行业组件数据 · 2026

端子引脚

Terminal pins are conductive metal components that provide electrical connections in refrigerator compressor thermal overload protectors.

技术定义与适配语境
典型 端子引脚 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。

Terminal pins are precision-engineered conductive components designed to establish secure electrical connections between the thermal overload protector and the compressor circuit in refrigeration systems. They serve as the interface points for power supply and control signals, ensuring reliable operation of the protective mechanism that prevents compressor damage from overheating.

组件规格

定义
Terminal pins are precision-engineered conductive components designed to establish secure electrical connections between the thermal overload protector and the compressor circuit in refrigeration systems. They serve as the interface points for power supply and control signals, ensuring reliable operation of the protective mechanism that prevents compressor damage from overheating.
工作原理
Terminal pins function by providing a low-resistance electrical pathway between connected components. When installed in a thermal overload protector, they transmit electrical current to the bimetallic strip or thermal element. When excessive temperature occurs, the protector interrupts the circuit through these pins, cutting power to the compressor to prevent damage.
材料
Copper alloy (typically C11000 or C26000) with tin or silver plating for corrosion resistance and improved conductivity. Alternative materials include brass or phosphor bronze for specific applications.
Pin Length
15mm ±0.5mm
Pin Diameter
2.8mm ±0.1mm
Current Rating
10-20A
Voltage Rating
250V AC
Temperature Range
-40°C to 125°C
Contact Resistance
<5mΩ
Insulation Resistance
>100MΩ
标准
ISO 8092DIN 46247UL 310IEC 60947

行业分类与别名

端子引脚 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

Insufficient plating thickness or poor plating quality->Increased contact resistance leading to localized heating->Implement strict plating thickness QC checks and corrosion testing
Improper installation torque or alignment->Loose connections causing arcing and intermittent operation->Provide precise installation specifications and torque requirements
Material incompatibility with connected components->Galvanic corrosion leading to connection failure->Specify compatible material combinations and protective coatings

工业生态与工程逻辑

0
Poor electrical contact leading to overheating
1
Corrosion causing increased resistance
2
Mechanical stress causing pin deformation
3
Incompatible materials causing galvanic corrosion

合规与检测

tolerance
±0.1mm diameter, ±0.5mm length, contact resistance variation <10%
test method
ASTM B667 for contact resistance, IEC 60068-2-11 for salt spray corrosion, UL 310 for electrical safety

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 terminal pins in thermal overload protectors?

Terminal pins provide the electrical connection points that allow the thermal overload protector to monitor compressor temperature and interrupt power when dangerous overheating occurs, preventing compressor failure.

Why are terminal pins typically plated with tin or silver?

Tin or silver plating reduces oxidation, improves electrical conductivity, enhances corrosion resistance, and ensures reliable long-term connections in the humid refrigeration environment.

Can terminal pins from different manufacturers be interchanged?

While physically similar, terminal pins should only be interchanged when they meet identical electrical specifications, dimensional tolerances, and material requirements to ensure proper function and safety.

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CNFX Industrial Component Index · 电气设备制造

数据基础

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初步技术归类
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