Cable design SLL-400 (Selteq Low Loss 400)
Structurally, cable SLL-400 СЃРѕСЃС,РѕРёС, РёР ·:
- one-piece central core with a diameter of 2,74 mm from copper-plated aluminum wire
- internal dielectric made of foamed polyethylene with a diameter of - 7,24 mm
- the first shielding layer of aluminum foil
- second shield layer - 85% tinned copper braid
- outer protective sheath made of polyethylene (PE) with a diameter of 10.2 mm (0.400 ″)
Electrical characteristics of the SLL-400 cable
Wave impedance: 50±2 ohm
Linear capacitance: 78 pF/m
Relative speed: 85%
Shortening factor: 1,1
Shielding efficiency: ≥ 90dB
Attenuation table for SLL-400 cable
Frequency, MHz | Losses, dB/100m |
140 | 6 |
450 | 10,27 |
900 | 14,78 |
1500 | 19,40 |
1800 | 21,48 |
2000 | 22,64 |
2400 | 25,92 |
2500 | 26,80 |
3000 | 28,64 |
5800 | 41,80 |
Comparison of SLL-400 with RG-213 and RFA-1/2″
Mechanical characteristics of SLL-400 cable
Mounting temperature range: -25…+70o
Operating temperature range: -40…+85o
Minimum bending radius: 25,4mm
Re-bending radius: 101,6mm
Packaging and labeling
The cable is marked SELTEQ SLL-400 50OHM RG8/U
The cable is securely packed on a wooden drum. Packing norm - 500 m.
On request, the SLL-400 cable can be cut to shorter lengths.
Compatibility and analogues
The SLL-400 coaxial cable is part of the G37 cable group and is analogous in size to the following widely used types of RF coaxial cables: RG8/U, TZC 500 32, LMR 400, MRC 400, Low Loss 400, RG-213-RT5, RG- 214, WBC-400, WCX 400, SPEEDFOAM 400, 8D-FB, PK-50-7-xx.
Connectors and grounds for SLL-400 cable:
Connector N (male) for SLL-400, solderless threaded assembly
Connector N (male) for SLL-400, crimp assembly
Angled connector N (male) for SLL-400, crimp assembly
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