Vinstronics 6-layer phase-stable flexible RF cable with gray PFA outer jacket for precision microwave interconnects

26.5 GHz 6-Layer High-Voltage Phase-Stable Low-Loss RF Cable W51

P/N: W51

  • 6-layer cable for enhanced RF durability
  • Phase-stable path for precision microwave systems
  • High-voltage structure for demanding routing
  • LD PTFE interlayer for added protection
  • Built for avionics and ECM environments
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Engineering Note
The W51 is a 26.5 GHz 6-layer high-voltage phase-stable low-loss flexible RF coaxial cable designed for precision microwave interconnects, avionics routing, phased array radar, ECM systems, and rugged high-frequency RF assemblies where phase consistency, voltage withstand, and enhanced shielding durability are required. Its advanced 6-layer construction adds an LD PTFE interlayer between the inner shield and outer shield, improving structural protection while maintaining stable microwave transmission. The cable combines a 5.10 mm gray PFA jacket, LD PTFE dielectric, silver-plated copper conductor, dual silver-plated shielding, DC–26.5 GHz operating capability, <750 PPM phase stability, 1500 V.DC dielectric withstand voltage, >90 dB shielding effectiveness, and an extended -55 °C to +165 °C temperature range for rugged phase-critical RF interconnect applications.

Technical Specifications

Cable Name W51
Product Type 6-Layer High-Voltage Phase-Stable Low-Loss Flexible RF Coaxial Cable
Cable Structure 6-layer phase-stable RF cable with LD PTFE interlayer and gray PFA jacket
Operating Frequency DC–26.5 GHz
Cut-off Frequency 31 GHz
Impedance 50 ± 1 Ω
Velocity of Propagation 83%
Shielding Effectiveness >90 dB
Phase Stability <750 PPM @ -55 °C to +85 °C
Low PIM Performance -155 dBc
Dielectric Withstanding Voltage 1500 V.DC
Static Bending Radius 24 mm [0.945 in]
Dynamic Bending Radius 48 mm [1.890 in]
Weight 0.058 kg/m [0.0390 lbs/ft]
Temperature Range -55 to +165 °C [-67 to +329 °F]
Inner Conductor Silver-plated copper, 1.40 mm [0.055 in]
Dielectric Low Density PTFE, 3.80 mm [0.150 in]
Inner Shield Silver-plated copper strip, 3.95 mm [0.156 in]
Interlayer Low Density PTFE, 4.20 mm [0.165 in]
Outer Shield Silver-plated copper wire braiding, 4.65 mm [0.183 in]
Jacket PFA / Gray, customizable, 5.10 mm [0.201 in]
Attenuation 24.1 dB/100m @1 GHz; 34.2 dB/100m @2 GHz; 42.1 dB/100m @3 GHz; 60.1 dB/100m @6 GHz; 69.7 dB/100m @8 GHz; 78.3 dB/100m @10 GHz; 87.6 dB/100m @12.4 GHz; 106.6 dB/100m @18 GHz; 130.8 dB/100m @26.5 GHz
Average Power 0.919 kW @1 GHz; 0.646 kW @2 GHz; 0.525 kW @3 GHz; 0.368 kW @6 GHz; 0.317 kW @8 GHz; 0.282 kW @10 GHz; 0.252 kW @12.4 GHz; 0.207 kW @18 GHz; 0.169 kW @26.5 GHz

Target Applications

Avionics RF Routing
Suitable for avionics assemblies where phase stability, voltage withstand, and enhanced cable protection are required.

Phased Array Radar
Supports radar systems where phase consistency, shielding durability, and stable 26.5 GHz transmission are critical.

ECM Systems
Fits electronic countermeasure systems requiring shielded, phase-stable microwave interconnects in demanding environments.

High-Frequency Interconnects
Used for strict phase and loss applications requiring enhanced high-voltage RF cabling in precision microwave systems.

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