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RG405 coaxial cable is a high-temperature and high-frequency signal transmission cable, belonging to the semi flexible RF coaxial cable series. Its main technical parameters include: impedance characteristics: 50 Ω standard impedance, suitable for RF signal transmission Conductor structure: Made of silver plated copper wire twisted together, with a single wire diameter of about 0.08mm and a total conductor cross-sectional area of 0.5mm ² Insulation material: Polytetrafluoroethylene (PTFE), with excellent high temperature resistance Working temperature range: -40 ° C to+85 ° C, suitable for harsh environments Rated voltage: 335V, meeting the requirements of industrial grade applications Outer diameter size: approximately 2.5mm (slightly different models), with a minimum bending radius of up to 6 times the outer diameter
| Structure parameters | ||
| Item | Material | Diamenter (mm) |
| Inner Conductor | Silver plated copper-clad steel | 7*0.51 |
| Dielectric | PTFE | 1.68 |
| Outer Conductor | Braided Tin Soaked Copper | 2.2 |
| Performance parameters | ||
| Capacitor | 95pF/m | |
| Impedance | 50ohm | |
| Transmission rate | 70% | |
| Maximum operating voltage | 3000Vrms | |
| Maximum operating frequency | 60000MHz | |
| Working temperature range | -55～+125℃ | |
| Bending radius | 7.63mm | |
| ROHS/CE/FCC | YES | |
| Frequency | 400MHz | 0.45dB/m |
| 500MHz | 0.50dB/m | |
| 1000MHz | 0.70dB/m | |
RG405 is particularly suitable for application scenarios that require both flexibility and high-frequency performance. Its silver plated conductors and PTFE insulation provide superior signal transmission quality compared to ordinary models. Selection suggestion based on frequency: confirm whether the operating frequency is within 18GHz, consider environmental factors: PTFE insulation model should be selected for high temperature environment, length calculation: reserve appropriate margin to avoid excessive bending, connector matching: ensure compatibility with SMA, MCX and other interfaces
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