兴发传输

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Specification

Basic Construction

Standard Shield Tri-Shield Quad-Shield
Conductor Material Bc/Ccs Bc/Ccs Bc/Ccs
Nom.Dia. 18awg 18awg 18awg
Dielectric Material Foam Pe Foam Pe Foam Pe
Nom.Dia. 4.57mm 4.57mm 4.57mm
Shield Material Ai Foil+Ai Braiding Ai Foil+Ai Braiding+Ai Foil (Ai Foil+Ai Braiding)*2
Coverage 40%-95% 40%-95% 40%-60%
Inner Jacket Material Pvc/Pe Pvc/Pe Pvc/Pe
Nom.Dia. 6.91mm 7.06mm 7.62mm
Outer Jacket Material Pvc Pvc Pvc
Nom.Dia. 16.5~19.5mm 16.5~19.5mm 16.5~19.5mm


Basic Characteristics
Nominal Impedance(Ohm) 75±3
Nominal Velocity Of Propagation(%) 85
Nominal Capacitance(Pf/m) 50
Srl(Db) 20 20
Attenuation
[68°f(20℃)]
Frequency(Mhz) Maximum(Db/100ft) Maximum(Db/100m)
5 0.58 1.9
55 1.6 5.25
187 2.85 9.35
300 3.55 11.64
450 4.4 14.43
600 5.1 16.73
750 5.65 18.54
865 6.1 20.01
1000 6.55 21.49