Vinstronics L52S stranded-center low-loss flexible RF cable with green FEP jacket for 26.5 GHz microwave interconnects

26.5 GHz Stranded-Center Low-Loss RF Cable L52S

P/N: L52S

  • Stranded center for flexible assembly routing
  • Low-loss path for 26.5 GHz interconnects
  • Green FEP jacket for cable identification
  • Dual shielding for low-PIM RF paths
  • Built for VNA and microwave modules
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Engineering Note
The L52S is a 26.5 GHz stranded-center low-loss flexible RF coaxial cable designed for VNA test jumpers, wireless infrastructure paths, microwave module interconnects, and demanding defense, avionics, ECM, and EW environments. Its silver-plated stranded copper inner conductor improves cable-assembly routing and installation handling compared with single solid center conductor structures, while the silver-plated surface supports efficient microwave current flow. The cable combines a 5.30 mm green FEP jacket, LD PTFE dielectric, dual silver-plated shielding, 1000 V.DC dielectric withstand voltage, -155 dBc low PIM performance, and DC–26.5 GHz RF capability for flexible system-level microwave interconnects.

Technical Specifications

Cable Name L52S
Product Type Stranded-Center Low-Loss Flexible RF Coaxial Cable
Cable Structure 5-layer flexible RF cable with silver-plated stranded center conductor and green FEP jacket
Operating Frequency DC–26.5 GHz
Cut-off Frequency 28 GHz
Impedance 50 ± 1 Ω
Velocity of Propagation 76%
Shielding Effectiveness >90 dB
Dielectric Withstanding Voltage 1000 V.DC
Low PIM Performance -155 dBc
Static Bending Radius 26 mm [1.024 in]
Dynamic Bending Radius 53 mm [2.087 in]
Weight 0.068 kg/m [0.0457 lbs/ft]
Temperature Range -55 to +165 °C [-67 to +329 °F]
Inner Conductor Silver-plated stranded copper, 1.35 mm [0.053 in]
Dielectric Low Density PTFE, 3.80 mm [0.150 in]
Inner Shield Silver-plated copper strip, 4.00 mm [0.157 in]
Outer Shield Silver-plated copper wire braiding, 4.55 mm [0.179 in]
Jacket FEP / Green, customizable, 5.30 mm [0.209 in]
Attenuation 30.6 dB/100m @1 GHz; 43.6 dB/100m @2 GHz; 53.7 dB/100m @3 GHz; 77.0 dB/100m @6 GHz; 89.5 dB/100m @8 GHz; 100.7 dB/100m @10 GHz; 112.9 dB/100m @12.4 GHz; 137.8 dB/100m @18 GHz; 169.9 dB/100m @26.5 GHz
Average Power 0.749 kW @1 GHz; 0.525 kW @2 GHz; 0.426 kW @3 GHz; 0.297 kW @6 GHz; 0.256 kW @8 GHz; 0.227 kW @10 GHz; 0.203 kW @12.4 GHz; 0.166 kW @18 GHz; 0.135 kW @26.5 GHz

Target Applications

VNA and RF Test Jumpers
Suitable for flexible cable assemblies used on lab benches and production test stations where routing stability and handling flexibility matter.

Wireless Infrastructure Paths
Supports low-PIM RF routing inside base-station and communication systems requiring flexible 26.5 GHz microwave paths.

Microwave Module Interconnects
Fits compact cable routing inside RF subsystems, enclosures, and module-level microwave assemblies.

Defense and ECM / EW Systems
Used for shielded microwave interconnects in defense, avionics, ECM, and EW environments requiring reliable RF cabling.

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