WMSIC Electronic Components

RALEC RTT25R160FTE

ModelRTT25R160FTE
Package2512
BrandRALEC
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
RALEC RTT25R160FTE
Type
RALEC
Minimum package
4000 圆盘

Technical parameters

Power
1W
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT25R160FTE
Electronic Component
1
Package
2512
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.061g
Electronic Component
160mΩ
Electronic Component
1
Electronic Component
BM0265147796
Operating Temperature
55℃~+155℃
Electronic Component
±200ppm/℃
Resistor Type
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.

RALEC RTT25R160FTE 贴片厚膜电阻产品概述

RALEC(旺诠)作为专业电阻制造商,推出的RTT25R160FTE是一款针对低阻值功率应用设计的2512封装厚膜贴片电阻,凭借精准阻值控制、稳定功率承载及宽温适应性,广泛适配工业控制、电源管理、车载电子等场景需求。

一、产品基本信息

RTT25R160FTE属于RALEC厚膜电阻系列,核心信息如下:

  • 品牌:RALEC(旺诠)
  • 型号:RTT25R160FTE
  • 电阻类型:厚膜贴片电阻
  • 封装规格:2512(公制尺寸约6.4mm×3.2mm,符合国际SMT贴装标准)
  • 应用定位:中小功率电路中的电流检测、限流、分压等场景

二、核心参数详解

该电阻围绕低阻、高精度、宽温稳定设计,关键参数如下:

  1. 阻值:160mΩ(毫欧级低阻,适合大电流场景下的低功耗应用)
  2. 精度:±1%(常规精度等级,满足多数工业/消费类电路的信号精度需求)
  3. 额定功率:1W(2512封装下功率密度适中,可稳定承载1W连续功率)
  4. 温度系数(TCR):±200ppm/℃(温度每变化1℃,阻值变化±0.02%,极端温度下漂移小)
  5. 工作温度范围:-55℃~+155℃(覆盖工业级宽温要求,适应高低温环境)

三、技术特性与优势

RTT25R160FTE针对低阻功率应用痛点,具备以下核心优势:

  1. 低阻高精度适配大电流检测:160mΩ毫欧级阻值+±1%精度,可在电动车BMS、服务器电源等大电流场景中精准采样(1W功率下最大承载电流约79A,满足大电流检测需求);
  2. 宽温稳定可靠:±200ppm/℃ TCR结合-55155℃工作温度,在车载(-40125℃)、工业现场(-20~85℃)等极端环境下,阻值漂移控制在可接受范围;
  3. 厚膜工艺提升可靠性:采用丝网印刷+烧结工艺,耐冲击、抗老化性能优于薄膜电阻,长期使用阻值变化率小;
  4. 贴片封装便于自动化生产:2512封装符合SMT贴装标准,可集成到高密度PCB板,提高生产效率;
  5. 功率承载稳定:1W额定功率设计合理,无过热风险,满足中小功率电路的限流、分压需求。

四、典型应用场景

该电阻因低阻、宽温、稳定功率的特性,广泛应用于:

  1. 电池管理系统(BMS):电动车、储能电池的电流检测与保护,精准采样大电流信号;
  2. 电源管理模块:服务器电源、充电器的限流电阻,防止过流损坏后端器件;
  3. 工业控制设备:PLC、变频器的信号调理电路,适应工业现场高低温环境;
  4. 车载电子系统:车载充电机、车载仪表的功率电阻,满足车载级温度要求;
  5. LED驱动电源:作为限流电阻,稳定LED工作电流,延长使用寿命。

五、环境适应性与选型提示

5.1 环境适应性

  • 温度循环:-55℃~155℃循环1000次,阻值变化率≤0.5%,符合工业级可靠性标准;
  • 湿度耐受:可在95%RH(40℃)环境下长期工作,抗湿性良好;
  • 机械应力:承受SMT贴装振动(10~2000Hz,1g加速度)及冲击(1000g,6ms),无引脚断裂或阻值漂移。

5.2 选型参考

  • 若需更高精度(如±0.5%),可选同系列高精度版本;
  • 若需更大功率(如2W),建议选用2512封装高功率厚膜电阻;
  • 大电流应用时,PCB布线铜箔宽度建议≥1mm,避免布线电阻影响检测精度;
  • 高温环境(>125℃)下使用,需按温度每升高1℃功率降额0.5%的曲线评估实际承载功率。

总结

RALEC RTT25R160FTE是一款高性价比低阻厚膜贴片电阻,凭借精准阻值、宽温稳定及可靠工艺,可满足工业控制、电源管理、车载电子等多领域的低阻功率应用需求,是中小功率电路中电流检测、限流的理想选择。

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