WMSIC Electronic Components

RALEC RTT026041FTH

ModelRTT026041FTH
Package0402
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 26+

Available for RFQ

Technical data

Product details

14 specifications

Core information

Product name
RALEC RTT026041FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT026041FTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
0.009g
Electronic Component
10
Electronic Component
BM0265746254
Electronic Component
Electronic Component
Electronic Component
10000

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

RALEC RTT026041FTH 厚膜贴片电阻产品概述

一、产品基础信息与定位

RALEC(旺诠)推出的RTT026041FTH是一款0402封装的厚膜高精度小功率贴片电阻,专为高密度电路设计,兼顾性能稳定性与成本效益,覆盖工业控制、消费电子、通信设备等多领域应用需求。作为旺诠常规厚膜电阻系列的核心产品,该型号以精准阻值控制、宽温适应性为核心优势,适配低功耗场景下的信号调理、分压、偏置等关键功能。

二、核心参数深度解析

1. 阻值与精度

产品固定阻值为6.04kΩ,精度等级为**±1%**——在25℃标准温度下,实际阻值范围为5.9796kΩ~6.1004kΩ,无需额外校准即可满足多数模拟电路对阻值偏差的要求(如传感器信号放大、音频电平调节等)。

2. 功率与电压规格

额定功率为62.5mW,最大工作电压为50V,适配低功耗电路的功率需求;实际应用中建议遵循“功率降额原则”(实际功率不超过额定值的80%),可有效延长产品寿命并提升可靠性。

3. 温度特性

温度系数(TCR)为**±100ppm/℃**,意味着温度每变化1℃,阻值变化约0.01%。以典型工业环境(-40℃~+85℃)为例,阻值总变化量约±0.125%,对信号精度影响极小,适合宽温场景使用。

4. 封装与尺寸

采用0402英制封装(公制约1.0mm×0.5mm×0.5mm),体积小巧,可显著提升PCB布局密度,适配智能手机、小型通信模块等对空间要求严苛的产品。

三、工艺与设计亮点

1. 厚膜工艺核心优势

采用厚膜丝网印刷技术,通过高精度网版控制RuO₂基电阻浆料的厚度与图案,确保阻值一致性与长期稳定性;厚膜结构相比薄膜电阻更抗机械应力,适合振动环境(如车载设备)。

2. 端电极可靠性设计

端电极采用Ni/Cu/Sn三层镀层:底层Ni增强附着力,中间Cu提升导电性能,表层Sn适配无铅焊接(符合RoHS标准),焊接时形成稳定的金属间化合物,减少虚焊、脱焊风险,耐老化性能优于单层镀层产品。

3. 阻值稳定性控制

通过浆料配方优化与烧结工艺参数(温度、时间)精准控制,使产品在全工作温度范围内阻值漂移极小,满足工业级设备的长期可靠性要求。

四、典型应用场景

1. 消费电子领域

  • 智能手机/平板电脑:音频电路分压、触摸传感器偏置电阻;
  • 可穿戴设备:心率传感器信号调理、低功耗MCU外围电路。

2. 工业控制领域

  • 小型PLC:模拟量输入模块的信号衰减电阻;
  • 传感器节点:温度/压力传感器的信号放大偏置电阻(适配-40℃~+85℃工业环境)。

3. 通信设备领域

  • 小型基站:射频前端滤波电路偏置电阻;
  • 路由器/交换机:以太网接口信号匹配电阻。

4. 汽车电子领域(部分场景)

  • 车载中控小模块:空调控制电路分压电阻(适配-40℃~+125℃车载环境)。

五、可靠性与环境适应性

1. 宽温工作范围

支持**-55℃+155℃**工作温度,覆盖商业级(070℃)、工业级(-40℃+85℃)及部分汽车级(-40℃+125℃)场景,可用于高温烤箱、极地监测设备等极端环境。

2. 抗恶劣环境能力

  • 抗湿性:符合IEC 60068-2-67湿热试验要求,在95%RH、40℃环境下持续1000小时仍保持性能稳定;
  • 抗振动:通过IEC 60068-2-6振动试验(10~2000Hz,加速度2g),适合车载、手持设备等振动场景。

3. 长期稳定性

产品经老化测试后,阻值漂移率≤0.5%(1000小时,125℃),满足工业设备5~10年的使用寿命要求。

六、选型与应用注意事项

  1. 功率降额:实际工作功率建议不超过50mW(额定值的80%),避免过热导致阻值漂移;
  2. 焊接工艺:遵循无铅回流焊温度曲线(峰值230~245℃,时间≤10秒),避免高温损坏电阻;
  3. 存储条件:存储于-10℃~+40℃、湿度≤60%环境,开封后12个月内使用完毕,防止端电极氧化;
  4. 替代选型:如需更高精度(±0.1%)或更大功率,可参考旺诠同系列RTT03(0603封装)或RTT04(0805封装)产品。

该产品凭借精准参数、可靠工艺与宽适配性,成为高密度低功耗电路的优选电阻之一,适合对空间、精度与稳定性有综合要求的设计场景。

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