نمایش منو
Coaxial Cables necessary Data

Standard Requirements and Tests acc to JIS C -3501

General Requirements
 

Item

Characteristics

Electrical resistance of inner conductor

Not more than the value in JIS C3005

Dielectric strength

To withstand the test voltage of related Table for 1 minute

Insulation resistance

Not less than 1000 Mohm x kM

Capacitance

Within the range given in Related Table

Characteristic impedance

50 Ohm type

50 ± 2 Ohm

 

75 Ohm type

75 ± 3 Ohm

Velocity ratio

for Solid PE (66 +/- 2 %)

Attenuation

Maximum value shall be not more than 115 % of the standard value given in related Table

 

Mechanical and Thermal Requirements
 

Item

Characteristics

Tension of insulation and sheath

Insulation

Tensile strength

10 MPa (1.02 kgf/mm2) min.

Elongation

400 % min.

Sheath

Tensile strength

10 MPa (1.02 kgf/mm2) min.

Elongation

200 % min.

Heating (Accelerated Aging Test)

Insulation

Tensile strength

Not less than 80 % of the value before heating

Elongation

Not less than 65 % of the value before heating

Sheath

Tensile strength

Not less than 80 % of the value before heating

Elongation

Not less than 80 % of the value before heating

Dielectric loss tangent

6 x 10-4 max.

Dielectric constant

2.2 to 2.5

Heat shrinkage

± 10 %

Cold bend

No crack nor split shall appear