WMSIC Electronic Components

TA-I RMS06FT4703

ModelRMS06FT4703
Package0603
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
RMS06FT4703
Type
TA-I Technology
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RMS06FT4703
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.025g
Electronic Component
470kΩ
Electronic Component
1
Electronic Component
BM0264548253
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.

RMS06FT4703 厚膜贴片电阻产品概述

一、产品基本属性

RMS06FT4703是大毅科技(Ralec) 推出的厚膜贴片电阻,属于0603封装系列的高精度常规功率型号。该产品采用厚膜丝网印刷工艺制造,通过陶瓷基底上的电阻浆料烧结形成电阻层,兼具小型化、高可靠性与成本优势,是电子电路中分压、限流、滤波等场景的常用被动元件。

型号命名逻辑清晰:

  • RMS:大毅厚膜贴片电阻系列代号;
  • 06:英制封装尺寸代码(对应公制1608,即1.6mm×0.8mm);
  • FT:精度等级标识(代表±1%精度);
  • 4703:阻值编码(前三位470,第四位3代表×10³,即470×10³Ω=470kΩ)。

二、关键性能参数解析

该型号核心参数覆盖常规应用的核心需求,具体如下:

1. 阻值与精度

  • 标称阻值:470kΩ;
  • 精度等级:±1%(满足工业级、消费电子对阻值一致性的要求,无需额外校准即可实现稳定电路性能)。

2. 功率与电压

  • 额定功率:100mW(0603封装的典型功率等级,适用于低功耗电路);
  • 最大工作电压:50V(从功率公式P=U²/R计算,470kΩ电阻在50V下的实际功率仅约5.3mW,远低于额定功率,电压降额空间充足)。

3. 温度特性

  • 温度系数(TCR):±100ppm/℃(表示每变化1℃,阻值变化百万分之一;例如温度从-55℃升至155℃,阻值变化范围约为470kΩ±9.4kΩ,宽温环境下性能稳定);
  • 工作温度范围:-55℃~+155℃(覆盖工业级环境温度,可用于户外设备、高温车间等场景)。

三、封装与可靠性设计

1. 0603封装优势

  • 尺寸:1.6mm(长)×0.8mm(宽)×0.45mm(厚,典型值),适合高密度PCB布局(如智能手机、小型通信模块);
  • 焊接兼容性:支持回流焊、波峰焊(符合无铅焊接要求,RoHS认证),焊接后机械强度高,抗振动性能满足IEC 60068-2-6标准(振动频率10~2000Hz,加速度2g)。

2. 厚膜工艺可靠性

  • 电阻膜附着力:陶瓷基底与电阻浆料结合紧密,抗机械冲击性能优异;
  • 耐湿性能:经过240小时湿热测试(60℃/95%RH)后,阻值变化率≤±0.5%,满足潮湿环境应用需求;
  • 长期稳定性:额定功率下连续工作1000小时,阻值变化率≤±0.2%,适合长期运行的工业设备。

四、典型应用场景

RMS06FT4703因小型化、高精度与宽温特性,广泛应用于以下领域:

1. 消费电子

  • 智能手机/平板:音频电路分压电阻、触控屏信号滤波电阻;
  • 智能穿戴:手环/手表的电源反馈回路、传感器偏置电阻。

2. 工业控制

  • PLC模拟量输入模块:参考电阻(保证模拟信号采样精度);
  • 电机驱动电路:限流电阻(保护功率器件)。

3. 通信设备

  • 路由器/交换机:电源电压监测电阻、信号衰减电阻;
  • 无线模块:射频前端滤波分压电阻。

4. 汽车电子(边缘场景)

  • 车载显示屏背光控制:分压电阻(调节背光亮度);
  • 传感器接口:温度传感器信号调理电阻(宽温特性适配车载环境)。

五、应用注意事项

为保证产品性能与可靠性,应用时需注意以下几点:

1. 功率与电压降额

  • 实际功率建议不超过额定值的80%(即≤80mW),避免长期过热导致阻值漂移;
  • 瞬态电压峰值建议不超过40V(预留安全裕量,防止过压损坏)。

2. 焊接工艺规范

  • 回流焊温度曲线:峰值温度245℃±5℃,时间≤10秒;
  • 波峰焊温度:焊接温度250℃±5℃,时间≤3秒;
  • 禁止手工焊接(易导致温度不均,损坏电阻膜)。

3. 静电防护

  • 操作时需佩戴防静电手环,使用防静电镊子与工作台;
  • 存储时采用防静电包装(防潮、防静电气泡袋),避免静电击穿电阻膜。

该产品凭借成熟的厚膜工艺与稳定的性能表现,成为中小功率电子电路中高性价比的被动元件选择,可满足大多数常规应用场景的需求。

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