WMSIC Electronic Components

TA-I Technology RL25FENR330

ModelRL25FENR330
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
RL25FENR330
Type
TA-I Technology
Minimum package
4000 圆盘

Technical parameters

Power
1W
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RL25FENR330
Electronic Component
1
Package
2512
Electronic Component
Current Sense Resistor / Shunt
Electronic Component
±1%
Electronic Component
0.084g
Electronic Component
330mΩ
Electronic Component
1
Electronic Component
BM0264899863
Electronic Component
SMD
Electronic Component
±200ppm/℃
Resistor Type
Metal Film 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RL25FENR330电流采样电阻产品概述

一、产品定位与核心功能

RL25FENR330是大毅科技推出的贴片式高精度电流采样分流器,核心用于电子电路中的电流检测、反馈控制及过流保护场景。作为分流器类元件,其通过“欧姆定律压降法”实现电流测量——当电路电流流经电阻时,电阻两端产生与电流成正比的压降((V=I×R)),后端电路可通过检测该压降间接获取电流值,具有响应快、线性度好、成本低的特点,是电源管理、电机驱动等领域的基础核心元件。

二、关键参数与性能指标

该产品的核心参数完全匹配中低功率电流采样需求,具体如下:

  1. 阻值与精度:额定阻值330mΩ(毫欧级低阻),精度±1%——低阻设计可降低采样压降对主电路的干扰,±1%精度满足多数工业/消费电子的电流检测误差要求(如电源输出电流精度控制在1%以内);
  2. 功率特性:额定功率1W,峰值功率可达2~3W(大毅同系列电阻典型值)——支持短时间过流场景(如电机启动瞬间的峰值电流),避免因瞬态功率过载损坏;
  3. 温度系数:±200ppm/℃——表示温度每变化1℃,阻值变化百万分之200;若工作温度变化100℃,阻值变化仅0.02%,可保证宽温环境下采样精度稳定;
  4. 工作温度范围:-55℃~155℃(大毅2512封装电阻通用范围)——覆盖工业现场、汽车电子(部分低温场景)及消费电子的环境需求。

三、封装与安装特性

RL25FENR330采用2512贴片封装(英制尺寸:6.4mm×3.2mm,公制:6.35mm×3.18mm),具备以下安装优势:

  1. 自动化适配:符合SMT(表面贴装技术)标准,可直接通过回流焊、波峰焊完成批量生产,无需手工焊接,提升产线效率;
  2. 空间优化:小尺寸设计适合高密度PCB布局(如手机充电器、小型电源模块),有效节省电路空间;
  3. 焊接可靠性:封装引脚与PCB焊盘兼容性好,焊接后抗脱落、抗振动性能优异(符合IEC 60068-2-6振动测试标准)。

四、典型应用场景

该产品因参数均衡,广泛应用于以下领域:

  1. 电源管理模块:开关电源、线性电源的输出电流检测(如笔记本电脑适配器、LED驱动电源)——当输出电流异常时,通过采样压降触发保护电路;
  2. 电池管理系统(BMS):储能电池、电动车电池的充放电电流监控——330mΩ低阻可减少电池损耗,±1%精度保证充放电电流的精准控制;
  3. 电机驱动电路:无刷电机、伺服电机的电流反馈控制(如智能家居电机、工业机器人关节电机)——实时检测电机电流,优化扭矩输出及过载保护;
  4. 消费电子终端:手机充电器、移动电源的过流保护——当充电电流超过额定值时,采样压降触发IC切断输出,避免设备损坏;
  5. 工业控制设备:PLC(可编程逻辑控制器)、变频器的电流监测——宽温特性适应工业现场的温度变化。

五、可靠性与环境适应性

大毅科技对该产品的可靠性设计严格,满足多项行业标准:

  1. 环境耐受性:通过-55℃~155℃高低温循环测试(1000小时),阻值变化≤0.5%;抗湿度测试(85℃/85%RH,1000小时)阻值变化≤0.3%;
  2. 机械稳定性:符合IEC 60068-2-27冲击测试(100g,11ms)及振动测试(10~2000Hz,1g),可适应运输及现场振动环境;
  3. 长期稳定性:1W额定功率下持续工作1000小时,阻值漂移≤0.2%,保证电路长期可靠运行。

六、选型价值与优势

选择RL25FENR330的核心价值在于:

  1. 性能与成本平衡:主流品牌(大毅科技)提供稳定质量,参数覆盖80%以上中低电流采样需求,性价比优于进口高端品牌;
  2. 供货与兼容性:大毅的量产能力稳定,2512封装为行业通用规格,可直接替换同类竞品,无需修改PCB设计;
  3. 应用灵活性:低阻+宽温+小封装的组合,适配从消费电子到工业控制的多场景需求,减少选型种类;
  4. 品牌保障:大毅科技在被动元件领域深耕多年,产品通过RoHS、REACH等环保认证,符合全球市场准入要求。

该产品凭借均衡的性能、可靠的质量及广泛的适配性,成为中低功率电流采样场景的主流选择之一。

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