Coaxial Cables

M17/127-RG393 (RG 393/U)

 

Construction

Inner conductor Silver plated copper 7x0.79mm
Dielectric Solid PTFE Φ7.25±0.18mm
Outer conductor(shield1) Silver plated copper 144x0.16mm
Shield coverage 95%
Outer conductor(shield2) Silver plated copper 144x0.16mm
Shield coverage 95%
Sheath FEP Φ9.90mm

 

Electrical & Mechanical Characteristics

Impedance 50±3Ohm
Nominal capacitance 94pF/m
Velocity of propagation 70%
Insulation resistance >2000Mohm.Km
Inner conductor resistance 4.99Ohm/Km
Outer conductor resistance 4.0Ohm/Km
Test/Operatig Voltage(max) 5.0KV/2.5KV
Operating temperature range -55°C-+200°C
Copper weight -Kg/Km
Cable weight(approx.) 240Kg/Km
Screening effectiveness 80dB

 

Attenuation

Frequency(MHz) Attenuation(dB/100m) Attenuation(dB/100ft)
100 6.6 2.01
200 9.7 2.96
400 14.3 4.36
900 22.1 6.74
1000 24 7.32
2000 34.4 10.49
3000 47 14.33
5000 65 19.82

 

Return Loss

30-300MHz >30dB
300-600MHz >28dB
600-900MHz >23dB