Lifetime Connectivity

SCF12-50JFN
1/2" CELLFLEX® Superflexible Foam-Dielectric Coaxial Cable

Rev : a | Rev date : 15 Nov 2025

CELLFLEX® 1/2" superflexible cable; flame retardant/ halogen free jacket

Feature / Benefits

  • Low Attenuation
    The low attenuation of CELLFLEX® coaxial cable results in highly efficient signal transferin your RF system.
  • Complete Shielding
    The solid outer conductor of CELLFLEX® coaxial cable creates a continuous RFI/EMI shield that minimizes system interference.
  • Low VSWR
    Special low VSWR versions of CELLFLEX® coaxial cables contribute to low system noise.
  • Outstanding Intermodulation Performance
    CELLFLEX® coaxial cable's solid inner and outer conductors virtually eliminate intermods. Intermodulation performance is also confirmed with state-of-the-art equipment at the RFS factory.
  • High Power Rating
    Due to their low attenuation, outstanding heat transfer properties and temperature stabilized dielectric
    materials, CELLFLEX® cable provides safe long term operating life at high transmit power levels.
  • Wide Range of Application
    Typical areas of application are: feedlines for broadcast and terrestrial microwave antennas, wireless cellular, PCS and ESMR base stations, cabling of antenna arrays, and radio equipment interconnects.
  • Meets/Exceeds:   IEC 60754-1, -2; IEC 60332-1-1, -2; IEC 61034-1, -2; IEC 60332-3-24; EN45545-2; EN50575
rfs-cellflex-scf12.png
Applications
Applications OEM jumpers, Main feed transitions to equipment, GPS lines, Riser-rated In-Building, CPR classified cable
Structure
Cable Type Foam-Dielectric, Superflexible
Size 1/2
Inner Conductor Diameter 3.56mm (0.14in)
Inner Conductor Material Copper-Clad Aluminum Wire
Dielectric Diameter 9.3mm (0.366in)
Dielectric Material Foam Polyethylene
Outer Conductor Diameter 12.3mm (0.48in)
Outer Conductor Material Corrugated Copper
Jacket Diameter 13.75mm (0.54in)
Jacket Material Black Polyethylene, Metalhydroxite Filling
Testing and Environmental
Fire Performance Flame Retardant, LS0H
Installation Temperature -25°C to 60°C (-13°F to 140°F)
Storage Temperature -70°C to 85°C (-94°F to 185°F)
Operation Temperature -50°C to 85°C (-58°F to 185°F)
Electrical Specifications
Impedance 50 +/- 1 Ω
Maximum Frequency 10.6 GHz
Velocity 77 %
Capacitance 86pF/m (26pF/ft)
Inductance 0.215µH/m (0.066µH/ft)
Peak Power Rating 24 kW
RF Peak Voltage 1550 Volts
Jacket Spark 5000 Volt RMS
Inner Conductor dc Resistance 2.97ohm/1000 m (0.9ohm/1000 ft)
Outer Conductor dc Resistance 6.5ohm/1000 m (1.88ohm/1000 ft)
Passive Intermodulation PIM -160 typ. dBc
Return Loss (VSWR) Performance Standard 20dB (1.222) / Premium 23/24dB (1.152/1.135) on specified frequencies
Phase Stabilized

Phase stabilized and phase matched cables and assemblies are available upon request.

Mechanical Specifications
Cable Weight 0.15kg/m (0.1lb/ft)
Minimum Bending Radius 32mm (1.3in)
Bending Moment 2.5 (1.84)
Tensile Strength 650N (146lb)
Recommended / Maximum Clamp Spacing 0.3 / 0.5 (1 / 1.64)
Attenuation @ 20°C (68°F) and Power Rating @ 40°C (104°F)
Frequency, MHz dB per 100m dB per 100ft Power, kW
100 3.21 0.978 2.2
200 4.6 1.4 1.53
450 7.04 2.14 1
700 8.91 2.71 0.792
800 9.57 2.92 0.738
900 10.2 3.11 0.692
1800 14.9 4.55 0.474
2000 15.8 4.82 0.447
2200 16.7 5.09 0.423
2400 17.5 5.35 0.403
2700 18.8 5.72 0.376
3000 19.9 6.07 0.355
3500 21.8 6.63 0.324
4000 23.5 7.16 0.3
5000 26.8 8.16 0.263
10600 42.14 12.85 0.17

External Document Links

Notes

  • Notes SCF12-50JFNTC: TC cables (temperature cycled) are cables that are aged in order to reduce hysteresis effects. Available upon request.
  • Europe ordering code:

SCF12-50JFN-1-50: SCF12-50JFN, 50m length, Carton

SCF12-50JFN-1-100: SCF12-50JFN, 100m length, Carton

SCF12-50JFN-1-500: SCF12-50JFN, 500m length, Drum 08-053-X

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