WMSIC Electronic Components

FH RC-02K3003FT

ModelRC-02K3003FT
Package0402
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-02K3003FT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K3003FT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.022g
Electronic Component
300kΩ
Electronic Component
10
Electronic Component
BM0264498494
Electronic Component
±100ppm/℃
Resistor Type
Resistor
Electronic Component
Electronic Component
Electronic Component
10000

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-02K3003FT厚膜贴片电阻产品概述

RC-02K3003FT是风华电子(FH)推出的一款高精度小功率厚膜贴片电阻,针对高密度、低功耗电子设备设计,具备尺寸紧凑、阻值精准、性能稳定等特点,广泛应用于消费电子、通信、工业控制等领域。

一、产品基本定位与型号解读

RC-02K3003FT属于风华厚膜贴片电阻系列,型号各段含义清晰:

  • RC:风华厚膜贴片电阻的系列标识,代表采用厚膜工艺制造的表面贴装电阻;
  • 02K:封装规格代码,对应行业通用的0402封装(英制尺寸:0.04英寸×0.02英寸,公制尺寸:1.0mm×0.5mm),超小体积适配高密度PCB布局;
  • 3003:阻值编码,遵循“前三位有效数字+指数位”规则,即300×10³Ω=300kΩ;
  • F:精度等级标识,代表阻值偏差为**±1%**;
  • T:温度系数相关标识,对应产品温度系数为±100ppm/℃。

该产品定位为“小封装高精度厚膜电阻”,平衡了成本与性能,满足多数中端电子设备的阻值精度需求。

二、核心性能参数详解

RC-02K3003FT的核心参数围绕“精准、稳定、小功率”设计,具体如下:

参数项 规格值 说明 电阻类型 厚膜贴片电阻 陶瓷基片+印刷电阻浆料,烧结成型 标称阻值 300kΩ 300×10³欧姆 阻值精度 ±1% F级精度,优于普通±5%电阻 额定功率 62.5mW 0.0625W,适配低功耗电路 温度系数(TCR) ±100ppm/℃ 温度每变化1℃,阻值变化±0.01%,稳定性佳 工作温度范围 -55℃~125℃ 宽温适应不同场景(如工业、汽车辅助系统) 额定电压 ≈137V 由P=V²/R计算得出(√(62.5e-3×300e3) 封装尺寸 0402(1005) 1.0mm×0.5mm×0.4mm(典型值)

注:额定功率为25℃环境下的最大值,实际使用需考虑环境温度影响(温度升高功率需降额)。

三、封装与工艺特性

3.1 小尺寸封装优势

0402封装体积仅为1.0mm×0.5mm,相比0603封装体积缩小约60%,可显著提升PCB的器件密度,适合智能手机、智能穿戴等对空间要求严苛的设备。

3.2 厚膜工艺可靠性

采用氧化铝陶瓷基片(Al₂O₃)作为载体,印刷高精度厚膜电阻浆料后高温烧结,形成致密电阻层:

  • 抗环境腐蚀能力强(优于薄膜电阻的部分工艺);
  • 阻值稳定性好,长期使用无明显漂移;
  • 成本低于薄膜高精度电阻,性价比突出。

3.3 端电极兼容性

端电极采用三层结构(镍/铜/锡),符合RoHS 2.0无铅要求,适配回流焊、波峰焊等主流焊接工艺,焊接后附着力强,抗机械应力性能佳。

四、典型应用场景

RC-02K3003FT因“小封装+高精度+宽温”特性,广泛应用于以下领域:

  1. 消费电子:智能手机主板、智能手表传感器电路、蓝牙耳机信号调理模块(小空间需求);
  2. 通信设备:路由器、5G基站的射频前端滤波电路、信号衰减网络(阻值精准保证信号质量);
  3. 工业控制:小型PLC输入输出模块、温度传感器调理电路(-55℃~125℃宽温适应);
  4. 汽车电子:车载中控辅助电路、胎压监测模块(低功耗+宽温);
  5. 医疗设备:小型监护仪信号放大电路、血糖检测仪传感器电路(精确阻值减少测量误差)。

五、使用注意事项

  1. 功率裕量:实际工作功耗需低于62.5mW,建议留50%以上裕量(即实际功耗≤31.25mW),避免过热导致阻值漂移;
  2. 焊接工艺:回流焊温度曲线需符合风华推荐(峰值温度240~250℃,时间≤10s),手工焊接需控制烙铁温度≤350℃,焊接时间≤3s;
  3. 静电防护:0402封装器件对静电敏感,操作时需佩戴防静电手环,存储于防静电包装内;
  4. 存储条件:开封前存储于温度1535℃、湿度4060%RH的环境,开封后建议1个月内使用完毕,避免长期暴露于潮湿空气。

六、总结

RC-02K3003FT是风华电子针对中端电子设备推出的高性价比厚膜贴片电阻,具备0402小封装、±1%高精度、62.5mW小功率、±100ppm/℃稳定TCR等核心优势,可满足多数低功耗、高密度场景的阻值需求,是消费电子、通信、工业控制等领域的理想选型。

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