SSF-85 Coaxial cable with tinned outer braid Ø2,6 mm

Cable design SSF-85 (Selteq Semiflex-85)

Structurally cable SSF-85 consists of:

• central conductor: copper, silver wire with a diameter of 0,52 mm
• dielectric made of one-piece fluoroplastic (PTFE) with concentricity ≥ 90% with a diameter of 1,63 mm
• outer conductor made of tinned copper braid with a diameter of 2,15 mm
• outer protective sheath made of fluoroplastic (FEP) with a diameter of 2,65 mm

Electrical characteristics of the SSF-85 cable

Wave resistance: 50±2 Ohm
Linear capacitance: 95 ± 2 pF/m at a frequency of 1 kHz
Nominal permissible voltage: 1000 V, direct current
Relative speed: 70,8±0,2%
Shortening factor: 1,412
Maximum frequency: 61 GHz
Phase stability: 1440 ± 4 ° L = 425 ± 0,1 mm at 2 GHz
Signal propagation delay: 4,7 ns/m
Insulation resistance: ≥ 1000 MΩ/km
Direct current resistance:
– Inner conductor: ≤ 90 Ohm/km
– External conductor: ≤ 40 Ohm/km
PIM (passive intermodulation): ≤-120 dBm at frequencies 910 MHz/1800 MHz/2100 MHz/2600 MHzц
Shielding efficiency: ≥100 dB at a frequency of 10...6000 MHz

Losses and allowable power for SSF-85 cable

* Typical values ​​for 20ºС and altitude above sea level
** The value of the permissible average power for an ambient temperature of 40ºC

CSC and reflection attenuation

5 ... 3000 MHz - KXH ≤1,10, reflection attenuation >26 dB
3 ... 6 GHz - KXH ≤1,2, reflection attenuation >21 dB

Mechanical characteristics of SSF-85 cable

Installation temperature range: -20...+60ºС
Operating temperature range: -65...+200ºC
Minimum bending radius: 6 mm
Re-bending radius: 20 mm up to 40 cycles

Compatibility and analogues

The Selteq Semiflex SSF-85 coaxial cable is part of the G11 cable group and is similar in size to the following widely used types of HF coaxial cables: UT-85, 1671A, EZ 86, Flexiform 405 NM, RG-405.