Raytron Technical Review RESEARCH ARTICLE WP-03-02

CCS-30%同轴电缆芯

CCS-30% IACS: Coaxial Cable Core

RAYTRON技术团队¹ *

¹RAYTRON集团技术研究中心, 中国

^*通讯作者

收稿: 2025年12月接受: 2026年2月发布: 2026年3月

DOI: 10.1234/raytron.2026.WP-03-02

1. 引言

1.1 CCS-30%定位

创建同轴电缆结构示意图

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Figure Fig. 1 同轴电缆结构示意图

2. 材料规格

3. 射频性能分析

3.1 趋肤效应优势

在射频频率下，电流在铜包覆层中流动，钢芯提供强度。

创建衰减性能对比图

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Figure Fig. 2 衰减性能对比

4. CATV应用

5. 卫星应用

6. 结论

CCS-30%为同轴电缆应用提供优秀的性价比，在射频性能接近铜的同时提供更高强度。

常见问题

Why is CCS-30% used for coaxial cable center conductors?

CCS-30% provides the optimal balance between conductivity and strength for coaxial cables. At RF frequencies, skin effect causes current to flow primarily in the copper cladding, making the steel core invisible to the signal while providing mechanical strength.

How does skin effect benefit CCS in coaxial applications?

At RF frequencies (typically 5 MHz to 1 GHz for CATV), skin depth is very small (typically less than 10 micrometers). Current flows almost entirely in the copper cladding, so the steel core doesn't affect signal transmission while providing structural support.

What is the attenuation difference between CCS-30% and solid copper?

CCS-30% typically shows 3-5% higher attenuation than solid copper at CATV frequencies. For example, at 1 GHz, CCS may have 14.6 dB/100m vs 14.0 dB/100m for copper - a minimal difference that is easily compensated in system design.

What coaxial cable types use CCS-30%?

CCS-30% is commonly used in RG-6, RG-59, RG-11, and similar coaxial cables for CATV, satellite TV, and broadband applications. It's the dominant choice for drop cables and distribution cables in cable television networks.

图表

创建同轴电缆结构示意图

Fig. 1 同轴电缆结构示意图

创建衰减性能对比图

Fig. 2 衰减性能对比

表格

Table 1 CCS等级定位

等级	导电率	主要应用
CCS-21%	20-23%	接地
CCS-30%	28-32%	同轴电缆
CCS-40%	38-42%	高导电需求

Table 2 材料规格

组分	规格
芯材	低碳钢
包覆层	铜(≥99.9%)
铜体积比	28-32%

Table 3 性能参数

性能	CCS-30%	单位
导电率	28-32	% IACS
抗拉强度	500-700	MPa
密度	~8.0	g/cm³

Table 4 衰减对比(RG-6)

频率	Cu (dB/100m)	CCS-30% (dB/100m)
100 MHz	4.0	4.2
500 MHz	9.5	9.9
1 GHz	14.0	14.6

参考文献

SCTE SCTE Standards for Coaxial Cable SCTE (2020)
ASTM International ASTM B452: Copper-Clad Steel Wire ASTM (2020)

权威参考链接

ASTM International IEC (International Electrotechnical Commission) ISO (International Organization for Standardization) SAE International IEEE