WMSIC Electronic Components

TA-I Technology RMS04FT4702

ModelRMS04FT4702
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
RMS04FT4702
Type
TA-I Technology
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RMS04FT4702
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
47kΩ
Electronic Component
10
Electronic Component
BM0265676243
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.

RMS04FT4702 0402封装片式厚膜电阻产品概述

一、产品定位与品牌依托

RMS04FT4702是大毅科技推出的0402封装片式厚膜电阻,针对高密度、宽温应用场景设计,兼顾精度、可靠性与成本优势,是便携式电子、工业控制等领域的常规选型元件。大毅科技作为国内被动元件领域的成熟制造商,其厚膜电阻产品以稳定的工艺控制和严格的质量检测著称,RMS04FT4702延续了品牌的可靠性基因,适用于对空间、温度有严苛要求的电路设计。

二、核心参数与性能解析

该电阻的关键参数明确了其应用边界,具体解析如下:

  • 阻值与精度:标称阻值47kΩ(代码“4702”),精度±1%——满足信号调理、分压电路等对阻值偏差要求稳定的场景,避免因精度不足导致的电路性能波动;
  • 功率与电压:额定功率62.5mW(即1/16W),最大工作电压50V——适配低功耗电路(如可穿戴设备、传感器接口),50V的电压耐受能力可有效避免常规过压冲击;
  • 温度特性:温度系数±100ppm/℃,工作温度范围-55℃+155℃——宽温范围覆盖工业环境(-40℃+85℃)、车载低温场景(-55℃)及高温工作(如125℃车载电子),温度系数则保证了100℃温差内阻值漂移不超过±1%,与精度指标完美匹配;
  • 封装尺寸:0402英制封装(尺寸1.0mm×0.5mm)——适合小型化设计,是智能手机、智能手表等便携设备的主流封装选择,可大幅提升电路板元件密度。

三、技术优势与设计亮点

RMS04FT4702的厚膜工艺与参数设计形成了明显的应用优势:

  1. 厚膜工艺的稳定性:通过丝网印刷、高温烧结制备,相比薄膜电阻成本更低,相比碳膜电阻抗浪涌能力更强,长期使用阻值漂移小;
  2. 小封装高密度集成:0402封装可适配5G终端、小型通信模块等对空间严格限制的需求,支持多通道信号处理;
  3. 宽温可靠性:-55℃+155℃的工作范围超越多数消费级元件(通常-40℃+85℃),可直接应用于工业控制、车载辅助电路等严苛环境;
  4. 参数匹配性:±1%精度与±100ppm/℃温度系数的组合,使得电阻在温度变化时仍能保持性能稳定,无需额外温度补偿电路;
  5. 电压安全裕量:50V工作电压比常规0402电阻(通常30V~40V)更高,可应对电路瞬时过压,提升系统可靠性。

四、典型应用场景

结合参数与优势,RMS04FT4702的主要应用领域包括:

  1. 便携式电子设备:智能手机、智能手表、无线耳机等——小封装适配小型化设计,低功耗满足续航需求;
  2. 工业控制模块:PLC输入输出接口、传感器信号调理电路——宽温范围适应工业现场的温度波动;
  3. 汽车电子辅助系统:仪表盘背光控制、胎压监测传感器接口——-55℃低温耐受能力满足车载低温环境;
  4. 通信终端设备:5G小基站、路由器、WiFi模块——高密度集成满足多通道信号处理需求;
  5. 消费电子周边:遥控器、智能家电控制板——成本优势与稳定性适配量产需求。

五、质量与可靠性保证

大毅科技对RMS04FT4702的质量控制覆盖全流程:

  • 原材料采用高纯度厚膜浆料,保证阻值一致性;
  • 生产过程中通过自动化检测(阻值、精度、温度特性),剔除不良品;
  • 符合RoHS环保标准,满足无铅化要求;
  • 长期可靠性测试(高温老化、温度循环)验证了其在恶劣环境下的稳定性,可支撑5年以上的使用周期。

总结

RMS04FT4702作为一款定位清晰的0402封装厚膜电阻,以平衡的精度、宽温可靠性与小封装优势,成为多个领域的常规选型元件,是大毅科技被动元件产品线中的成熟产品,可有效降低电路设计的成本与空间压力。

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