行业组件数据 · 2026

PCB安装引脚

Precision-machined conductive pins for secure PCB mounting and electrical connectivity in power regulation modules.

技术定义与适配语境
典型 PCB安装引脚 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。

PCB mounting pins are small, cylindrical conductive components designed to mechanically secure printed circuit boards (PCBs) within power regulation modules while establishing reliable electrical connections between the PCB and other module elements. These pins typically feature precision-machined threads or press-fit designs that ensure stable positioning, proper grounding, and consistent signal transmission in industrial electrical equipment.

组件规格

定义
PCB mounting pins are small, cylindrical conductive components designed to mechanically secure printed circuit boards (PCBs) within power regulation modules while establishing reliable electrical connections between the PCB and other module elements. These pins typically feature precision-machined threads or press-fit designs that ensure stable positioning, proper grounding, and consistent signal transmission in industrial electrical equipment.
工作原理
PCB mounting pins function by providing both mechanical support and electrical pathways. Mechanically, they anchor the PCB to the module chassis through threaded or interference-fit connections, preventing vibration-induced displacement. Electrically, they create conductive bridges between PCB traces and ground planes or other circuit elements, often serving as grounding points or signal carriers while maintaining isolation from adjacent components.
材料
Typically made from brass (C36000/C37700) or phosphor bronze (C51000/C52100) with optional nickel or gold plating (3-5μm) for corrosion resistance and improved conductivity. High-temperature applications may use beryllium copper (C17200) or stainless steel (304/316) with conductive coatings.
Length
8-25mm
Diameter
2.0-5.0mm
Resistance
<5mΩ
Thread Type
M2-M4 metric or #4-40 UNC
Current Rating
3-15A
Insertion Force
20-100N
Plating Thickness
3-8μm
Temperature Range
-40°C to +125°C
标准
ISO 9001IEC 60950-1IPC-A-610RoHSREACH

行业分类与别名

PCB安装引脚 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

Incorrect torque application during installation->Thread stripping or cracked PCB mounting holes->Use calibrated torque drivers (0.4-1.2Nm range) and follow manufacturer installation guidelines
Material incompatibility in corrosive environments->Galvanic corrosion at pin-PCB interface->Select compatible materials (e.g., gold-plated pins for gold-plated PCB pads) and use conformal coatings
Thermal cycling in high-power applications->Fatigue cracking at solder joints->Implement strain relief designs and use high-temperature solder alloys (Sn96.5Ag3Cu0.5)

工业生态与工程逻辑

0
Insufficient grounding leading to EMI issues
1
Vibration-induced loosening
2
Galvanic corrosion in mixed-material assemblies
3
Over-torquing during installation
4
Thermal expansion mismatch

合规与检测

tolerance
±0.05mm diameter, ±0.1mm length, thread pitch tolerance per ISO 965-1 Medium class
test method
IPC-TM-650 for solderability, MIL-STD-202 for vibration resistance, IEC 60068-2-6 for mechanical shock testing

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 are the main functions of PCB mounting pins in power regulation modules?

PCB mounting pins serve three primary functions: mechanical stabilization of PCBs within the module chassis, electrical grounding to prevent EMI/RFI interference, and providing reliable conductive pathways between PCB layers and external connections.

How do I select the appropriate PCB mounting pin for my application?

Consider these factors: current carrying requirements (3-15A typical), environmental conditions (temperature, humidity), vibration levels, PCB thickness, required insertion/withdrawal force, and compatibility with existing mounting holes. Always verify material specifications and plating for corrosion resistance.

Can PCB mounting pins be reused after installation?

Threaded pins can typically be reused 3-5 times if undamaged, while press-fit pins are generally single-use due to deformation during installation. Always inspect for plating wear, thread damage, or deformation before reuse in critical applications.

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: PCB安装引脚

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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