The Ultra-Flexible Phase Stable Low Loss Cable FU520 is a high-performance RF cable engineered for demanding test, measurement, and microwave applications. Its ultra-flexible construction enables easy routing and repeated movement while maintaining dependable electrical performance. The phase-stable design helps minimize phase changes during bending, supporting accurate and consistent measurements. With low signal loss and reliable shielding, FU520 provides efficient high-frequency signal transmission across demanding RF systems. It is suitable for network analyzers, antenna testing, laboratory equipment, communication systems, RF modules, and other applications requiring flexibility, phase stability, low attenuation, and reliable signal integrity.
| No. | Construction | Size (mm) | Materials |
|---|---|---|---|
| 1 | Center Conductor | 1.02 | Stranded silver plated copper |
| 2 | Dielectric | 3.03 | LD PTFE wrapping |
| 3 | Outer Conductor | 3.22 | Silver plated copper strip wrapping |
| 4 | Interlayer | 3.47 | PTFE |
| 5 | Outer Shield | 4.05 | Silver plated copper wire braiding |
| 6 | Jacket | 5.20 | PUR or FEP |
| Frequency | DC-26.5 GHz |
| Impedance | 50 Ω |
| Velocity of Propagation | 76% |
| Shielding Effectiveness | >90 dB |
| Withstanding Voltage | 2000 V |
| *Mechanical Phase Stability | <±4°@18GHz, |
| Amplitude Stability vs Shaking | <±0.1 dB |
| * Wrapped 360° around a 52mm radius mandrel. | |
| Min. Bending Radius Static | 18mm |
| Min. Bending Radius Repeated | 50mm |
| Weight | 55g/m |
| Operation Temp (PUR Jacket) | -50~85 °C |
| Operation Temp (FEP Jacket) | -50~150 °C |
| Frequency MHz | 300 | 1000 | 2000 | 4000 | 6000 | 8000 | 10000 | 12000 | 14000 | 16000 | 18000 | 26500 |
| dB/100 Meter | 20.4 | 38.5 | 55.9 | 82.0 | 103.2 | 121.9 | 139.0 | 154.9 | 169.9 | 184.2 | 198.0 | 252.1 |
| Avg. Power kW | 0.830 | 0.441 | 0.304 | 0.207 | 0.164 | 0.139 | 0.122 | 0.110 | 0.100 | 0.092 | 0.086 | 0.067 |