WMSIC Electronic Components

TA-I Technology RL13FTNR300

ModelRL13FTNR300
Package1210
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
RL13FTNR300
Type
TA-I Technology
Minimum package
5000 圆盘

Technical parameters

Power
500mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RL13FTNR300
Electronic Component
1
Package
1210
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.034g
Electronic Component
300mΩ
Electronic Component
1
Electronic Component
BM0265676258
Operating Temperature
55℃~+155℃
Electronic Component
±200ppm/℃
Electronic Component
Electronic Component
Electronic Component
5000

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RL13FTNR300精密功率电阻产品概述

一、核心参数解析

大毅科技RL13FTNR300是一款低阻值精密功率电阻,核心参数聚焦于“小阻值、高精度、宽温稳、小封装大功率”的平衡设计:

  • 阻值与精度:300毫欧(mΩ)低阻值,搭配±1%精度——在功率电阻品类中,该精度处于中高端水平,可满足电流检测、信号调理等场景对阻值一致性的要求;
  • 功率能力:额定功率500mW(半瓦),1210封装下实现较高功率密度(常规1210封装电阻典型功率为250mW,该产品提升一倍);
  • 温度稳定性:温度系数±200ppm/℃——表示温度每变化1℃,阻值变化约0.02%;若环境温度变化100℃,阻值偏差不超过±2%,宽温下性能稳定;
  • 工作温度范围:-55℃~+155℃,覆盖工业级应用的极端环境(如低温户外、高温电源模块内部),无需额外降额设计。

二、封装与结构特点

该产品采用1210英制贴片封装(对应公制3225,长3.2mm×宽2.5mm),符合国际电子封装标准,适配自动化贴片生产:

  • 电阻体工艺:采用大毅特有的金属膜/合金箔工艺(结合RL系列特性,优先为金属膜设计),确保阻值均匀性与长期稳定性;
  • 电极结构:电极采用镍/锡双层镀层,焊接兼容性强(兼容回流焊、波峰焊),且长期接触可靠性高;
  • 散热优化:通过电阻体与封装材料的热匹配设计,提升1210封装的散热效率,支撑500mW额定功率的稳定输出。

三、典型应用场景

低阻值、高精度、宽温稳的特性,使RL13FTNR300适用于多类电子设备:

  1. 电源电路电流检测:作为电流采样电阻,用于开关电源、线性电源的过流保护、输出电流监测(低阻值降低功耗,避免影响主回路);
  2. 电池管理系统(BMS):在电动车、储能电池组中,采集单体/组的充放电电流,配合MCU实现安全控制;
  3. 工业控制与自动化:PLC、伺服驱动器等设备的信号调理电路(电流转电压)、负载电流监测;
  4. 消费电子:笔记本电脑、快充充电器等设备的电源回路,实现过流保护与电流检测;
  5. 户外/车载场景:若配合汽车级认证(需确认具体型号),可用于车载电源、传感器电路(宽温特性适配汽车环境)。

四、性能优势对比

相比同类1210封装功率电阻,RL13FTNR300的核心优势:

对比维度 RL13FTNR300 常规1210电阻 额定功率 500mW 250mW 阻值精度 ±1% ±2%~±5% 温度系数 ±200ppm/℃ ±300ppm/℃~±500ppm/℃ 工作温度范围 -55~+155℃ -40~+125℃

此外,大毅科技的品牌可靠性(通过RoHS 2.0、REACH环保认证),使产品长期使用阻值漂移率低于行业平均水平。

五、可靠性与环境适应性

该产品经过严格可靠性测试,适配复杂应用场景:

  • 温度循环测试:-55℃~+155℃循环1000次后,阻值变化率≤±1%;
  • 负载寿命测试:85℃环境下额定功率工作1000小时,阻值变化≤±1.5%;
  • 环境抗性:可承受相对湿度95%、振动(10Hz~2000Hz)、冲击(1000m/s²)等测试,适合户外或振动场景;
  • 环保合规:无铅无卤,符合全球市场准入要求。

综上,大毅科技RL13FTNR300是一款兼顾“高精度、大功率、宽温稳”的贴片功率电阻,适合工业控制、电源、BMS等对性能要求较高的场景,是高密度PCB设计的理想选择。

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