WMSIC Electronic Components

RALEC RTT024990FTH

ModelRTT024990FTH
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

13 specifications

Core information

Product name
RALEC RTT024990FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT024990FTH
Electronic Component
1
Package
0402
Electronic Component
0.009g
Electronic Component
10
Electronic Component
BM0265746247
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旺诠RTT024990FTH厚膜贴片电阻产品概述

一、产品基本定位与核心属性

RTT024990FTH是台湾旺诠(RALEC)推出的一款0402封装厚膜贴片电阻,属于其常规厚膜电阻系列的主力型号。该产品以「小型化、低成本、稳定可靠」为核心设计目标,适配低功耗、高密度布局的电子电路需求,阻值499Ω(±1%精度)是电子设计中常用的标准阻值(可替代500Ω近似需求),兼顾性能与成本平衡,适合批量应用场景。

二、关键参数与性能指标

RTT024990FTH的核心参数完全覆盖基础电子电路的常规需求,具体如下:

  1. 阻值与精度:标称阻值499Ω,精度±1%——满足信号分压、电流采样、滤波电路的匹配要求,无需额外高精度电阻的成本投入;
  2. 功率与电压:额定功率62.5mW(0.0625W),最大工作电压50V——符合0402封装的功率极限,适用于电池供电等低功耗场景,电压上限避免击穿风险;
  3. 温度特性:温度系数±100ppm/℃,工作温度范围-55℃~+155℃——厚膜电阻的典型温度稳定性,100℃变化下阻值波动仅±0.01Ω,可适配工业级极端环境;
  4. 封装尺寸:0402英制封装(公制1.0mm×0.5mm)——行业通用小型化封装,支持SMT自动化贴装,大幅提升生产效率,缩小PCB面积。

三、封装与工艺特点

  1. 厚膜工艺优势:采用陶瓷基底+丝网印刷电阻浆料烧结工艺,相比薄膜电阻成本降低30%以上,相比线绕电阻体积缩小60%,且耐湿性、抗腐蚀性优于线绕电阻;
  2. 0402封装适配性:是消费电子、工业控制领域应用最广泛的小型封装之一,支持高密度PCB布局(如智能手机单板可贴装数千颗);
  3. 抗氧化设计:表面涂覆抗氧化涂层,避免焊接氧化,长期使用阻值漂移率≤0.1%(1000小时加速老化测试)。

四、典型应用场景

RTT024990FTH的参数特性使其适配多领域低功耗电路,典型应用包括:

  1. 消费电子:智能手机/平板电脑的电源滤波(DC-DC转换辅助电阻)、音频信号分压;
  2. 工业控制:小型传感器模块(温度传感器信号放大)、PLC辅助控制电路;
  3. 汽车电子:车载仪表盘背光控制、胎压监测模块信号电阻(-55~155℃适配车载环境);
  4. 通信设备:小型基站射频匹配电阻、物联网模块电流采样。

五、可靠性与环保合规

  1. 可靠性测试:通过旺诠内部J-STD-020焊接可靠性、温度循环(-55~155℃×1000次)、湿度测试(85℃/85%RH×1000小时),符合行业标准;
  2. 环保合规:符合RoHS 2.0、REACH标准,无铅焊接兼容,适配全球市场环保要求;
  3. 降额建议:实际使用功率建议不超过额定值的50%,可将寿命延长至10万小时以上。

六、品牌与供货优势

RALEC旺诠是全球被动元件头部厂商,专注电阻研发30余年,产品覆盖苹果、华为、三星等供应链。RTT024990FTH作为常规型号,具有:

  • 稳定供货:年产能超10亿颗,可满足批量采购需求;
  • 品质一致:批次间阻值偏差≤0.5%,无参数漂移;
  • 技术支持:提供电路设计参数建议,降低客户研发成本。

该产品是小型化电子设备中「性能够用、成本可控」的优选电阻型号,可广泛替代同类0402封装厚膜电阻,适配多领域量产需求。

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