Hard to find 12.5Ω high quality, high powered, coaxial cable.

Used to make RF matching transformers in high power RF amplifiers.

This cable is hand-formable coax, with dimensions similar to Sucoform SM141 but with 12.5Ω impedance.

Technical Specifications

• Impedance: 12.5Ω ± 2Ω.
• Overall diameter: 4.10mm with blue PTFE sheath.
• Centre conductor: 2.25mm silver plated copper.
• Outer conductor: Tinned copper wire & tin soldered. 100% coverage.
• Dielectric: 2.85mm solid PTFE.
• Power handling: 100MHz = 1050W; 500MHz = 650W; 1GHz = 450W; 3GHz = 290W; 5GHz = 220W.
• Attenuation/m: 100MHz = 0.3dB; 500MHz = 0.63dB; 1GHz = 1.0dB; 3GHz = 1.87dB; 5GHz = 2.1dB.
• Velocity of Propagation: 70%
• Capacitance: 396pF/m.
• Min. bending radius: 30mm (single); 45mm (repeated).
• Delay: 4.7ns/m.
• Max. working voltage: 1KV.
• Working temperature: -65°C to +165°C

Available in 0.5m and 1m lengths, please select above.