行业组件数据 · 2026

端子/引脚

Feedthrough filter terminals/pins are conductive connection points that provide electrical interface and filtering functionality in electronic systems.

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。

Terminals and pins in feedthrough filters are specialized electrical connectors designed to pass signals or power through shielding barriers while providing electromagnetic interference (EMI) filtering. These components typically consist of conductive metal elements that connect internal filter circuits to external wiring, often incorporating capacitive or inductive elements directly within the terminal structure to filter unwanted high-frequency noise. They maintain electrical continuity while preventing electromagnetic interference from passing through the filter housing, making them critical for signal integrity in sensitive electronic applications.

组件规格

定义
Terminals and pins in feedthrough filters are specialized electrical connectors designed to pass signals or power through shielding barriers while providing electromagnetic interference (EMI) filtering. These components typically consist of conductive metal elements that connect internal filter circuits to external wiring, often incorporating capacitive or inductive elements directly within the terminal structure to filter unwanted high-frequency noise. They maintain electrical continuity while preventing electromagnetic interference from passing through the filter housing, making them critical for signal integrity in sensitive electronic applications.
工作原理
Feedthrough filter terminals/pins operate by providing a conductive path through a shielded enclosure while incorporating passive filter elements (typically capacitors or LC networks) that create a low-impedance path to ground for high-frequency noise. The terminal's construction creates a pi-filter configuration where the pin itself forms part of the filtering circuit, attenuating electromagnetic interference by shunting unwanted frequencies to the filter's ground connection while allowing desired signals to pass through with minimal attenuation.
材料
Copper alloys (brassberyllium copperphosphor bronze) with goldsilveror tin platingstainless steel for corrosion resistanceceramic or glass insulatorsdielectric materials for capacitive elements
Mounting Type
Panel mount, PCB mount, solder tab
Current Rating
1A to 100A
Insertion Loss
40dB to 80dB at 100MHz
Voltage Rating
50V to 1000V DC/AC
Temperature Range
-55°C to +125°C
Contact Resistance
<10 mΩ
Insulation Resistance
>1000 MΩ
Dielectric Withstanding Voltage
500V to 2000V
标准
ISO 9001IEC 60384MIL-PRF-15733UL 94RoHS

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

Poor solder joints or mechanical connections->Intermittent electrical connectivity or complete connection loss->Implement proper soldering procedures, use appropriate torque specifications, conduct pull testing, and perform regular inspection
Dielectric breakdown in capacitive elements->Short circuit or reduced filtering effectiveness->Use capacitors with adequate voltage ratings, implement overvoltage protection, ensure proper spacing, and select appropriate dielectric materials
Corrosion of conductive surfaces->Increased contact resistance and potential open circuits->Apply appropriate plating (gold, silver, tin), use corrosion-resistant base materials, implement environmental sealing, and control storage conditions

工业生态与工程逻辑

0
Insufficient filtering leading to EMI compliance failures
1
Mechanical failure from vibration or thermal cycling
2
Corrosion in harsh environments
3
Incorrect installation causing short circuits
4
Degradation of filtering performance over time

合规与检测

tolerance
±10% capacitance value, ±0.1mm dimensional tolerance for mounting features
test method
Insertion loss measurement per IEC 62333, dielectric withstand voltage testing, insulation resistance testing, thermal cycling, vibration testing, salt spray testing for corrosion resistance

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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 difference between feedthrough terminals and regular terminals?

Feedthrough terminals incorporate filtering elements (typically capacitors) within the terminal structure to provide EMI suppression, while regular terminals only provide electrical connectivity without filtering functionality.

How do I select the right feedthrough terminal for my application?

Consider current rating, voltage requirements, frequency range of noise to be filtered, insertion loss specifications, mounting type, environmental conditions, and compliance with relevant industry standards.

Can feedthrough terminals be used in high-vibration environments?

Yes, many feedthrough terminals are designed with mechanical locking features, rugged construction, and vibration-resistant materials specifically for automotive, aerospace, and industrial applications.

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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
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: 端子/引脚

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