WMSIC Electronic Components

TA-I RMS04FT4302

ModelRMS04FT4302
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
RMS04FT4302
Type
TA-I Technology
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RMS04FT4302
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
43kΩ
Electronic Component
10
Electronic Component
BM0264548260
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.

RMS04FT4302厚膜贴片电阻产品概述

RMS04FT4302是大毅科技推出的一款小体积、高可靠性厚膜贴片电阻,采用0402(1005公制)封装,专为高密度、低功耗电路设计,兼顾精密性与宽温适应性,广泛适用于消费电子、工业控制、医疗设备等领域。

一、产品基本定位

该电阻属于厚膜贴片电阻系列,核心定位为小型化精密电路的基础元件,针对PCB布局紧凑、功耗受限但对阻值精度和温度稳定性有要求的场景优化设计。其0402封装体积仅1.0mm×0.5mm,可有效减少电路占位面积,提升产品集成度;同时62.5mW额定功率、±1%精度等参数,平衡了性能与成本,适合批量应用。

二、核心性能参数及应用价值

1. 阻值与精度

阻值规格为43kΩ±1%,精度达工业级精密要求。该参数可满足信号调理(如音频滤波、射频分压)、电压基准电路等场景,避免因阻值偏差导致的信号失真或控制精度下降。例如在便携式医疗设备的血压计信号放大电路中,±1%精度可确保输出信号与实际测量值的一致性。

2. 功率与工作电压

额定功率为62.5mW(0.0625W),最大工作电压50V,适配低功耗电路设计。该功率规格常见于可穿戴设备、传感器接口等低电流场景,实际使用中建议采用70%80%降额(如43.75mW50mW),可进一步提升长期可靠性。

3. 温度系数与宽温范围

温度系数为**±100ppm/℃,工作温度范围覆盖-55℃~+155℃**。±100ppm/℃意味着每变化1℃,阻值仅变化0.01%(43kΩ仅变化0.43Ω),即使在工业环境的极端温度波动下(如155℃高温),阻值变化率仍控制在0.2%以内,保证电路性能稳定。宽温范围则适配汽车电子(部分车载传感器)、户外工业设备等场景。

4. 封装尺寸

采用0402封装(英制尺寸:0.04英寸×0.02英寸,公制1005),体积小巧,兼容主流SMT贴装工艺(回流焊、波峰焊),适合高密度PCB设计(如智能手机主板、小型PLC模块)。

三、工艺与可靠性特点

RMS04FT4302采用厚膜丝网印刷+高温烧结工艺,厚膜层均匀性好,阻值一致性高;终端采用镍锡电镀,焊接附着力强,耐湿热老化,符合RoHS、REACH等环保标准。此外,大毅科技的批量生产管控体系确保每批次产品的精度偏差、温度系数均在规格范围内,减少客户筛选成本。

四、典型应用场景

  1. 消费电子:智能手机、平板的音频信号调理、射频前端分压电路;
  2. 工业控制:小型PLC、温度传感器模块的信号放大与滤波;
  3. 医疗设备:便携式血糖仪、血压计的电源分压、信号采集电路;
  4. 可穿戴设备:智能手环、手表的低功耗电源管理电路;
  5. 汽车电子:车载胎压监测、座椅传感器的辅助信号电路(适配部分宽温要求)。

五、质量保障与选型建议

大毅科技作为专业电子元器件制造商,RMS04FT4302系列产品通过了多项可靠性测试(如高低温冲击、湿热老化、焊接可靠性),批量一致性稳定。选型时需注意:

  • 实际功率需降额使用,避免超过62.5mW额定值;
  • 若应用场景温度超过155℃或精度要求更高(如±0.1%),需选择其他系列产品;
  • 0402封装适合小型化设计,若需更大功率(如1/8W),需切换至0603及以上封装。

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