WMSIC Electronic Components

FH RC-02K302JT

ModelRC-02K302JT
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
FH RC-02K302JT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K302JT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.022g
Electronic Component
3kΩ
Electronic Component
50
Electronic Component
BM0257283185
Operating Temperature
55℃~+155℃
Electronic Component
±100ppm/℃
Resistor Type
Resistor
Electronic Component
Electronic Component

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

RC-02K302JT 厚膜贴片电阻产品概述

一、产品基本属性与市场定位

RC-02K302JT是风华电子(FH品牌) 推出的0402封装厚膜贴片电阻,属于通用型小型化电阻器件。其设计聚焦于高密度PCB布局场景,兼顾成本控制与基础性能稳定性,适用于消费电子、工业控制等多领域的常规电路设计,是中小批量电路开发中平衡性能与性价比的典型选择。

二、核心电气参数详解

该电阻的关键指标明确匹配小型化封装的应用需求,核心参数如下:

  • 阻值与精度:标称阻值3kΩ(标识代码“302”),精度±5%——满足大多数信号调理、分压电路的误差要求,无需额外校准即可实现基础功能;
  • 功率特性:额定功率62.5mW——对应0402封装的标准功率等级,可稳定承载常规低压小电流电路的功耗(如3.3V电源下,最大允许电流约4.5mA);
  • 温度系数(TCR):±100ppm/℃——指每变化1℃,阻值相对变化100×10⁻⁶。在-55℃~+155℃温区内,最大阻值漂移约±1.5%(以25℃为基准,155℃时漂移约39Ω),适合对温度稳定性要求中等的场景(如环境温度变化较大的工业现场)。

三、封装与工艺特性

3.1 封装形式

采用0402封装(英制尺寸:0.04英寸×0.02英寸,公制1005:1.0mm×0.5mm),是当前小型化电子设备中应用最广泛的贴片封装之一。其紧凑尺寸可显著提升PCB集成度,适配手机、智能穿戴、小型传感器模块等对空间要求苛刻的设计。

3.2 厚膜工艺优势

作为厚膜电阻,RC-02K302JT通过丝网印刷+高温烧结工艺制备,相比薄膜电阻成本更低,且具备以下特点:

  • 耐过负载能力强:短时间过功率冲击下不易失效;
  • 环保合规:符合RoHS标准(无铅无镉),适配绿色制造趋势;
  • 批量一致性好:风华电子的成熟工艺确保产品参数偏差控制在设计范围内。

四、环境适应性与可靠性

4.1 宽温工作范围

工作温度覆盖**-55℃+155℃**,超出常规商业级电阻(0℃70℃)的温区范围,可稳定应用于:

  • 户外设备(如安防摄像头、气象传感器);
  • 工业控制箱(高温环境下的PLC模块);
  • 汽车辅助电路(低温启动场景下的车身传感器)。

4.2 可靠性验证

风华电子对该产品进行了严格的可靠性测试,关键指标包括:

  • 负载寿命测试:1000小时额定功率下,阻值变化≤±1%;
  • 温度循环测试:-55℃~155℃循环500次,无外观/性能失效;
  • 耐湿测试:85℃/85%RH环境下1000小时,阻值漂移≤±2%。

五、典型应用场景

RC-02K302JT的参数特性使其适配多领域常规电路:

  1. 消费电子:手机主板信号滤波、平板电源分压、智能手环传感器偏置;
  2. 工业控制:PLC输入输出调理、小型温度传感器信号放大;
  3. 汽车电子:车载显示屏背光控制、车身传感器信号处理(非安全关键级);
  4. 通信设备:小型基站射频前端滤波、光纤收发器电源管理。

六、总结

RC-02K302JT作为风华电子的通用型0402厚膜贴片电阻,以小型化、宽温稳定、成本可控为核心优势,覆盖从消费电子到工业控制的多场景需求。其明确的电气参数与成熟工艺,使其成为中小批量电路设计中平衡性能与成本的理想选择。

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