The Tight Bend Triple-Shielding Flexible Cable BM 250 L is a high-performance RF cable designed for reliable signal transmission in demanding environments. Its tight-bend construction provides excellent flexibility, allowing easy routing through compact spaces and complex equipment layouts. The triple-shielding design delivers superior protection against electromagnetic interference and minimizes unwanted signal leakage. BM 250 L is suitable for RF, microwave, wireless communication, test and measurement, antenna, laboratory, and electronic applications. It offers dependable electrical performance, mechanical flexibility, and enhanced shielding, making it an ideal choice for professional systems requiring stable, low-interference, and consistent RF connectivity.
| No. | Construction | Size (mm) | Materials |
|---|---|---|---|
| 1 | Center conductor | 0.51 | Silver plated copper |
| 2 | Dielectric | 1.55 | Low density PTFE |
| 3 | Outer conductor | 1.71 | Silver plated copper wire braiding |
| 4 | Middle layer | 1.81 | Aluminum foil |
| 5 | Outer shield | 2.04 | Stainless steel wire |
| 6 | Jacket | 2.50 | FEP |
| Frequency | DC-67 GHz |
| Impedance | 50 Ω |
| Velocity of Propagation | 75% |
| Shielding Effectiveness | >90 dB |
| Withstanding Voltage | 500 V |
| Min. Bending Radius Static 360° | 10mm |
| Min. Bending Radius Repeated | 25mm |
| Weight | 16g/m |
| Temperature (Operation) | -50~150 °C |
| Temperature (Storage) | -60~160 °C |
| Frequency MHz | 300 | 1000 | 2000 | 4000 | 6000 | 12000 | 16000 | 18000 | 27000 | 40000 | 50000 | 67000 |
| dB/100 Meter | 39.1 | 72.1 | 102.9 | 147.4 | 182.2 | 263.2 | 307.3 | 327.5 | 408.9 | 508.8 | 577.1 | 682.3 |
| Avg. Power kW | 0.190 | 0.103 | 0.072 | 0.050 | 0.041 | 0.028 | 0.024 | 0.023 | 0.018 | 0.015 | 0.013 | 0.011 |