The Ultra-Flexible Phase Stable Low Loss Cable FU550 is a high-performance RF cable engineered for reliable signal transmission and precision applications. Its ultra-flexible construction enables easy routing and repeated movement while maintaining excellent mechanical durability. The phase-stable design helps deliver consistent electrical performance with minimal phase variation during flexing. With low signal loss and effective shielding, FU550 is suitable for demanding RF and microwave environments. It is ideal for test and measurement equipment, network analyzers, antenna systems, communication equipment, laboratory setups, and other high-frequency applications requiring flexibility, accuracy, and dependable signal integrity.
| No. | Construction | Size (mm) | Materials |
|---|---|---|---|
| 1 | Center Conductor | 1.44 | Stranded silver plated copper |
| 2 | Dielectric | 1.60 | LD PTFE wrapping |
| 3 | Outer Conductor | 4.20 | Silver plated copper strip wrapping |
| 4 | Interlayer | 4.55 | PTFE |
| 5 | Outer Shield | 5.00 | Silver plated copper wire braiding |
| 6 | Jacket | 5.50 | FEP (Green or Light Blue) |
| Frequency | DC-26.5 GHz |
| Impedance | 50 Ω |
| Velocity of Propagation | 83% |
| Shielding Effectiveness | >90 dB |
| Withstanding Voltage | 1500 V |
| *Mechanical Phase Stability | <±3°@18GHz, <±7°@26.5GHz |
| Amplitude Stability vs Shaking | <±0.1dB to 18 GHz, <±0.2dB |
| * Wrapped 360° around a 55mm radius mandrel. | |
| Min. Bending Radius Static | 28mm |
| Min. Bending Radius Repeated | 55mm |
| Weight | 63g/m |
| Operation Temp | -50~150 °C |
| Frequency MHz | 300 | 1000 | 2000 | 3000 | 6000 | 8000 | 10000 | 12000 | 14000 | 18000 | 20000 | 26500 |
| dB/100 Meter | 14.2 | 26.6 | 38.3 | 47.6 | 69.5 | 81.5 | 92.4 | 102.6 | 112.0 | 129.7 | 138.0 | 163.1 |
| Avg. Power kW | 1.380 | 0.740 | 0.513 | 0.413 | 0.283 | 0.241 | 0.213 | 0.192 | 0.175 | 0.152 | 0.143 | 0.121 |
| Attenuation at any frequency = [0.801100×SQRT(FMHz)] + [0.001233×FMHz] | ||||||||||||