Coaxial Cable

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Standard GB/T 12269 "General specifications of radio-frequency cable"
GB/T 14864 "Radio-frequency cable with solid PE insulation"

Application Coaxial cable is suitable for telecommunication equipment and electrical devices with video data transmissions. These particular cables are designed for use in nuclear power plants for video monitoring.

Specifications

Series Number	Item	Description
1.	Type	SYE-75- 7	SYE-75- 5	SYE-75- 4
2.	Size ( Number of conductors × diameter of conductor mm )	1 / 1.15	1 / 0.75	1 / 0.59
3.	Approx. weight of product (kg/km )	2 90	200	170
4.	Diameter of conductor (mm )	1.15	0.75	0.59
5.	Max. outer diameter of cable (mm )	16.5	13.5	12.5
6.	Max. DC resistance of conductor at 20 ℃ (Ω/km )	23.2	24.5	26.3
7.	Min. Insulation resistance at 20 ℃ (MΩ·km ) (The constant value of Insulation resistance at 20 ℃ is 3670MΩ·km )	2935	2959	2926
8.	Property Impedance (Ω, 200MHz )	75± 5
9.	Max. operating capacitance of cable (pF/m, 1kHz )	115
10.	The average value of attenuation (dB/km) 200MHz	≤1 2 0	≤1 5 0	≤ 22 0
11.	Thermal load (MJ/m )	3.0	2.0	2.0

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