International standards
World-class quality assurance

Participate in multiple overseas projects

Participate in multiple overseas projects

British brand
Zero rejection from global consultants

Extensive experience in overseas project submission

Extensive experience in overseas project submission

Perfect combination of creativity and technology
Each cable is made as per demand

Special cable customization service

Special cable customization service
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SR250-75 Coaxial Cables

Construction

Inner conductor  Silver plated copper clad steel(SCCS)  Φ0.94 mm 
Dielectric  PTFE  Φ5.44 ± 0.1mm 

Outer conductor 

type1:Seamless bare copper tube  Φ6.35 ± 0.1mm
type2:Seamless copper tube, tin plated(TP) 
type3:Seamless copper tube, silver plated(SP) 

Electrical & Mechanical Characteristics

Impedance 75±5 Ohm
Nominal capacitance  63.5 pF/m
Velocity of propagation  -
Insulation resistance  - Mohm.Km
Inner conductor resistance  - Ohm/Km
Outer conductor resistance  - Ohm/Km
Operating temperature range  -55°C - +125 °C 
Outer conductor integrity temperature  175°C 
Min.bending radius  22.3 mm 

Attenuation

Frequency(MHz)   Max. Attenuation(dB/100m)   Max. Attenuation(dB/100ft)  
500 4 1.2
1000 24 7.3
5000 60 18.3
10000 93 28.3
20000 147 44.8