KL-1143APreliminary
Low-Loss Coaxial Cable — Low-Loss, Extended-Temperature Coaxial Cable — Flexible Construction
Preliminary data. The figures for this part come from supplier source data and are pending verification on Kaelen production units. Please contact us to confirm values before design-in.
- Frequency
- DC–10 GHz
- Series
- KL-A · Flexible, low-loss, phase-stable
- Outer diameter
- 11.43 mm
- Attenuation @ 1 GHz
- 11.5 dB/100 m
- Operating temperature
- –55°C ~ +200°C
Structure & Materials
Electrical Properties
Attenuation (Typical, 25°C)
| Frequency (MHz) | Attenuation (dB/100m) |
|---|
| 400 | 6.9 |
| 1000 | 11.5 |
| 2000 | 16.7 |
| 3000 | 20.7 |
| 5000 | 27.6 |
| 10000 | 40.7 |
Mechanical & Environmental
| Parameter | Value |
|---|
| Static Bend Radius | 57.15 mm |
| Weight | 0.2679 kg/m |
| Operating Temperature | –55°C ~ +200°C |
| Peak Power Rating | 12.8 kW |
Features & benefits
- Low attenuation — 20–35% below comparable mil-spec cables of similar size
- Extended operating temperature range (–55°C to +200°C)
- High shielding effectiveness (> 95 dB)
- Thermally stable expanded-PTFE dielectric — low phase shift vs. temperature
Typical applications
- Phased-array & airborne radar
- Electronic warfare (EW) systems
- Military communication systems
- High-temperature RF environments
Related parts
Need this cable terminated? Request a custom assembly using KL-1143A.