EIA Connector for 6-1/8" Coaxial Cable, Gas stop / Gas pass, Silicone Sealing