行业组件数据 · 2026

内导体

Inner conductor is the central conductive element in transmission lines that carries electrical current with minimal loss.

技术定义与适配语境
典型 内导体 会按材料、尺寸公差、适配关系和失效风险在 电气设备制造 中评估。

The inner conductor is the primary current-carrying component in coaxial or multi-conductor transmission systems, typically positioned concentrically within insulating and shielding layers. It's engineered to maintain precise impedance characteristics, minimize signal attenuation, and provide reliable electrical connectivity in high-frequency applications. In transmission lines, it serves as the core pathway for electromagnetic energy transfer between source and load.

组件规格

定义
The inner conductor is the primary current-carrying component in coaxial or multi-conductor transmission systems, typically positioned concentrically within insulating and shielding layers. It's engineered to maintain precise impedance characteristics, minimize signal attenuation, and provide reliable electrical connectivity in high-frequency applications. In transmission lines, it serves as the core pathway for electromagnetic energy transfer between source and load.
工作原理
Operates on electromagnetic field theory where alternating current flows through the conductor, creating surrounding electromagnetic fields. The conductor's geometry and material properties determine characteristic impedance, signal propagation speed, and attenuation characteristics. In balanced transmission systems, it works with complementary conductors; in unbalanced systems (like coaxial), it functions with outer shielding.
材料
High-conductivity oxygen-free copper (C10100/C10200)silver-plated copper for RF applicationsaluminum alloys (6061-T6) for weight-sensitive applicationsor beryllium copper for spring contacts. Surface finishes include tinsilveror gold plating for corrosion resistance and solderability.
Diameter
0.5-25 mm
Impedance
50Ω or 75Ω standard
Conductivity
>100% IACS for copper
Voltage Rating
Up to 1000V RMS
Frequency Range
DC to 18 GHz
Temperature Rating
-55°C to +125°C
标准
IEC 61196MIL-DTL-17ASTM B1ISO 6722

行业分类与别名

内导体 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Improper material selection->Increased attenuation, signal loss->Use high-conductivity materials with appropriate plating; verify material certifications
Manufacturing dimensional variations->Impedance deviation, VSWR increase->Implement statistical process control; use precision extrusion/drawing equipment
Environmental exposure->Corrosion, oxidation->Apply protective coatings; specify appropriate plating thickness; use hermetic seals

工业生态与工程逻辑

0
Impedance mismatch causing signal reflection
1
Corrosion leading to increased resistance
2
Mechanical fatigue from vibration
3
Thermal expansion mismatch
4
Plating degradation over time

合规与检测

tolerance
±0.02 mm diameter, ±1% impedance variation
test method
Time-domain reflectometry (TDR) for impedance verification, four-point resistance measurement, plating thickness measurement per ASTM B568

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the difference between inner conductor and outer conductor in transmission lines?

The inner conductor carries the primary signal current, while the outer conductor (shield) provides return path and electromagnetic shielding. In coaxial configurations, they maintain precise spacing to control impedance.

Why is silver plating used on inner conductors?

Silver plating reduces surface resistance at high frequencies due to skin effect, improves corrosion resistance, and maintains stable electrical properties over temperature variations.

How does conductor diameter affect transmission line performance?

Diameter directly impacts characteristic impedance, current-carrying capacity, and attenuation. Larger diameters reduce resistance but may increase capacitance, requiring careful impedance matching.

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CNFX Industrial Component Index · 电气设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 内导体

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URN:CNFX:ME:UNIT:INNER_CONDUCTOR