Nova Poshta or pickup from our warehouse
RG-142 cable design
constructively cable RG-142 consists of:
- central conductor: monofilament made of silver-plated copper-plated steel with a diameter of 0.92 ±0.01 mm
- PTFE dielectric with a diameter of 3 ±0.05 mm
- first shielding layer: braiding of silver-plated copper with a diameter of 3.52 mm
- second shielding layer: silver-plated copper braid with a diameter of 3.95 mm
- outer protective sheath made of fluoroplastic (PTFE) with a diameter of 4.95 ±0.10 mm
Electrical characteristics of the RG-142 cable
Wave resistance: 50 ±2 ohms
Linear capacitance: 95 pF/m
Relative speed: 69.5%
Rated voltage: 1000 V RMS
Shielding efficiency: >70 dB (10-1000 MHz)
Maximum frequency: 34 GHz
Losses and allowable power for RG-142 cable
| Frequency, MHz | Typical losses, dB/100 m* | Power, W** |
| 50 | 8,5 | 3500 |
| 100 | 12,4 | 2400 |
| 200 | 17,7 | 1450 |
| 400 | 25,9 | 1100 |
| 700 | 35,0 | 770 |
| 900 | 40,3 | 680 |
| 1000 | 42,9 | 650 |
| 2000 | 63,2 | 440 |
| 3000 | 79,3 | 330 |
| 4000 | 93,8 | 260 |
| 5000 | 106,8 | 250 |
| 6000 | 119,5 | 230 |
* Typical values for 20ºС and altitude above sea level
** The value of the permissible average power for an ambient temperature of 40ºC
Mechanical characteristics of the RG-142 cable
Minimum bending radius: 25 mm
Re-bending radius: 50 mm
Operating temperature: -35 ... +80 ºC
Compatibility and analogues
The RG-142 coaxial cable is included in the G5 cable group and is similar in size to the following widely used types of HF coaxial cables: RG-223/U, RG-400.
Reviews
There are no reviews yet.