WMSIC Electronic Components

TA-I Technology RLP25FEGR100

ModelRLP25FEGR100
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
RLP25FEGR100
Type
TA-I Technology
Minimum package
4000 圆盘

Technical parameters

Power
3W
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RLP25FEGR100
Electronic Component
1
Package
2512
Electronic Component
Current Sense Resistor / Shunt
Electronic Component
±1%
Electronic Component
0.076g
Electronic Component
100mΩ
Electronic Component
1
Electronic Component
BM0264549154
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RLP25FEGR100电流采样电阻产品概述

一、产品定位与核心功能

RLP25FEGR100是大毅科技针对工业级大电流检测场景推出的高精度贴片式电流采样电阻(分流器),核心作用是将电路中的电流信号线性转换为可测量的电压信号(依据欧姆定律(V=IR)),为过流保护、功率监控、电流闭环控制等提供精准的模拟量输入。区别于普通功率电阻,该产品重点优化了低阻精度、温漂稳定性及功率承载能力,是电源、电机、电池管理等领域的标准化采样元件。

二、关键性能参数详解

该产品的核心参数围绕“低阻、高精度、宽温稳”三大特性设计,具体如下:

  1. 阻值与精度:标称阻值100mΩ(0.1Ω),精度±1%——低阻设计可大幅减少采样时的电压降(如10A电流下仅产生1V压降),避免对主电路造成额外损耗;±1%的精度满足大多数工业检测场景的误差要求,无需额外校准即可实现可靠采样。
  2. 功率承载:额定功率3W(25℃环境下)——支持持续大电流工作(如17.3A电流下功率为(100mΩ×(17.3A)^2≈3W)),可覆盖开关电源、电机驱动等典型高功率场景。
  3. 温度系数:±50ppm/℃——表示温度每变化1℃,阻值变化不超过(50×10^{-6}Ω),即100mΩ电阻在100℃温变下(如-40℃到60℃),阻值变化仅±0.05mΩ,大幅降低了环境温度对采样精度的影响。

三、封装与工艺优势

  1. 封装规格:采用2512贴片封装(英制尺寸:6.4mm×3.2mm),符合国际电子封装标准,适配自动化贴装生产线,可兼容常规SMT设备的焊接工艺(回流焊、波峰焊),提高生产效率。
  2. 工艺设计:大毅科技采用合金薄膜工艺,确保电阻值的一致性与长期稳定性;封装底部优化了散热焊盘,可有效将工作时产生的热量传导至PCB板,避免局部过热导致的参数漂移,保障3W功率下的可靠运行。

四、典型应用场景

RLP25FEGR100的性能匹配多领域电流检测需求,核心应用场景包括:

  1. 开关电源与适配器:用于PC电源、手机快充适配器的输出电流采样,实现过流保护与功率调节,低阻特性减少电源损耗。
  2. 电机驱动系统:BLDC无刷电机、伺服电机的电流闭环控制,实时检测绕组电流,防止过载损坏,宽温稳定性适应工业环境的温度波动。
  3. 电池管理系统(BMS):新能源汽车、储能电池的充放电电流检测,高精度与低阻特性确保电池工作在安全电流范围内,延长电池寿命。
  4. 工业自动化设备:PLC、变频器、机器人关节的电流监测,抗振动与宽温设计满足工业现场的恶劣环境要求。

五、可靠性与合规性

  1. 品质保障:RLP25FEGR100通过了严格的可靠性测试,包括负载寿命测试(1000小时@额定功率下阻值变化≤0.5%)、温度循环测试(-55℃125℃循环500次)、振动测试(102000Hz,加速度2g),确保长期稳定运行。
  2. 环保合规:符合RoHS 2.0、无卤素(Halogen-Free)标准,满足全球电子行业的环保要求,可用于出口产品。

该产品凭借精准的采样性能、可靠的功率承载能力及工业级稳定性,成为大毅科技被动元件产品线中针对电流检测场景的核心型号,广泛应用于消费电子、工业控制、新能源等领域。

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