WMSIC Electronic Components

FH RC-02K3242FT

ModelRC-02K3242FT
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-02K3242FT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K3242FT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.022g
Electronic Component
32.4kΩ
Electronic Component
10
Electronic Component
BM0264498889
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.

RC-02K3242FT厚膜贴片电阻产品概述

一、产品基本定位与核心参数

本产品为风华电子(FH) 研发生产的0402封装厚膜贴片电阻,定位于小功率、高精度的通用电子电路应用,核心参数如下:

参数项 规格值 备注 电阻类型 厚膜贴片电阻 陶瓷基底+厚膜电阻层工艺 标称阻值 32.4kΩ 代码:3242(324×10²Ω) 精度等级 ±1% 25℃、10%额定功率下测试 额定功率 62.5mW 25℃静止空气环境最大值 最大工作电压 50V(DC/AC峰值) 电压/功率双限制条件 温度系数(TCR) ±100ppm/℃ 25℃~125℃范围内典型值 工作温度范围 -55℃ ~ +155℃ 覆盖工业级极端环境

二、封装与物理特性

  1. 封装尺寸:符合EIA标准0402封装,尺寸为1.0mm(长)×0.5mm(宽)×0.3mm(高)(典型值),适配高密度PCB设计,可满足手机、智能穿戴等小型化设备的贴装需求。
  2. 工艺特点:采用厚膜丝网印刷+高温烧结工艺,电阻膜层与96%氧化铝陶瓷基底结合紧密,稳定性优于同功率级薄膜电阻,抗老化性能突出。
  3. 端接方式:标准无铅锡端接(Sn/Pb合金可选),符合RoHS 2.0及REACH环保指令,兼容回流焊(峰值温度245℃)、波峰焊等表面贴装工艺,焊接后拉力强度≥1N(典型值)。

三、电气性能详解

  1. 功率与电压限制:

    • 额定功率62.5mW为25℃下的最大连续耗散功率,温度升高需按降额曲线使用:125℃时降额至50%(31.25mW),155℃时降额至25%(15.6mW),避免电阻过热失效。
    • 最大工作电压50V需与功率条件联动验证:实际工作电压需满足「V²/R ≤ 62.5mW」,以本产品为例,32.4kΩ×62.5mW≈2.025W,对应电压≈45V(低于50V),实际应用中以电压上限50V为准。
  2. 精度与温度稳定性:

    • ±1%精度:25℃、10%额定功率下,阻值偏差不超过±324Ω,可满足信号调理、分压电路的精度需求(如麦克风前置放大的反馈电阻)。
    • ±100ppm/℃ TCR:每变化1℃,阻值变化±32.4Ω(32.4kΩ×100e-6),例如从25℃到125℃(变化100℃),阻值偏差率仅±0.01%,宽温环境下性能稳定。

四、环境适应性表现

  1. 宽温可靠性:覆盖-55℃至+155℃工业级温区,通过「-55℃~155℃循环测试(1000次)」,阻值变化率≤±0.8%,可满足户外设备、汽车发动机舱附近电路的极端温度需求。
  2. 抗环境应力:
    • 耐湿热:通过「40℃/95%RH湿热循环(1000h)」,阻值变化率≤±0.5%,适合潮湿或沿海地区设备。
    • 抗振动冲击:符合IEC 60068-2-6振动测试(10-2000Hz,1g加速度),0402封装小体积但厚膜结构抗机械应力能力优于薄膜电阻。
  3. 耐老化性能:高温存储测试(155℃,1000h)后阻值变化率≤±1%,长期使用可靠性高。

五、典型应用场景

本产品因小体积、高精度、宽温特性,广泛应用于以下领域:

  1. 便携式电子:智能手机传感器偏置电路、蓝牙耳机信号分压电阻、智能手环充电控制电路。
  2. 工业控制:PLC输入输出信号调理电路、温度传感器校准电阻(利用宽温特性)。
  3. 汽车电子:车载蓝牙模块限流电阻、仪表盘背光电路分压电阻(符合AEC-Q200汽车级要求)。
  4. 消费电子:LED指示灯分压电阻、音频解码芯片偏置电阻。

六、品牌与质量保障

  1. 品牌背景:风华电子(FH)是国内领先的电子元器件制造商,拥有30余年厚膜电阻生产经验,产品覆盖全球30+国家和地区,通过ISO 9001质量管理体系认证。
  2. 认证合规:本产品符合IEC 60115-1(固定电阻器标准)、RoHS 2.0、REACH等法规要求,部分批次通过AEC-Q200汽车电子认证。
  3. 质量服务:提供12个月产品质量 warranty,批量订单可提供出厂测试报告(COA),支持定制化需求(如更高精度±0.5%、更低TCR±50ppm/℃)。

RC-02K3242FT凭借平衡的性能与成本优势,成为小型化、高精度电子电路的理想选择,可满足从消费电子到工业/汽车领域的多样化需求。

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