phase-stable semi-rigid coaxial cable with ultra-low-density PTFE dielectric and seamless copper tube shield

26.5 GHz 141 High-Voltage Phase-Stable Semi-Rigid RF Coaxial Cable C36G

P/N: C36G

  • For high-power phase-stable radar routing
  • 1000 V.DC supports higher-voltage paths
  • Ultra-low-density PTFE supports 81% velocity
  • <750 PPM phase stability across temperature
  • Rated to 26.5 GHz for precision links
Download Datasheet
Get a Quick Quote
Engineering Note
The C36G is a 26.5 GHz high-voltage phase-stable semi-rigid coaxial cable designed for precision internal RF routing where phase stability, voltage handling, shielding, and elevated temperature capability are key selection factors. Its construction uses a silver-plated copper inner conductor, ultra-low-density PTFE dielectric, and seamless copper tube outer shield, supporting high-power phased array radar routing, electronic warfare signal paths, avionics and aerospace RF assemblies, and top-tier precision instruments. The cable provides 81% velocity of propagation, <750 PPM phase stability from -45°C to 85°C, 1000 V.DC dielectric withstand voltage, and operation up to 26.5 GHz.

Technical Specifications

Cable Name C36G
Product Type Phase-Stable Semi-Rigid Coaxial Cable
Cable Structure Semi-rigid / seamless copper tube
Operating Frequency 26.5 GHz
Cut-off Frequency 38 GHz
Impedance 50 ± 1 Ω
Velocity of Propagation 81%
Phase Stability <750 PPM @ -45°C ~ 85°C
Shielding Effectiveness >165 dB
Dielectric Withstanding Voltage 1000 V.DC
Static Bending Radius 13.5 mm [0.531 in]
Weight 0.045 kg/m [0.0298 lbs/ft]
Temperature Range -55 ~ +250 ℃ [-67 ~ +482 ℉]
Inner Conductor Silver-plated copper, 1.050 mm [0.041 in]
Dielectric PTFE, ultra-low density, 3.000 mm [0.118 in]
Outer Shield / Jacket Seamless copper tube, 3.580 mm [0.141 in]
Attenuation 30.8 dB/100m @1 GHz; 100.5 dB/100m @10 GHz; 136.9 dB/100m @18 GHz; 168.1 dB/100m @26.5 GHz
Average Power 0.259 kW @1 GHz; 0.080 kW @10 GHz; 0.059 kW @18 GHz; 0.048 kW @26.5 GHz

Target Applications

High-Power Phased Array Radar
Suitable for phase-stable antenna-array routing where voltage handling, signal timing, and thermal stability are critical.
Electronic Warfare Signal Paths
Supports demanding ECM and electronic warfare assemblies where zero-drift internal RF paths are required under harsh conditions.
Avionics and Precision Instruments
Used in aerospace RF systems and top-tier test equipment requiring phase-stable, shielded, form-stable links up to 26.5 GHz.

Related products

Engineering Support

Need a Quote or Technical Support?

Share the part number, required quantity and application requirements. Our engineering team can assist with product selection, configuration review and quotation support.

Request a Quote Ask a Technical Question
Product selection support
Custom configurations available
Specification and compatibility review

Request a Quick Quote