Semi-Flexible Coax Cable Assemblies

Published on 3/16/2026 • Updated on 3/16/2026

RF Cable Assemblies

Semi-Flexible coaxial cable assemblies are a practical choice for RF and microwave applications that require a balance of flexibility, reliable shielding, and consistent signal performance. These assemblies are commonly used in communication systems, instrumentation, wireless devices, testing setups, and compact RF interconnect applications.

Semi-Flexible Coax Cable Assemblies

SigmaRF offers Semi-Flexible coaxial cable assemblies using 0.0865 inch diameter 50 ohm coaxial cable with silver-plated copper center conductor, solid PTFE dielectric, tin dipped copper braid, and optional extruded FEP jacket for dependable RF performance across a wide range of applications.

Product Description

Semi-Flexible coaxial cable assemblies are built using 0.0865 inch diameter 50 ohm coaxial cable. The cable construction includes a silver-plated copper center conductor, solid PTFE dielectric, tin dipped copper braid, and an extruded FEP jacket option to support flexibility, shielding effectiveness, and long-term durability.

Cable Specifications

Below are the standard construction details for the Semi-Flexible coaxial cable assembly.

0.0865 inch Semi-Flexible Coax Cable

  • Impedance: 50 Ohm
  • Inner Conductor: 0.51mm Silver Plated Copper Clad Steel
  • Dielectric: 1.68mm PTFE
  • Outer Conductor: 2.20mm Tin Dipped Copper Braid
  • Jacket: Extruded FEP jacket available

Why Choose Semi-Flexible Coaxial Cable Assemblies?

Performance Benefits

  • Reliable RF signal transmission
  • Good shielding effectiveness
  • Suitable for compact routing applications
  • Durable construction for repeated use
  • Available with FEP jacket option

Typical Applications

  • RF and microwave interconnects
  • Test and measurement systems
  • Wireless communication equipment
  • Instrumentation assemblies
  • Compact electronic modules

RF Connector Options for Semi-Flexible Cable Assemblies

Connector selection plays an important role in overall RF performance, mechanical fit, and application suitability. Semi-Flexible coaxial cable assemblies can be supplied with multiple RF connector options depending on frequency range, installation space, blind-mate requirements, ruggedness, and power handling needs.

Connector options to select from

  • SMA: The default popular choice for general RF and microwave interconnects.
  • 2.92 mm: Popular when operating frequency pushes higher.
  • SMP / SMPM: Popular in modules, radar, aerospace, and board-to-board blind-mate designs.
  • TNC / N: Popular when cable is larger and ruggedness or power matters more than compactness.

Connector Options Available

  • SMA RF Connector
  • 2.92mm RF Connector
  • SMP RF Connector
  • SMPM RF Connector
  • TNC RF Connector
  • N Type RF Connector

Quick Product Overview

Cable Type Outer Diameter Inner Conductor Dielectric Outer Conductor Jacket Connector Options
Semi-Flexible Coax 0.0865 inch 0.51mm Silver Plated Copper Clad Steel 1.68mm PTFE 2.20mm Tin Dipped Copper Braid Extruded FEP jacket available SMA, 2.92mm, SMP, SMPM, TNC, N Type

SigmaRF Semi-Flexible coaxial cable assemblies are suitable for customers looking for dependable RF interconnect solutions with a practical balance of flexibility, shielding, and mechanical stability. These cable assemblies can be supplied with connector options such as SMA, 2.92mm, SMP, SMPM, TNC, and N type RF connectors depending on application needs.

Need Custom Semi-Flexible Cable Assemblies?

Contact SigmaRF for custom Semi-Flexible coaxial cable assemblies with suitable RF connector options for your RF and microwave application requirements.

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