WMSIC Electronic Components

FH RC-01W4022FT

ModelRC-01W4022FT
Package0201
BrandFH
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
FH RC-01W4022FT
Type
FH
Minimum package
15000 圆盘

Technical parameters

Power
50mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-01W4022FT
Electronic Component
1
Package
0201
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.008g
Electronic Component
40.2kΩ
Electronic Component
10
Electronic Component
BM0265116709
Operating Temperature
55℃~+125℃
Operating Voltage
25V
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.

风华FH RC-01W4022FT厚膜电阻产品概述

一、产品基本属性

RC-01W4022FT是风华FH(风华高科) 推出的一款厚膜贴片电阻器,属于其经典表面贴装电阻系列之一。型号命名逻辑清晰:

  • RC:代表厚膜电阻(Resistor Chip,厚膜工艺标识);
  • 01W:对应额定功率50mW(0.05W,厂商功率等级编码);
  • 4022:阻值编码(前三位为有效数字402,第四位为倍率10²,即402×10²Ω=40.2kΩ);
  • FT:后缀标识(通常F代表±1%精度,T对应0201封装)。

该产品采用0201小型贴片封装,适用于高密度PCB设计场景,是消费电子、工业控制等领域的通用电阻选型。

二、核心性能参数详解

RC-01W4022FT的核心参数精准匹配常规电路设计需求,关键指标如下:

1. 阻值与精度

  • 标称阻值:40.2kΩ(40200Ω),采用4位编码确保阻值精度;
  • 精度等级:±1%(F级),属于厚膜电阻的主流精度级别,满足信号调理、偏置电路等对阻值稳定性要求较高的场景。

2. 功率与电压额定值

  • 额定功率:50mW(0.05W),为0201封装的典型功率上限;
  • 额定工作电压:25V,需注意:电压额定值并非由功率直接推导(25V时功耗≈15.5mW,远低于50mW),而是额外的过压保护限制(避免击穿电阻膜)。

3. 温度特性

  • 温度系数(TCR):±200ppm/℃,即每变化1℃,阻值变化±0.02%;
  • 工作温度范围:-55℃+125℃,覆盖工业级(-4085℃)及部分汽车级(-40~125℃)环境需求。

举例:若环境温度从25℃(基准温度)升至125℃(变化100℃),阻值波动约±804Ω(40.2kΩ×200ppm/℃×100℃),结合±1%精度(±402Ω),总阻值范围为40.2kΩ±1206Ω(≈±3%),满足大多数电路的动态调整需求。

三、封装与工艺特点

1. 0201小型封装

  • 尺寸:英制0.02″×0.01″(公制≈0.5mm×0.25mm),是贴片电阻的最小封装之一;
  • 优势:显著降低PCB占用面积,适配手机、智能穿戴等便携设备的高密度集成设计。

2. 厚膜工艺优势

风华FH采用成熟的厚膜丝网印刷工艺:

  • 在氧化铝陶瓷基板上印刷电阻浆料,经高温烧结形成稳定电阻膜;
  • 成本低于薄膜电阻,且抗湿性、抗腐蚀性优于碳膜电阻,适合批量生产;
  • 电阻膜均匀性好,参数一致性达行业前列(批量生产阻值离散度≤0.5%)。

四、典型应用场景

RC-01W4022FT的参数特性使其适配多领域应用:

1. 消费电子

  • 智能手机/平板:音频信号调理电路(偏置电阻)、电源管理模块(限流电阻);
  • 智能穿戴:手环/手表的传感器信号链路(低功耗、小体积)。

2. 工业控制

  • PLC模块:传感器输入偏置电阻(宽温适应车间-20~60℃环境);
  • 小型电机驱动:电流检测电阻(精度稳定,避免误触发)。

3. 汽车电子

  • 车载USB充电模块:过流保护电阻(-40~85℃工作温度符合车载标准);
  • 仪表盘背光电路:分压电阻(耐高低温循环)。

4. 智能家居

  • 智能门锁:信号检测电路(低功耗,延长电池续航);
  • 温湿度传感器:信号放大偏置电阻(精度稳定,确保检测准确)。

五、可靠性与环境适应性

风华FH对RC-01W4022FT进行了严格的可靠性测试,符合多项行业标准:

  • 老化测试:125℃高温老化1000小时,阻值变化≤0.5%;
  • 湿热循环:-55~125℃/95%RH循环测试,无开路/短路故障;
  • 机械强度:0201封装可承受1000次弯折(PCB弯曲≤2mm),适配SMT贴装工艺。

此外,产品采用环保无铅封装(RoHS compliant),符合欧盟环保指令要求。

六、选型参考与优势总结

1. 选型匹配

若电路需求为:40.2kΩ±1%、0201封装、50mW功率、-55~125℃工作温度,RC-01W4022FT为直接匹配型号,无需额外参数调整。

2. 核心优势

  • 品牌可靠:风华FH是国内电子元器件龙头企业,30余年生产经验,供应链稳定;
  • 参数精准:阻值、精度、温系等核心指标与设计需求高度契合;
  • 性价比高:厚膜工艺平衡了性能与成本,适合批量应用;
  • 宽温适配:覆盖工业、汽车、消费电子多领域环境;
  • 工艺成熟:SMT贴装兼容性好,批量生产一致性达99.5%以上。

综上,RC-01W4022FT是一款性能稳定、适配性强的厚膜贴片电阻,可满足中低端电路对精度、体积、成本的综合需求。

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