行业组件数据 · 2026

散热片鳍片

Heat sink fins are extended surface components designed to dissipate heat from electronic or mechanical systems through convection and radiation.

技术定义与适配语境
典型 散热片鳍片 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

Heat sink fins are critical thermal management components that increase the surface area of a heat sink to enhance heat dissipation. They work by transferring thermal energy from a heat-generating source (like CPUs, power transistors, or industrial machinery) to the surrounding environment through conduction, convection, and radiation. The design, spacing, height, and material of fins directly impact thermal resistance, airflow dynamics, and overall cooling efficiency in applications ranging from electronics to industrial equipment.

组件规格

定义
Heat sink fins are critical thermal management components that increase the surface area of a heat sink to enhance heat dissipation. They work by transferring thermal energy from a heat-generating source (like CPUs, power transistors, or industrial machinery) to the surrounding environment through conduction, convection, and radiation. The design, spacing, height, and material of fins directly impact thermal resistance, airflow dynamics, and overall cooling efficiency in applications ranging from electronics to industrial equipment.
工作原理
Heat sink fins operate on the principles of thermal conduction and convection. Heat from the source conducts through the base into the fins, then dissipates into the surrounding air via forced or natural convection. The increased surface area provided by fins maximizes heat transfer by exposing more material to airflow, reducing thermal resistance and maintaining optimal operating temperatures.
材料
Typically aluminum alloys (60616063 for balance of conductivity and cost)copper (C11000 for maximum conductivity)or advanced composites. May include anodized coatings for corrosion resistance or thermal interface materials at mounting surfaces.
Fin Height
5-50 mm
Fin Spacing
1.5-10 mm
Fin Thickness
0.5-2.0 mm
Base Thickness
3-15 mm
Surface Finish
Anodized, bare, or coated
Thermal Conductivity
150-400 W/m·K
标准
ISO 13732-1DIN EN 60721-3-3

行业分类与别名

散热片鳍片 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

Poor thermal interface between fin base and heat source->Reduced heat transfer efficiency leading to overheating->Use thermal interface materials, ensure flat mounting surfaces, proper torque during assembly
Corrosion due to environmental exposure->Degraded thermal performance and structural integrity->Apply protective coatings, select corrosion-resistant materials, implement regular maintenance

工业生态与工程逻辑

0
Thermal fatigue from cyclic heating/cooling
1
Corrosion in harsh environments
2
Mechanical damage from vibration or impact
3
Insufficient cooling leading to component failure

合规与检测

tolerance
±0.1 mm for critical dimensions, flatness within 0.05 mm/mm
test method
Thermal resistance testing per MIL-STD-810, airflow simulation, infrared thermography

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 primary function of heat sink fins?

To increase surface area for more efficient heat dissipation from electronic or mechanical components.

How do fin spacing and height affect cooling performance?

Closer spacing increases surface area but may restrict airflow; taller fins enhance dissipation but require stronger base support. Optimal design balances these factors for specific airflow conditions.

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CNFX Industrial Component Index · 机械和设备制造

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URN:CNFX:ME:UNIT:HEAT_SINK_FINS