行业组件数据 · 2026

电流检测电阻接口

Interface component connecting sense resistors to current sense amplifiers for precise current measurement in electrical systems.

技术定义与适配语境
典型 电流检测电阻接口 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 specialized electrical interface component designed to connect sense resistors (shunt resistors) to current sense amplifiers in industrial and electronic applications. It provides reliable electrical connections, signal conditioning, and protection features to ensure accurate current measurement by maintaining low resistance paths, minimizing parasitic effects, and handling high current densities while maintaining signal integrity.

组件规格

定义
A specialized electrical interface component designed to connect sense resistors (shunt resistors) to current sense amplifiers in industrial and electronic applications. It provides reliable electrical connections, signal conditioning, and protection features to ensure accurate current measurement by maintaining low resistance paths, minimizing parasitic effects, and handling high current densities while maintaining signal integrity.
工作原理
The sense resistor interface operates by providing a low-impedance connection between the sense resistor and the amplifier input. It maintains the voltage drop across the sense resistor with minimal distortion, transmits this differential voltage signal to the amplifier while rejecting common-mode noise, and often includes filtering and protection circuits to ensure measurement accuracy. The interface must maintain precise electrical characteristics to prevent signal degradation that could affect current measurement precision.
材料
Copper alloy contacts (typically C11000 or C17200)FR-4 or high-frequency PCB substrategold or tin plating for corrosion resistancehigh-temperature plastic housing (PBTPPSor LCP)nickel-plated steel mounting hardwaresilicone or polyurethane sealing for environmental protection.
IP Rating
IP67 (when properly installed)
Mating Cycles
> 1000 cycles
Current Rating
Up to 100A continuous
Voltage Rating
60V DC/AC
Contact Resistance
< 2mΩ
Insulation Resistance
> 1000MΩ at 500V DC
Operating Temperature
-40°C to +125°C
Dielectric Withstanding Voltage
1500V AC for 1 minute
标准
IEC 60947UL 1059ISO 8820DIN 41612

行业分类与别名

电流检测电阻接口 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 contact surface maintenance->Increased contact resistance leading to measurement inaccuracy->Use gold-plated contacts and regular maintenance schedules
Thermal expansion mismatch->Connection loosening under temperature cycling->Design with compatible thermal expansion coefficients and proper torque specifications
Environmental contamination->Corrosion and insulation breakdown->Implement proper sealing and use corrosion-resistant materials

工业生态与工程逻辑

0
Thermal runaway due to poor contact
1
Signal distortion from parasitic elements
2
Corrosion in humid environments
3
Mechanical failure from vibration
4
Incorrect installation causing measurement errors

合规与检测

tolerance
±0.5% for contact resistance, ±1°C for temperature measurement accuracy
test method
Four-wire resistance measurement, thermal cycling tests, vibration testing per IEC 60068-2-6, salt spray testing per ISO 9227

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

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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 main purpose of a sense resistor interface?

The primary purpose is to provide a reliable, low-resistance connection between sense resistors and current sense amplifiers while maintaining signal integrity and protecting against environmental factors that could affect measurement accuracy.

How does this interface affect measurement accuracy?

Proper interface design minimizes parasitic resistance, inductance, and thermal effects that could distort the voltage signal from the sense resistor. High-quality interfaces maintain consistent electrical characteristics across temperature variations and mating cycles.

Can these interfaces handle high-current applications?

Yes, industrial-grade sense resistor interfaces are designed for high-current applications with appropriate current ratings, thermal management features, and materials that can withstand the associated heat generation.

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URN:CNFX:ME:UNIT:SENSE_RESISTOR_INTERFACE