CONMOLY | CM-COAX-PS-F | Flexible Phase-Stable Coaxial Cables
Shenzhen Xinju New Materials Technology Co., Ltd.
https://conmoly.com

Catalogue values support selection. Final tolerances, assembly performance and acceptance tests are defined in the approved drawing and specification. No certification is implied.
50-ohm microwave cables for phase-sensitive equipment, antenna feeds and test interconnects. Select the diameter and frequency range against the loss budget and installation path.

Typical attenuation at +25 °C and sea level. A dash means no value is listed. Phase stability and assembly performance are agreed for the selected length, connectors, bend and temperature conditions.
Impedance: 50 Ω | All listed models
Operating temperature: −55 to +125 °C | Finished cable
Cutoff frequency: 18 / 40 GHz | See individual model; not an assembly rating

Flexible constructions
Code | Centre conductor (mm) | Outer conductor (mm) | Overall diameter (mm) | Min. bend radius (mm) | Mass (g/m) | Capacitance (pF/m) | Cutoff frequency (GHz)
CM-COAX-PS-F-OD1P46 | 0.32 | 1.25 | 1.46 | 6.4 | 7 | 88 | 40
CM-COAX-PS-F-OD2P20 | 0.51 | 1.98 | 2.2 | 12.7 | 14 | 85 | 40
CM-COAX-PS-F-OD3P60 | 0.91 | 3.05 | 3.6 | 25.4 | 32 | 80 | 40
CM-COAX-PS-F-OD4P82 | 1.37 | 4.35 | 4.82 | 25.4 | 53 | 80 | 18
CM-COAX-PS-F-OD5P50 | 1.7 | 5.1 | 5.5 | 25.4 | 71 | 78 | 18
CM-COAX-PS-F-OD7P36 | 2.15 | 6.5 | 7.36 | 38.1 | 115 | 78 | 18
CM-COAX-PS-F-OD8P10 | 2.4 | 7.1 | 8.1 | 38.1 | 145 | 78 | 18

Flexible constructions · typical attenuation (dB/m)
Frequency (GHz) | CM-COAX-PS-F-OD1P46 | CM-COAX-PS-F-OD2P20 | CM-COAX-PS-F-OD3P60 | CM-COAX-PS-F-OD4P82 | CM-COAX-PS-F-OD5P50 | CM-COAX-PS-F-OD7P36 | CM-COAX-PS-F-OD8P10
2 | 1.59 | 0.9 | 0.52 | 0.34 | 0.27 | 0.21 | 0.21
4 | 2.27 | 1.25 | 0.75 | 0.49 | 0.4 | 0.31 | 0.3
6 | 2.82 | 1.55 | 0.93 | 0.6 | 0.5 | 0.38 | 0.36
8 | 3.31 | 1.8 | 1.05 | 0.7 | 0.6 | 0.44 | 0.42
10 | 3.75 | 2 | 1.15 | 0.78 | 0.67 | 0.5 | 0.48
12 | 4.17 | 2.25 | 1.28 | 0.86 | 0.72 | 0.55 | 0.53
14 | 4.53 | 2.4 | 1.4 | 0.93 | 0.81 | 0.61 | 0.57
18 | 5.15 | 2.7 | 1.55 | 1.06 | 0.9 | 0.68 | 0.65
26.5 | 6.35 | 3.3 | 1.95 | — | — | — | —
40 | 7.9 | 4 | 2.4 | — | — | — | —

Typical attenuation at +25 °C and sea level. A dash means no value is listed.
Phase stability and assembly performance are agreed for the selected length, connectors, bend and temperature conditions.
Flexible constructions: CM-COAX-PS-F-OD1P46 · CM-COAX-PS-F-OD2P20 · CM-COAX-PS-F-OD3P60 · CM-COAX-PS-F-OD4P82 · CM-COAX-PS-F-OD5P50 · CM-COAX-PS-F-OD7P36 · CM-COAX-PS-F-OD8P10
Centre conductor: Solid silver-plated centre conductor.
Dielectric: Low-density PTFE insulation.
Outer conductor and shield: Silver-plated flat conductor and braided shield.
Jacket: Fluoroplastic jacket.
Signal and frequency: Protocol, frequency band, impedance and loss budget.
Installation: Length, routing, bend radius, motion and available space.
Environment: Operating temperature and required environmental tests.
Termination: Connector, pinout, shielding and strain relief.

Impedance and attenuation at agreed frequency points
Continuity, insulation resistance and dielectric withstand as specified
Application-specific bend, temperature and assembly verification
Antenna and equipment interconnects
RF and microwave test systems
Airborne equipment routing
Cable supply or project-specific termination
Confirm connector and cable compatibility before assembly
Catalogue values support selection. Final tolerances, assembly performance and acceptance tests are defined in the approved drawing and specification. No certification is implied.
Cable Product Manual · A1 · PDF pages 4, 5
Source: https://conmoly.com/resources