.250 Semi-Rigid Coaxial Cable is a precision RF cable designed for high-frequency applications requiring excellent electrical stability, shielding, and reliable signal transmission. Its semi-rigid construction provides strong mechanical support and consistent cable geometry, helping maintain dependable RF performance in demanding environments. The cable is suitable for RF test and measurement equipment, microwave systems, telecommunications, aerospace, defense, laboratory instruments, and electronic assemblies. Its compact design enables integration into space-constrained applications while supporting stable impedance and signal integrity. The .250 Semi-Rigid Coaxial Cable provides a reliable solution for precision RF interconnections and high-frequency systems.
| Item | Material | Diameter |
|---|---|---|
| Inner Conductor | Silver plated Copper | 1.66 ± 0.0254 mm |
| Dielectric | PTFE | 5.31 ± 0.0508 mm |
| Outer Conductor | Aluminum, tin plated | 6.35 ± 0.0508 mm |
| Max. Operating Frequency | 19 GHz |
| Impedance | 50 Ω |
| Nominal Capacitance | 29.0 pF/ft (95.1 pF/m) |
| Corona Extinction Voltage | 3000 Vrms 60 Hz |
| Minimum Bending Radius | 0.375 in / 9.53 mm |
| Voltage Withstanding | 7500 Vrms 60 Hz |
| Weight | 45 gm/ft (148 gm/m) |
| Maximum Operating Temperature | 150 °C |
| RoHS | Compliant |
| Frequency (GHz) | Attenuation (dB/100 ft) | Attenuation (dB/100 m) | Average Power (W) |
|---|---|---|---|
| 0.5 | 4.6 | 15.9 | 951.6 |
| 1 | 6.8 | 22.3 | 653.1 |
| 5 | 17.4 | 57.1 | 259.9 |
| 10 | 27 | 88.6 | 169.8 |
| 18 | 41 | 134.5 | 113 |