行业组件数据 · 2026

电线/电缆

Conductive wires and cables used for electrical power transmission and signal communication in automotive wiring harnesses.

技术定义与适配语境
典型 电线/电缆 会按材料、尺寸公差、适配关系和失效风险在 汽车制造 中评估。

Wires and cables are essential components in automotive wiring harnesses, consisting of conductive cores (typically copper or aluminum) insulated with materials like PVC, cross-linked polyethylene (XLPE), or fluoropolymers. They are designed to transmit electrical power, signals, and data between various vehicle systems, including engine control units, sensors, lighting, infotainment, and safety features. Automotive wires must meet stringent standards for voltage rating, current capacity, temperature resistance, flexibility, and durability to withstand harsh environmental conditions such as vibration, moisture, chemicals, and extreme temperatures.

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组件规格

定义
Wires and cables are essential components in automotive wiring harnesses, consisting of conductive cores (typically copper or aluminum) insulated with materials like PVC, cross-linked polyethylene (XLPE), or fluoropolymers. They are designed to transmit electrical power, signals, and data between various vehicle systems, including engine control units, sensors, lighting, infotainment, and safety features. Automotive wires must meet stringent standards for voltage rating, current capacity, temperature resistance, flexibility, and durability to withstand harsh environmental conditions such as vibration, moisture, chemicals, and extreme temperatures.
工作原理
Wires and cables operate on the principle of electrical conductivity, where the conductive core (usually copper) allows the flow of electrical current when a voltage is applied. Insulation materials prevent short circuits, electrical leakage, and protect against environmental factors. In automotive applications, they are often bundled into harnesses with connectors to organize and route electrical pathways efficiently, ensuring reliable power distribution and signal integrity across the vehicle's electrical system.
材料
Conductive core: Copper (stranded or solid)aluminumInsulation: PVC (Polyvinyl Chloride)XLPE (Cross-linked Polyethylene)PTFE (Polytetrafluoroethylene)silicone rubberSheathing: PVCpolyurethanethermoplastic elastomersShielding: Braided copperaluminum foil (for EMI/RFI protection).
Flexibility
High-flex grade available
Conductor Size
0.5 mm² to 120 mm² (AWG 20 to 4/0)
Voltage Rating
Up to 600V
Flame Resistance
UL94 V-0 rated
Temperature Range
-40°C to 125°C
Insulation Thickness
0.3 mm to 2.0 mm
标准
ISO 6722ISO 14572DIN 72551SAE J1128UL 758

行业分类与别名

电线/电缆 的常用贸易名称、技术标识和检索关键词。

automotive wirescableswiring harnesselectrical componentsISO 6722copper conductorsinsulation materialsvehicle electrical systems电线/电缆Wires/Cables汽车制造 电线/电缆

上级产品

该组件会出现在以下整机或工业产品中。

线束与连接器
在机器人搬运臂内部传输电力、信号和数据的电气互连系统。
查看产品详情 ->

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Insulation degradation from heat or chemicals->Short circuit leading to electrical system malfunction->Use high-temperature resistant materials (e.g., XLPE) and regular inspection
Poor connector crimping or termination->Intermittent electrical connections or open circuits->Follow standardized crimping procedures and quality control checks
Mechanical stress from vibration or bending->Conductor breakage or insulation cracking->Design with adequate flexibility and use strain relief in harness routing

工业生态与工程逻辑

兼容对象
Automotive wiring harnessesElectrical control unitsSensors and actuatorsLighting systemsInfotainment systems
可替换件
Sumitomo ElectricYazakiLEONIFurukawa ElectricNexans
0
Electrical short circuits due to insulation damage
1
Overheating from excessive current load
2
Corrosion of conductive cores in humid environments
3
Signal interference (EMI/RFI) in unshielded cables

合规与检测

tolerance
Conductor diameter tolerance: ±0.05 mm; Insulation thickness tolerance: ±0.1 mm
test method
Testing per ISO 6722 for voltage withstand, insulation resistance, and flexibility; UL 758 for flame resistance and durability.

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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。

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常见问题

What are the key standards for automotive wires and cables?

Key standards include ISO 6722 for road vehicle cables, ISO 14572 for data communication cables, DIN 72551 for color coding, and SAE J1128 for low-voltage cables, ensuring safety and performance.

How do temperature ratings affect wire selection in automotive applications?

Temperature ratings, typically from -40°C to 125°C, determine wire suitability for engine compartments or harsh environments; higher ratings use materials like XLPE or silicone for durability.

What materials are commonly used for insulation in automotive wires?

Common insulation materials include PVC for general use, XLPE for high-temperature resistance, and PTFE or silicone for extreme conditions, balancing flexibility, durability, and cost.

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CNFX Industrial Component Index · 汽车制造

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初步技术归类
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