WMSIC Electronic Components

TA-I Technology RMS04FT2002

ModelRMS04FT2002
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
RMS04FT2002
Type
TA-I Technology
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RMS04FT2002
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
20kΩ
Electronic Component
10
Electronic Component
BM0264936569
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.

RMS04FT2002 厚膜贴片电阻产品概述

一、产品基本信息

RMS04FT2002是大毅科技推出的一款小型化精密厚膜贴片电阻,属于其0402封装电阻系列的核心型号。该产品以20kΩ为额定阻值,搭配±1%精度等级,定位为工业级与消费电子领域的通用精密电阻,兼具成本优势与性能稳定性,适配高密度PCB布局及自动化贴装需求。

二、核心性能参数详解

该电阻的核心参数围绕“小型化、精密性、宽温适应性”设计,关键指标如下:

  • 阻值与精度:额定阻值20kΩ,精度±1%,满足信号分压、反馈回路等场景对阻值偏差的控制要求;
  • 功率与电压:额定功率62.5mW,最大工作电压50V。需注意电压-功率匹配限制:实际使用中需确保( P=V^2/R \leq 62.5mW ),即最大安全电压约35.4V(超过需降额);
  • 温度系数:±100ppm/℃,温度每变化1℃,阻值变化±2Ω,宽温范围内漂移可控;
  • 工作温度范围:-55℃~+155℃,覆盖工业户外、汽车辅助电路等常见温度场景。

三、封装与工艺特点

3.1 小型化封装

采用0402英制封装(公制1.0mm×0.5mm×0.4mm),体积仅为传统插件电阻的1/10,适配智能手机、路由器等高密度PCB设计,有效降低设备尺寸。

3.2 厚膜工艺优势

通过丝网印刷+高温烧结工艺制成厚膜电阻层,相比碳膜贴片电阻:

  • 精度更高(±1%优于碳膜±5%);
  • 温度稳定性更好(±100ppm/℃优于碳膜±200ppm/℃);
  • 抗老化、抗潮湿性能提升。

3.3 焊接兼容性

无铅银钯电极设计,兼容RoHS标准,支持回流焊/波峰焊自动化贴装,焊接后阻值变化率≤0.5%,满足量产一致性。

四、典型应用场景

结合参数特性,该电阻广泛应用于以下领域:

  • 消费电子:智能手机电源管理模块(分压电路)、音频信号调理电路(滤波电阻);
  • 工业控制:PLC输入输出模块(信号衰减电阻)、传感器接口电路(精密分压);
  • 汽车电子:仪表盘指示灯驱动电路、胎压监测辅助电阻(宽温适配舱内温度);
  • 通信设备:路由器信号滤波网络、以太网接口匹配电阻;
  • 医疗仪器:普通体温监测仪信号放大电路(精度满足基本检测需求)。

五、可靠性与环境适应性

产品通过多项可靠性测试,确保复杂环境稳定运行:

  • 温度循环:-55℃~+155℃循环1000次,阻值变化率≤1%;
  • 湿热测试:85℃/85%RH存储1000小时,阻值变化率≤2%;
  • 功率降额:遵循大毅降额曲线(125℃降额50%,155℃降额25%),长期寿命≥10000小时;
  • ESD防护:符合IEC 61000-4-2(接触放电±8kV,空气放电±15kV),抗静电能力强。

六、品牌与质量保障

大毅科技作为台湾老牌被动元器件厂商,具备完善质量体系:

  • 认证资质:ISO9001、IATF16949(汽车级)、RoHS/REACH;
  • 生产管控:每批次100%检测阻值精度,抽样测试温度系数与可靠性;
  • 售后支持:24小时内响应样品申请、技术咨询(如降额曲线、焊接参数)。

该产品平衡了小型化、精度与成本,是高密度电路设计中精密电阻的优选方案。

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