行业组件数据 · 2026

散热器

A heatsink is a passive cooling device that dissipates heat from electronic components to prevent overheating.

技术定义与适配语境
典型 散热器 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。

A heatsink is a thermal management component designed to absorb and dissipate heat generated by power electronic devices, such as transistors, MOSFETs, or IGBTs, in power switching stages. It typically consists of a base plate and fins to increase surface area, enhancing heat transfer to the surrounding air through conduction and convection, thereby maintaining optimal operating temperatures and ensuring device reliability and longevity.

组件规格

定义
A heatsink is a thermal management component designed to absorb and dissipate heat generated by power electronic devices, such as transistors, MOSFETs, or IGBTs, in power switching stages. It typically consists of a base plate and fins to increase surface area, enhancing heat transfer to the surrounding air through conduction and convection, thereby maintaining optimal operating temperatures and ensuring device reliability and longevity.
工作原理
The heatsink operates on the principles of thermal conduction and convection. Heat generated by the electronic component is transferred to the heatsink via direct contact (conduction). The heatsink's extended surface area (fins) then dissipates this heat into the ambient air through natural or forced convection, reducing the component's temperature.
材料
Common materials include aluminum alloys (e.g.60616063) for lightweight and cost-effectivenesscopper for higher thermal conductivityor composite materials. Surface treatments like anodizing or nickel plating may be applied for corrosion resistance and improved emissivity.
Weight
50-500 g
Fin Height
10-50 mm
Base Thickness
3-10 mm
Mounting Method
Screw, clip, or adhesive
Thermal Resistance
0.5-5.0 °C/W
标准
ISO 9001DIN EN 14024

行业分类与别名

散热器 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 material application->Increased thermal resistance, overheating->Use high-quality thermal paste or pads and ensure even application.
Inadequate airflow or blocked fins->Reduced heat dissipation, thermal shutdown->Design for proper ventilation and regular maintenance to clear obstructions.

工业生态与工程逻辑

0
Insufficient cooling leading to component failure
1
Mechanical stress from improper mounting
2
Corrosion in harsh environments

合规与检测

tolerance
±0.1 mm for critical dimensions
test method
Thermal performance testing per MIL-STD-810 or industry-specific standards

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 purpose of a heatsink in a power switching stage?

It dissipates heat from power electronic components to prevent thermal damage, ensure efficiency, and extend device lifespan.

How do I select the right heatsink?

Consider thermal resistance, material, size, airflow conditions, and mounting compatibility based on the component's power dissipation and ambient temperature.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

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: 散热器

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

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URN:CNFX:ME:UNIT:HEATSINK