WMSIC Electronic Components

TA-I RL10FTNR160

ModelRL10FTNR160
Package0805
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
RL10FTNR160
Type
TA-I Technology
Minimum package
5000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RL10FTNR160
Electronic Component
1
Package
0805
Electronic Component
Current Sense Resistor / Shunt
Electronic Component
±1%
Electronic Component
0.019g
Electronic Component
160mΩ
Electronic Component
1
Electronic Component
BM0265427450
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RL10FTNR160电流采样电阻产品概述

一、产品核心定位与身份

RL10FTNR160是大毅科技推出的一款贴片式电流采样电阻(分流器),核心作用是通过电阻压降((V=IR))将电流信号转化为电压信号,供MCU、放大器等电路采集分析,实现过流保护、电流监控等功能。其0805封装适配小型化、高密度PCB布局,是消费电子、智能穿戴、小型电源等领域的常规选型。

二、关键电气参数深度解析

该电阻的参数直接决定应用适配性,具体解析如下:

  1. 阻值与精度:160mΩ±1%
    160毫欧属于低阻范围,压降极小(如39A电流下仅约6.24mV),不会干扰原电路工作;±1%精度满足多数常规场景(如电池充放电、电源输出监测),无需额外校准即可可靠采样。
  2. 功率额定值:250mW(0.25W)
    由公式(I=\sqrt{P/R})计算,最大持续工作电流约39.5A(实际需留10%-20%余量,建议≤35A),适配中等电流场景(如小型电源输出、电池组充放电)。
  3. 温度系数(TCR):±200ppm/℃
    表示每升高1℃,阻值变化±0.02%。以常规宽温范围(-55℃~125℃)为例,最大阻值变化约±2%,保证工业现场、车载低温等环境下采样精度稳定。

三、封装与物理特性

  1. 封装类型:0805(英制,对应公制2012)
    尺寸为(2.0mm×1.2mm×0.5mm)(典型值),占用PCB面积极小,适合智能手机、智能手表等便携设备的高密度布局;贴片式无引脚设计,可通过SMT自动化焊接,生产效率高。
  2. 可靠性设计:
    电阻本体采用锰铜/康铜合金(常规电流采样电阻主流材料),耐腐蚀性与稳定性良好;表面贴装方式抗振动性能优于直插电阻,适配车载辅助电路、手持设备等振动敏感场景。

四、典型应用场景

RL10FTNR160的参数与封装特性,使其适配以下主流场景:

  1. 消费电子:智能手机、平板电脑的电池管理系统(BMS)充放电电流检测,避免过充过放;
  2. 智能穿戴:智能手表、手环的心率传感器电流监测、电池电量计算;
  3. 小型电源:开关电源、DC-DC转换器的输出电流采样,实现过流保护与稳压控制;
  4. 工业控制:小型PLC、传感器模块的信号电流检测,满足工业级温度与精度需求;
  5. 低功耗车载:车载充电器、辅助电子设备的电流监测(需确认温度范围匹配)。

五、选型与使用注意事项

  1. 精度匹配:若需更高精度(如±0.1%),需选择大毅RL15系列;RL10FTNR160的±1%已覆盖90%以上常规场景;
  2. 功率余量:实际工作功率需低于250mW,避免过载导致电阻老化或失效;
  3. 焊接规范:回流焊峰值温度建议≤245℃,焊接时间≤30s,避免热应力损坏;
  4. 布局优化:采样电阻应靠近电流路径,减少PCB走线电阻影响;高精度场景可采用Kelvin四线制连接,降低接触电阻误差。

六、产品优势总结

  • 小型化适配:0805封装适合高密度PCB设计;
  • 性能稳定:±200ppm/℃ TCR保证宽温精度;
  • 成本可控:常规精度与功率满足多数场景,无需额外成本;
  • 可靠性高:贴片封装抗振动,合金材料耐老化。

该产品综合性能均衡,是小尺寸、中等电流采样场景的高性价比选择。

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