WMSIC Electronic Components

TA-I Technology RLS06FTSR010

ModelRLS06FTSR010
Package0603
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
RLS06FTSR010
Type
TA-I Technology
Minimum package
5000 圆盘

Technical parameters

Power
500mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RLS06FTSR010
Electronic Component
1
Package
0603
Electronic Component
Current Sense Resistor / Shunt
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
10mΩ
Electronic Component
1
Electronic Component
BM0265427468
Electronic Component
±50ppm/℃
Resistor Type
Resistor
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RLS06FTSR010合金电阻产品概述

一、产品核心身份与封装规格

大毅科技RLS06FTSR010是一款低阻值精密合金电阻,型号命名直接体现核心特征:

  • "RLS"为大毅合金电阻系列代号,聚焦电流检测场景;
  • "06"对应英制0603封装(尺寸约1.6mm×0.8mm×0.45mm),适配小型化电路设计;
  • "FTS"代表采用锰铜合金作为电阻体(锰铜合金因低温度系数、高稳定性成为电流采样类电阻的主流材料);
  • "R010"明确阻值为10mΩ(0.01Ω),是典型的低阻值分流电阻。

二、关键电性能参数解析

该电阻的参数针对电流检测场景优化,核心指标清晰:

  1. 阻值与精度:10mΩ±1%——比普通碳膜/金属膜电阻(±5%)精度高一个数量级,满足精密电流采样需求;
  2. 功率等级:500mW(0.5W)——0603封装下的高功率密度设计,可承受较大电流(额定电流约7.07A,计算方式:(I=\sqrt{P/R}=\sqrt{0.5/0.01}));
  3. 温度系数(TCR):±50ppm/℃——温度每变化1℃,阻值变化仅±50×10⁻⁶,例如25℃→100℃时,阻值变化量约0.00375Ω,相对变化仅0.0375%,宽温环境下性能稳定;
  4. 附加参数:工作温度范围-55℃~125℃,额定电压约71mV((V=\sqrt{P×R})),符合工业级/汽车级应用的温宽要求。

三、合金电阻的材料与性能优势

相比碳膜、金属膜电阻,RLS06FTSR010采用锰铜合金电阻体,具备以下核心优势:

  • 低温度漂移:±50ppm/℃的TCR远低于碳膜电阻(通常±200ppm/℃以上),避免温变导致的电流采样误差;
  • 高功率密度:0603封装实现500mW功率,是同封装碳膜电阻(1/16W=62.5mW)的8倍,适配小体积大功率电路;
  • 长期稳定性:锰铜合金抗电迁移、抗氧化能力强,室温1000小时存储阻值漂移≤±0.1%;
  • 低噪声:电流噪声系数约0.1μV/√Hz,远低于薄膜电阻,适合模拟信号调理电路。

四、典型应用场景

RLS06FTSR010因低阻值、高精度、高稳定性,广泛用于以下场景:

  1. 电源电路电流检测:开关电源、DC-DC转换器的输出电流采样,实现过流保护与电压反馈控制;
  2. 电池管理系统(BMS):锂电池组充放电电流监测,精准计算SOC(荷电状态)与SOH(健康状态);
  3. 电机驱动:BLDC电机、伺服电机的电流反馈,提升转矩控制精度;
  4. 汽车电子:车载充电器(OBC)、车载电源的电流检测,适配-40℃~85℃的车载温宽;
  5. 工业控制:PLC、变频器的电流监测电路,满足工业环境的可靠性要求。

五、可靠性与环境适应性

大毅科技对该电阻进行了严格可靠性测试,满足行业标准:

  • 耐湿性:85℃/85%RH环境下1000小时,阻值变化≤±0.5%;
  • 热冲击:-55℃~125℃循环500次,阻值变化≤±0.3%;
  • 抗振动:10~2000Hz振动(加速度2g),阻值变化≤±0.2%;
  • 焊接兼容性:符合J-STD-020回流焊标准,手工焊需控制烙铁温度≤350℃(焊接时间≤3秒),避免过热损坏。

六、选型与使用注意事项

  1. 封装匹配:PCB焊盘需为1.6mm×0.8mm(与0603封装一致),避免焊盘过大导致散热不均;
  2. 散热设计:因电流较大(最大7A左右),需在电阻焊盘周围增加铜箔面积(建议≥10mm²),提升散热效率;
  3. 精度测量:使用四位半以上高精度万用表测量,需短接表笔校准,避免接触电阻影响;
  4. 环境防护:避免在腐蚀性气体(如H2S、Cl2)环境中使用,如需应用需加涂三防漆防护。

该电阻平衡了小体积、高精度与高功率密度,是电流检测类电路的高性价比选择。

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