Coaxial SYWV-75 Cable Series

SYWV-75 Cable Series

Description

Dielectric of SYWV-75 cable series is made with foamed polyethylene according to standards SJ/T11138-1997. This cable is usually applied in closed-circuit television system, CATV system etc.

INCLUDE:
SYWV-75-3
SYWV-75-5
SYWV-75-7
SYWV-75-9
SYWV-75-12

 

Specifications

Specifications - Structure (mm)

Type Inner conductor Dielectric Outer conductor Jacket
Material Diameter Diameter Material Form Thickness Diameter
SYWV(Y)-75-3 Copper or CCS 1x0.60 3.00 Tinned or Alloy Wire Single Braid+Al 0.70 5.00
SYWV(Y)-75-5 Copper or CCS 1x1.02 4.80 Tinned or Alloy Wire Single Braid+Al 0.88 7.20
SYWV(Y)-75-7 Copper or CCS 1x1.66 7.25 Tinned or Alloy Wire Single Braid+Al 1.05 10.30
SYWV(Y)-75-9 Copper or CCS 1x2.15 9.00 Tinned or Alloy Wire Single Braid+Al 1.15 12.30
SYWV(Y)-75-12 Copper or CCS 1x2.77 11.50 Tinned or Alloy Wire Single Braid+Al 1.30 15.0

 

Specifications - Electrical Characteristics

Item SYWV(Y)- 75-3 SYWV(Y)- 75-5 SYWV(Y)- 75-7 SYWV(Y)- 75-9 SYWV(Y)- 75-12
Resistance of Inner conductor(ohm/km) Bare copper 62.1 21.96 8.00 4.80 3.10
Copper Clad Steel 218.8 74.12 28.3 - 15.10
Copper Clad Aluminum - - - 7.60 4.61
Insulation Resistance MΩ·km 5000
Dielectric Strength (kv) 1.6
Velocity of Propagation 0.81 0.80 0.85 0.87 0.88
Impedance (ohm) 75±3
Capacitance (pF/m) 55.0 55.8 52.4 50.8 51.0
Min. Bending Temperature ℃ -15 -15 -15 -15 -15

 

Specifications - Attenuation (dB/100m)

Type Frequency (MHz)
50 200 400 550 800 1000
SYWV(Y)-75-3 9.5 19.0 29.5 36.3 43.2 53.1
SYWV(Y)-75-5 4.8 9.7 13.5 16.8 20.3 24.5
SYWV(Y)-75-7 3.2 6.4 8.1 10.7 13.3 14.8
SYWV(Y)-75-9 2.4 5.0 6.2 8.5 10.4 12.0
SYWV(Y)-75-12 1.9 3.9 5.1 6.7 8.2 9.8