WMSIC Electronic Components

TA-I Technology RMS04FT2492

ModelRMS04FT2492
Package0402
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
RMS04FT2492
Type
TA-I Technology
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RMS04FT2492
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
24.9kΩ
Electronic Component
10
Electronic Component
BM0264548246
Operating Temperature
55℃~+155℃
Operating Voltage
50V
Electronic Component
±100ppm/℃
Resistor Type
Resistor

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

RMS04FT2492 厚膜贴片电阻产品概述

RMS04FT2492是大毅科技推出的一款小功率高精度厚膜贴片电阻,采用0402封装,专为高密度、低功耗电子电路设计,兼顾稳定性与成本效益,广泛适配工业、消费电子、汽车电子等多领域应用需求。

一、产品核心身份与定位

该电阻属于厚膜贴片电阻系列,核心定位为小功率(62.5mW)、高精度(±1%)、宽温适应性的基础电子元件,主要用于电路中的分压、限流、信号调理等基础功能,解决高密度PCB布局下的小尺寸电阻需求,同时满足极端温度环境下的性能稳定。

二、关键参数详细解析

1. 阻值与精度

阻值标称24.9kΩ(对应电阻代码2492,即249×10²Ω),精度等级为**±1%**,属于工业级常规高精度标准,可满足多数电路对电阻值偏差的控制要求,避免因阻值误差导致的信号偏移或功率损耗异常。

2. 功率与电压规格

  • 额定功率:62.5mW(0.0625W),适用于低功耗电路设计,避免功率过载风险;
  • 工作电压:50V DC/AC,满足一般低压电路的电压承载需求,超出此电压需降额使用。

3. 温度特性

  • 温度系数(TCR):±100ppm/℃,即温度每变化1℃,阻值变化不超过0.01%,在宽温度范围内保持阻值稳定;
  • 工作温度范围:-55℃~+155℃,覆盖工业级宽温要求,可适应寒冷环境(如户外设备)、高温环境(如汽车发动机舱周边模块)等极端场景。

4. 材料与工艺

采用厚膜工艺制造,以陶瓷基板为载体,通过丝网印刷电阻浆料、烧结等工序形成电阻层,具有成本适中、稳定性好、抗机械应力能力强等特点,相比薄膜电阻成本更低,相比线绕电阻尺寸更小。

三、封装与物理特性

该电阻采用0402封装(英制尺寸:长0.04英寸×宽0.02英寸;公制尺寸:1005,即长1.0mm×宽0.5mm),是贴片电阻中尺寸较小的封装之一,优势如下:

  • 适配高密度PCB布局,可大幅提升电路集成度;
  • 表面贴装工艺兼容,支持自动化贴装生产,提高生产效率;
  • 无引线设计,减少寄生电感、电容等寄生参数,适合高频小信号电路应用。

四、品牌与可靠性保障

1. 品牌背景

大毅科技是国内专业的电子元器件制造商,专注于电阻、电容等被动元件的研发与生产,产品通过ISO9001、IATF16949等质量体系认证,在汽车电子、工业控制领域拥有稳定的客户群体。

2. 可靠性测试

RMS04FT2492经过多项可靠性测试验证,包括:

  • 高温存储测试(155℃/1000h):阻值变化率≤±0.5%;
  • 温度循环测试(-55℃~+155℃,500循环):阻值变化率≤±0.2%;
  • 湿热测试(85℃/85%RH/1000h):阻值变化率≤±0.3%;
  • 符合RoHS、REACH等环保标准,无铅无卤,适配绿色电子产品设计。

五、典型应用场景

RMS04FT2492因小尺寸、宽温稳定、高精度的特点,广泛应用于以下场景:

  1. 便携式电子:智能手机、智能手环、蓝牙耳机等设备的信号调理电路(如传感器分压、放大器偏置);
  2. 工业控制:PLC模块、传感器接口电路、小信号放大电路(如温度传感器的信号转换);
  3. 汽车电子:车载信息娱乐系统、车身控制模块(BCM)的低功耗电路(如按键检测、指示灯驱动);
  4. 消费电子:机顶盒、路由器、智能家电的电源滤波电路、分压电路(如电压检测回路)。

六、产品优势总结

  1. 小尺寸高密度:0402封装适配高密度PCB,提升电路集成度;
  2. 宽温稳定可靠:-55℃~+155℃宽温范围+±100ppm/℃ TCR,极端环境下性能稳定;
  3. 高精度适配:±1%精度满足多数电路的阻值控制需求;
  4. 成本效益优异:厚膜工艺平衡性能与成本,适合批量应用;
  5. 品牌保障:大毅科技的质量体系与可靠性测试,降低产品失效风险。

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