WMSIC Electronic Components

FH RC-02K333JT

ModelRC-02K333JT
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-02K333JT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K333JT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.022g
Electronic Component
33kΩ
Electronic Component
10
Electronic Component
BM0264879596
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-02K333JT 厚膜贴片电阻产品概述

一、产品基本属性

RC-02K333JT是风华电子(FH品牌) 推出的一款通用型厚膜贴片电阻,属于0402封装系列核心型号。该器件以33kΩ为标称阻值,适配±5%精度要求,是电子电路中实现分压、限流、阻抗匹配、信号滤波等基础功能的常用元件,广泛覆盖消费电子、工业控制、车载辅助等领域。

二、核心性能参数详解

该型号的关键参数针对通用场景做了均衡设计,具体如下:

1. 阻值与精度

标称阻值为33kΩ(33×10³Ω),精度±5%,实际工作阻值范围为31.35kΩ~34.65kΩ,无需额外校准即可满足绝大多数民用/工业通用电路的误差需求。

2. 功率额定值

额定功率62.5mW(0.0625W),对应0402封装的常规功率等级。由公式 ( I = \sqrt{P/R} ) 计算,最大连续工作电流约为1.37mA,适合小电流、低功耗场景(如LED指示灯、传感器接口)。

3. 温度系数(TCR)

±100ppm/℃,表示温度每变化1℃,阻值变化±0.01%。例如:当环境温度从25℃升至155℃(温差130℃),阻值变化约±1.3%,稳定性优于普通碳膜电阻,可适应温度波动较大的工作环境。

4. 工作温度范围

-55℃~+155℃,覆盖工业级(-40℃+85℃)和部分汽车级(-40℃+125℃)温区,能在极端低温(北方户外设备)和高温(车载电子舱内)下稳定工作。

5. 工艺特性

采用厚膜工艺制造:相比薄膜电阻成本更低,厚膜层耐过载能力更强(可承受短时间过功率冲击),适合批量生产的一致性要求。

三、典型应用场景

结合参数特点,该型号主要适配以下场景:

1. 消费电子终端

  • 智能手机/智能手表:传感器接口(加速度计、陀螺仪)的信号调理、LED状态灯限流、蓝牙/WiFi模块阻抗匹配;
  • 小型家电:遥控器、智能音箱的按键分压电路。

2. 工业控制模块

  • PLC输入输出接口:传感器信号分压、微型电机驱动限流;
  • 物联网(IoT)模块:温湿度传感器的信号滤波、低功耗通信电路的阻抗匹配。

3. 车载辅助电路

  • 车载音响:信号衰减电阻、背光LED限流;
  • 胎压监测模块:信号放大电路的反馈电阻(宽温区适应车载环境温度变化)。

4. 小型电源设计

  • DC-DC降压转换器:反馈分压网络;
  • LDO线性稳压器:输出电压调整电阻(低功率符合小功率电源需求)。

四、品牌与可靠性优势

RC-02K333JT由风华电子(国内厚膜电阻龙头企业)生产,核心优势如下:

  • 工艺成熟:厚膜印刷、烧结工艺稳定,批次间阻值偏差控制在±5%以内;
  • 环保合规:符合RoHS标准(无铅、无镉),适配全球市场;
  • 可靠性认证:通过IEC 60068-2-1(低温)、IEC 61000-4-2(静电放电)等国际标准测试,耐湿、耐老化性能优异;
  • 成本可控:厚膜工艺降低了制造成本,适合批量应用场景。

五、封装与安装注意事项

1. 封装规格

0402英制封装(公制1005),尺寸为1.0mm×0.5mm,紧凑设计适合高密度PCB(如智能手机主板、IoT模块),可显著节省电路板空间。

2. 焊接工艺

  • 回流焊:推荐峰值温度230℃245℃(持续1030秒),避免温度过高导致封装变形;
  • 波峰焊:需控制预热温度100℃~150℃(温差≤2℃/秒),防止焊接不良;
  • 存储:未开封产品存储于20℃±5℃、湿度40%~60%环境,开封后12个月内使用完毕(避免受潮影响焊接)。

六、选型适配建议

若现有参数无法满足需求,可参考以下升级方向:

  1. 精度升级:需±1%精度时,选同系列RC-02K333FT;需±0.1%时,切换薄膜电阻型号;
  2. 功率扩容:需125mW功率时,选0603封装的RC-03K333JT;
  3. 温系优化:需±50ppm/℃稳定性时,考虑薄膜电阻(成本增加约30%);
  4. 高温适配:工作温度超155℃时,选高温型厚膜电阻(如温区达200℃的型号)。

综上,RC-02K333JT是一款性价比突出的通用厚膜贴片电阻,以均衡的性能覆盖多领域应用,适合对成本敏感且需宽温、小封装的电路设计。

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