Coaxial Cables

M17/128-RG400 (RG 400/U)

Construction

Inner conductor Silver plated copper 19x0.20mm
Dielectric Solid PTFE Φ2.95±0.05mm
Outer conductor(shield1) Silver plated copper 112x0.13mm
Shield coverage 95%
Outer conductor(shield2) Silver plated copper 112x0.13mm
Shield coverage 94%
Sheath FEP Φ4.90±0.13mm

Electrical & Mechanical Characteristics

Impedance 50±3Ohm
Nominal capacitance 94pF/m
Velocity of propagation 70%
Insulation resistance >2000Mohm.Km
Inner conductor resistance 12.6Ohm/Km
Outer conductor resistance 7.5Ohm/Km
Test/Operatig Voltage(max) 5.0KV/1.9KV
Operating temperature range -55°C-+200°C
Copper weight 46Kg/Km
Cable weight(approx.) 64Kg/Km
Screening effectiveness 80dB

Attenuation

Frequency(MHz) Attenuation(dB/100m) Attenuation(dB/100ft)
50 8.5 2.59
100 12.5 3.81
200 17.7 5.4
400 25.9 7.9
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 >25dB
600-900MHz >22dB