Coaxial Cables

M17/60-RG142 (RG 142 B/U)

Construction

Coaxial Cables

Inner conductor Silver plated copper cladsteel Φ0.94mm
Dielectric Solid PTFE Φ2.95±0.05mm
Outer conductor(shield1) Silver plated copper 112x0.13mm
Shield coverage 96%
Outer conductor(shield2) Silver plated copper 112x0.13mm
Shiel dcoverage 96%
Outer sheath FEP Φ4.95mm

Electrical & Mechanical Characteristics

Impedance 50±3 Ohm0
Nominal capacitance 95.4pF/m
Velocity of propagation 70%
Insulation resistance >2000 Mohm.Km
Inner conductor resistance 63.3 Ohm/Km
Outer conductor resistance 7.5Ohm/Km
Test/Operatig Voltage(max) 5.0KV/1.9KV
Operating temperature range -55°C-+200°C
Copper Weight 47.0Kg/Km
Cable weight(approx.) 80.0Kg/Km
Screening effectiveness 100-900MHz >60dB

Attenuation

Frequency(MHz) Attenuation(dB/100m) Attenuation(dB/100ft)
100 12.8 3.90
200 17.7 5.4
400 25.9 7.9
700 35.1 10.7
900 40.4 12.32
1000 43 13.11
2000 63.3 19.3
3000 79.4 24.21
5000 107 32.62
8000 141.7 43.2

Return Loss

30-300MHz >28dB
300-600MHz >24dB
600-900MHz >22dB