WMSIC Electronic Components

TA-I Technology RLP25FEGMR002

ModelRLP25FEGMR002
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RLP25FEGMR002
Type
TA-I Technology
Minimum package
4000 圆盘

Technical parameters

Power
3W
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RLP25FEGMR002
Electronic Component
1
Package
2512
Electronic Component
Current Sense Resistor / Shunt
Electronic Component
±1%
Electronic Component
0.128g
Electronic Component
2mΩ
Electronic Component
1
Electronic Component
BM0265427467
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.

RLP25FEGMR002 合金采样电阻产品概述

RLP25FEGMR002是大毅科技推出的贴片式合金采样电阻,专为中功率场景下的高精度电流检测设计,凭借低阻值、高功率、宽温稳定等特性,广泛适配新能源、工业自动化、电源管理等领域的电流采样需求。

一、产品核心定位与典型应用场景

该电阻属于毫欧级合金采样电阻,核心作用是通过“电压降采样”实现电路电流的精确检测(原理:(V=I×R),测量电阻两端电压即可计算电流)。典型应用场景包括:

  1. 新能源汽车领域:车载电池管理系统(BMS)的单体/模组电流监控、充电桩的充电电流反馈、电机控制器的电流闭环控制;
  2. 工业电源系统:服务器电源、UPS不间断电源的输出电流采样、DC-DC转换器的电流调节反馈;
  3. 电机驱动领域:伺服电机、BLDC无刷电机的电流闭环控制、工业机器人关节驱动的电流检测;
  4. 消费电子与通信:大功率快速充电器(65W+)的电流保护、基站电源的电流监控。

二、关键技术参数深度解析

RLP25FEGMR002的参数设计针对性强,适配中功率电流采样的核心需求:

  • 阻值与精度:标准阻值2mΩ(毫欧级),精度±1%——低阻值可承受大电流(最大电流≈38.7A,由(I=\sqrt{P/R})计算),±1%精度满足多数工业级电流检测的误差要求;
  • 功率与封装:额定功率3W,采用2512贴片封装(英制250mil×120mil,公制≈5.0mm×3.2mm)——2512封装平衡功率能力与尺寸,适合高密度PCB设计,支持自动化贴装;
  • 温度系数(TCR):±50ppm/℃——温度变化对阻值影响极小,例如-55℃至125℃宽温范围内,阻值变化仅约0.01mΩ(温度变化100℃时),保证不同环境下采样精度稳定;
  • 材质与稳定性:采用锰铜合金材质,相比碳膜、金属膜电阻,具有更低TCR、更好抗过载能力与长期稳定性。

三、设计优势与性能特点

RLP25FEGMR002在同规格产品中具备以下核心优势:

  1. 宽温场景适配:±50ppm/℃的TCR覆盖工业级温度范围(-55℃~125℃),适合户外充电桩、车载环境等温度波动大的场景;
  2. 大电流承载能力:2mΩ低阻值结合3W功率,可稳定承载30A左右工作电流(建议80%功率降额,延长寿命),满足中功率设备电流检测需求;
  3. 贴片封装兼容性:2512封装符合IPC-J-STD-001行业标准,适配主流SMT贴装设备,降低生产工艺复杂度;
  4. 环保与可靠性:符合RoHS、REACH环保要求,经过高低温循环、湿热老化、振动冲击等测试,保证1000小时以上长期稳定工作。

四、品牌与可靠性保障

大毅科技作为被动元器件领域专业厂商,在合金电阻研发生产上积累多年经验:

  • 工艺成熟度:采用激光微调技术保证阻值精度,合金材料配方优化确保TCR一致性;
  • 认证齐全:产品通过UL、VDE等国际安全认证,满足不同行业合规要求;
  • 技术支持:提供选型指南、降额曲线参考等服务,帮助客户优化电路设计。

总结而言,RLP25FEGMR002是一款性能均衡的贴片合金采样电阻,以低阻值、高功率、宽温稳定为核心竞争力,适用于对电流检测精度有要求的中功率场景,是新能源、工业自动化等领域的可靠选择。

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