WMSIC Electronic Components

TA-I RMS04JT682

ModelRMS04JT682
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
RMS04JT682
Type
TA-I Technology
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RMS04JT682
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.009g
Electronic Component
6.8kΩ
Electronic Component
50
Electronic Component
BM0264800750
Operating Temperature
55℃~+155℃
Operating Voltage
50V
Electronic Component
±200ppm/℃
Resistor Type
Resistor

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

RMS04JT682厚膜电阻器产品概述

RMS04JT682是大毅科技推出的一款0402封装厚膜电阻器,针对小型化、低功率电子设备的信号调理、偏置电路等场景优化设计,兼顾电气性能稳定性与成本优势,广泛适配消费电子、工业控制等多领域应用。

一、产品基本信息

该电阻属于大毅科技常规厚膜电阻系列,型号命名遵循行业通用规则:

  • RMS:系列标识(厚膜电阻通用量产系列);
  • 04:封装尺寸(0402,英制04×02英寸,公制1.0×0.5mm);
  • JT:精度与功率组合(对应±5%精度、62.5mW额定功率);
  • 682:阻值代码(68×10²=6.8kΩ)。

产品采用表面贴装工艺,端电极兼容无铅焊接,符合RoHS 2.0环保标准,支持自动化批量生产。

二、核心性能参数解析

1. 阻值与精度

标称阻值为6.8kΩ,精度±5%,满足大多数通用电路的阻抗匹配、分压、限流需求——无需更高精度(如±1%)的场景下,可有效控制BOM成本。

2. 功率与电压额定值

  • 额定功率:62.5mW(0.0625W),为0402封装厚膜电阻的常规功率等级;
  • 工作电压:50V(直流/交流峰值),实际使用需满足「功率不超额定值」原则(如50V下电流≈7.35mA,对应功率≈36.7mW,安全余量充足)。

3. 温度特性

温度系数(TCR)为**±200ppm/℃**,即每变化1℃,阻值变化约±0.02%。对于厚膜电阻而言,该TCR属于中等水平,可满足-55℃~+155℃范围内的性能稳定要求。

4. 工作温度范围

宽温设计:-55℃~+155℃,覆盖工业级、汽车辅助系统的温度需求,避免低温漂移或高温降额过大问题。

三、设计特点与优势

1. 小体积适配高密度布局

0402封装体积仅1.0×0.5mm,是智能手机、智能穿戴等小型设备的主流封装,可显著提升PCB布局密度,缩小设备尺寸。

2. 厚膜工艺兼顾性能与成本

采用厚膜印刷工艺制备电阻层,相比薄膜电阻成本更低,同时具备耐冲击、抗老化的稳定性;端电极采用多层镍/锡结构,提升焊接可靠性,减少虚焊风险。

3. 可靠性验证充分

大毅科技对该产品完成多项可靠性测试:

  • 高温存储(155℃×1000h):阻值变化率≤±1%;
  • 温度循环(-55℃~+155℃×1000次):阻值变化率≤±1%;
  • 焊接耐热(260℃×10s):端电极无脱落、电阻层无开裂。

4. 批量一致性好

批量生产中阻值分布均匀,符合正态分布特性,可降低电路调试难度,提升量产良率。

四、典型应用场景

1. 消费电子领域

  • 智能手机/平板:音频前置放大偏置、射频前端小信号匹配;
  • 智能穿戴:心率传感器偏置电阻、计步模块信号调理;
  • 智能家居:温控器、智能插座的信号分压电路。

2. 工业控制领域

  • 传感器接口:温度、压力传感器的信号放大偏置;
  • 小型PLC:输入输出模块的限流保护;
  • 工业电源:低功率辅助电源的分压检测。

3. 汽车电子辅助系统

  • 车载娱乐:中控屏按键背光驱动限流;
  • 车身控制:雨量传感器信号调理(需确认功率匹配)。

4. 医疗设备

  • 小型监护仪:心率、血氧模块的信号处理;
  • 便携式医疗设备:血糖测试仪校准电路。

五、品牌与环保合规

大毅科技作为台湾地区知名被动元件制造商,拥有30余年电阻研发生产经验,产品覆盖厚膜、薄膜、功率电阻全系列,广泛应用于全球电子产业。
RMS04JT682符合以下标准:

  • RoHS 2.0(无铅、无镉等有害物质);
  • REACH(SVHC高关注物质合规);
  • IEC 60115-1(电子设备固定电阻器标准)。

该产品凭借小体积、宽温稳定、成本优势,成为0402封装6.8kΩ厚膜电阻的高性价比选择,适配多领域低功率电路需求。

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