WMSIC Electronic Components

RALEC RTT06R040FTP

ModelRTT06R040FTP
Package1206
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 RTT06R040FTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Power
333mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT06R040FTP
Electronic Component
1
Package
1206
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
40mΩ
Electronic Component
1
Electronic Component
BM0264356029
Operating Temperature
55℃~+155℃
Operating Voltage
150V
Electronic Component
±1000ppm/℃
Resistor Type
Resistor

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

RALEC RTT06R040FTP 厚膜贴片电阻产品概述

RALEC(旺诠)作为专业电阻制造商,其RTT06R040FTP型号属于厚膜贴片电阻系列,以低阻值高精度、宽温可靠性和小封装易集成为核心特点,适配电流检测、电源管理等多场景需求。

一、产品基本信息

RTT06R040FTP为旺诠推出的1206封装厚膜贴片电阻,型号命名对应:

  • “RTT”为旺诠厚膜电阻系列代号;
  • “06R040”指向标称阻值40mΩ;
  • “FTP”标识1206封装+厚膜工艺。

该产品采用贴片式设计,支持SMT自动贴装,适合高密度PCB布局,是工业控制、汽车电子、消费电子等领域的常规选型。

二、核心参数详解

RTT06R040FTP的关键参数匹配应用场景需求,具体如下:

1. 阻值与精度

  • 标称阻值:40mΩ(毫欧级低阻),属于功率型低阻范畴;
  • 精度等级:±1%,满足电流检测的精准度(电流检测中,压降V=I×R,高精度R可降低I的计算误差)。

2. 功率与电压

  • 额定功率:333mW(0.333W),实际使用需遵循降额原则(建议不超过额定值的80%,即≤266mW);
  • 最大工作电压:150V,避免过压导致电阻击穿。

3. 温度特性

  • 温度系数(TCR):±1000ppm/℃,即温度每变化1℃,阻值变化±40μΩ(40mΩ×1000×10^-6),属于厚膜电阻常规稳定范围;
  • 工作温度范围:-55℃~+155℃,覆盖工业级(-40~+125℃)和汽车级需求,适应严苛环境温度变化。

三、封装与工艺特性

1. 1206封装优势

英制尺寸3.2mm×1.6mm(公制0805),具有以下特点:

  • 体积小:节省PCB空间,适配便携式设备或高密度电路;
  • 贴装兼容性:支持标准SMT回流焊、波峰焊工艺,生产效率高;
  • 散热性:贴片封装与PCB贴合紧密,利于功率耗散。

2. 厚膜工艺特点

采用钌基厚膜电阻技术(旺诠主流工艺),通过丝网印刷电阻浆料、高温烧结形成电阻膜,核心优势为:

  • 成本适中:比薄膜电阻成本低30%左右,性价比突出;
  • 稳定性好:电阻膜附着力强,抗机械应力和环境腐蚀能力优于线绕电阻;
  • 无电感特性:适合高频电路或电流检测场景(线绕电阻存在电感,影响高频性能)。

四、典型应用场景

RTT06R040FTP的参数特性使其在多领域得到广泛应用:

1. 电源管理与电流检测

  • 电池管理系统(BMS):检测电池充放电电流,40mΩ压降小(如1A电流对应40mV压降),不影响电池电压,高精度保证SOC(剩余电量)计算准确;
  • 快充充电器:监控输出电流防止过充,小封装适配充电器紧凑空间。

2. 工业与汽车电子

  • PLC(可编程逻辑控制器)/伺服驱动器:检测传感器或电机电流,宽温范围适应车间不同季节温度变化;
  • 车载充电器/电机控制器:符合汽车级温度要求(-40~+125℃),用于电动助力转向(EPS)等系统的电流检测。

3. 消费电子

  • 笔记本电脑电源/适配器:检测输出电流保护电池;
  • 智能手表充电模块:小封装适配穿戴设备轻薄设计。

五、性能优势与注意事项

1. 核心优势

  • 精准低阻:40mΩ±1%,满足电流检测的精度需求;
  • 宽温可靠:-55~+155℃,适应严苛环境;
  • 易集成:1206封装,支持高密度PCB设计;
  • 成本可控:厚膜工艺平衡性能与成本,比线绕电阻体积小、比薄膜电阻成本低。

2. 应用注意事项

  • 功率降额:实际功率不超过额定值的80%(≤266mW),避免过热导致阻值漂移;
  • 焊接工艺:回流焊峰值温度控制在240~260℃,时间≤10秒(参考旺诠推荐曲线);
  • 静电防护:贴片电阻对ESD敏感,操作时需佩戴防静电手环或使用防静电工具;
  • 存储条件:常温干燥环境(温度25±5℃,湿度≤60%),避免受潮影响端电极焊接性。

RTT06R040FTP作为旺诠厚膜电阻系列的典型产品,凭借其低阻高精度、宽温可靠性和小封装特性,成为电流检测、电源管理等场景的高性价比选型,适配多领域的量产需求。

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