Coaxial Cables

M17/111-RG303 (RG303/U)

Construction

Inner conductor Silver plated copper cladsteel Φ0.94mm
Dielectric PTFE Φ2.95mm
Outer conductor(shield) Silver plated copper 112x0.13mm
Shield coverage 95%
Sheath FEP Φ4.32mm

Electrical & Mechanical Characteristics

Impedance 50±3Ohm
Nominal capacitance 94pF/m
Velocity of propagation 70%
Insulation resistance >2000Mohm.Km
Inner conductor resistance 63.5Ohm/Km
Outer conductor resistance 7.5Ohm/Km
Test/Operatig Voltage(max) 5.0KV/1.9KV
Operating temperature range -55°C-+200°C
Copper Weight -KG/Km
Cable weight(approx.) 45Kg/Km
Screening effectiveness 60dB

Attenuation

Frequency(MHz) Attenuation(dB/100m) Attenuation(dB/100ft)
50 8.9 2.71
100 12.8 3.9
200 18.4 5.61
400 25.8 7.87
700 36.1 11.01
900 41 12.5
1000 44.3 13.51
1500 52.3 15.95
2000 61.4 18.72
3000 82 25

Return Loss

30-300MHz >31dB
300-600MHz >26dB
600-900MHz >23dB