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318EIA-CE-C03
3-1/8" EIA Coupling Element Kit

Rev : P1 | Rev date : 14 Feb 2025

The coupling element facilitates the connection of center conductors when mating two EIA/IEC flanges. It is a key component in broadcasting installations, where EIA/IEC connectors are the industry standard.

RFS Technologies provides coupling elements compatible with a wide range of EIA/IEC flanges. Each coupling element kit includes all necessary hardware, such as O-rings, nuts, and bolts, to ensure a secure and reliable connection between EIA connectors.

FEATURES / BENEFITS

  • Spring finger design provides reliable contact and outstanding performance
  • Silver plating on the conductor surface ensures excellent conductivity and good corrosion resistance
  • Comes along with all necessary hardware, eliminating the need of addtional purchasing and stocking


Coupling Element 3-1/8" EIA

Technical features

General Specifications

Transmission Line TypeCoaxial Cable
Cable TypeFoam DielectricAir Dielectric
Connector Interface3-1/8" EIA
Connector Type

Coupling Element Kit including coupling element, flange O ring and screw kit

GenderNone

Electrical Specifications

Nominal Impedance, ohmsOhm50
Connector Frequency Range GHzDC to 1.6GHz
Peak Power Rating KW270
Average Power Rating KW

11.6 @ DC to 960MHz

Mechanical Specifications

Plating Outer/InnerSilver
Length mm (in)107.65 (4.238)
Outer Diameter mm (in)81.3 (3.201)
Body MaterialPTFE
Inner Contact MaterialCopper Alloy
Inner Contact AttachmentSpring Finger

Testing and Environmental

Operation Temperature °C(°F)-40 to 85 (-40 to 185)


Coupling Element Outline (dimensions in mm)

External Document Links

Notes