WMSIC Electronic Components

TA-I Technology RLP25FEER003

ModelRLP25FEER003
Package2512
BrandElectronic Component
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RLP25FEER003
Type
TA-I Technology
Minimum package
4000 圆盘

Technical parameters

Power
2W
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RLP25FEER003
Electronic Component
1
Package
2512
Electronic Component
Current Sense Resistor / Shunt
Electronic Component
±1%
Electronic Component
0.072g
Electronic Component
3mΩ
Electronic Component
1
Electronic Component
BM0264549193
Electronic Component
SMD
Electronic Component
±50ppm/℃
Resistor Type
Current Sense Resistor
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

大毅科技RLP25FEER003电流采样电阻产品概述

一、产品核心定位与应用场景

RLP25FEER003是大毅科技推出的高精度贴片电流采样电阻(分流器),专为中大功率、高稳定性电流检测场景设计。作为电流回路的关键感知元件,其核心作用是通过低阻值将电流信号转换为可测量的电压信号((U=I×R)),为电源管理、电机控制、电池监测等系统提供精准电流反馈,是工业自动化、新能源、消费电子等领域的核心被动元器件之一。

二、关键技术参数解析

该产品参数精准匹配电流采样需求,核心特性解析如下:

  1. 阻值与精度:标称阻值3mΩ(毫欧级),精度±1%——低阻设计可降低自身功耗,避免对被测电路的干扰;±1%精度满足多数工业级检测的准确性要求,无需额外校准即可可靠采样。
  2. 功率承载能力:额定功率2W——结合低阻值计算,最大允许连续电流约25.8A((I=\sqrt{P/R}=\sqrt{2/0.003})),覆盖中小功率电源、电机驱动的电流范围;实际应用可根据降额要求(环境温度、散热条件)灵活调整。
  3. 温度系数(TCR):±50ppm/℃——温度变化时阻值漂移极小(100℃温差下仅漂移0.5%),保证-55℃~125℃宽温域内的采样稳定性,适配高低温交替的工业环境。
  4. 安装方式:贴片式2512封装——英制尺寸(6.4mm×3.2mm),适配自动化贴装产线,降低人工成本并提高电路集成度。

三、封装与可靠性设计

RLP25FEER003采用2512贴片封装,大毅科技针对该封装做了多重可靠性优化:

  • 焊接兼容性:支持回流焊、波峰焊等主流工艺,耐焊接温度达260℃(符合IPC标准),避免焊接中阻值漂移或封装损坏;
  • 机械强度:采用耐高温陶瓷基板+合金电阻膜结构,抗振动(10G~2000Hz)、抗冲击性能优异,适合工业设备严苛环境;
  • 散热设计:封装表面平整,可通过PCB铜箔或散热片快速散热,降低自身温度,延长产品寿命。

四、典型应用领域

该产品因参数适配性强,广泛应用于以下场景:

  1. 电源管理系统:AC/DC开关电源、DC/DC转换器的输出电流采样,配合过流保护实现电源安全控制;
  2. 电机驱动控制:BLDC无刷电机、伺服电机的电流反馈,提高转速/扭矩控制精度,避免过载损坏;
  3. 电池管理系统(BMS):新能源汽车、储能电池的充放电电流监测,精准判断电池状态,防止过充过放;
  4. 工业自动化设备:PLC、变频器的电流检测,实现设备运行状态监控;
  5. 充电桩与电力设备:电动汽车充电桩、UPS的电流采样,保证充电安全与功率稳定。

五、品牌与质量保障

大毅科技作为国内专业被动元器件厂商,RLP25FEER003的质量体系完善:

  • 环保认证:符合RoHS 2.0、REACH标准,无有害物质;
  • 可靠性测试:通过高温老化(125℃×1000h)、高低温循环(-55℃~125℃×1000次)等严苛测试,保证一致性与长寿命;
  • 售后支持:提供技术咨询、样品测试服务,适配客户多样化需求。

总结:RLP25FEER003以低阻、高精度、高稳定为核心优势,是中大功率电流采样场景的高性价比选择,可满足工业、新能源等领域的多样化需求。

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