123-142-50
×
Coax Bulk
123-142-50

RG-142 bulk RF coaxial cable

Public-safety LTE · 4G/5G FR1 (sub-3 GHz) · 5G mid-band

365 · Available Stock to 28 days
$5.58 Premier · per ea
📄 Spec Sheet (PDF)

Sign in to see your contracted tier pricing — or call (949) 888-5548 for volume pricing.

  • Manufacturer: 123eWireless
  • MPN: 123-142-50
  • Legacy PN: M4251

Details

RG-142 is a 50-ohm RF coaxial cable engineered for reliable, durable RF interconnect. Rated to 8 GHz.
Construction: Solid Silver-Plated Copper-Clad Steel inner conductor, PTFE (Polytetrafluoroethylene) dielectric, Double Silver-Plated Copper Wire Braid outer conductor (shield), FEP, Brown jacket.
Operating range -55 to 200 °C. Sold by the foot from continuous reels; cut to length on order.

Why this part

RG-142 50-ohm RF coaxial cable, engineered for durable, reliable RF interconnect.
I.

1. Electrical Characteristics

Required to build assembly
Nominal Impedance (Ω) 50
Frequency Range DC – 8 GHz
— Cable Attenuation Chart (Standard Test Frequencies) —
Cable Attenuation @ 600 MHz (dB/100 ft) 9.90
Cable Attenuation @ 1.9 GHz (dB/100 ft) 18.63
Cable Attenuation @ 2.6 GHz (dB/100 ft) 22.25
Cable Attenuation @ 3.5 GHz (dB/100 ft) 26.41
Cable Attenuation @ 6 GHz (dB/100 ft) 36.31
Velocity of Propagation (Vp) (%) 69
Dielectric Constant (εr) 2.10 (derived from Vp)
Time Delay (ns/ft) 1.47 (derived)
Capacitance (pF/ft) 29.3
Inductance (µH/ft) 0.074
DC Resistance — Inner Conductor (Ω/1000 ft) 19.20
DC Resistance — Outer Conductor (Ω/1000 ft) 2.29
Proof Voltage (V) 1900
PIM Rating (dBc)
II.

2. Construction & Dimensions

— Identification —
Cable Family / Trim Code RG142
Commercial Name RG-142
Cable OD — Overall 0.193 in / 4.90 mm
Cable Weight 0.050 lb/ft / 74 g/m
— Inner Conductor —
Inner Conductor — Material Solid Silver-Plated Copper-Clad Steel
Inner Conductor — Diameter (in) 0.0370
Inner Conductor — Construction Solid
— Dielectric —
Dielectric — Material PTFE (Polytetrafluoroethylene)
Dielectric — Diameter (in) 0.1161
Dielectric — Construction Solid
— Outer Conductor / Shield —
Outer Conductor — Type Braid
Outer Conductor — Material Double Silver-Plated Copper Wire Braid
Outer Conductor — Diameter (in) 0.1620
— Jacket —
Jacket — Material FEP, Brown
III.

3. Mechanical Performance

Bend Radius — Single / Installation 1.93 in / 49.0 mm
Cold Bend Temperature (operating min) (°C) -55
IV.

4. Environment

Operating Temperature Range (°C) -55 to +200
Flame Rating CMP (plenum) — FEP (derived from jacket)
UV / Outdoor Rating Outdoor (FEP is UV-stable) (derived)
★

References

Legacy Part Number M4251