WMSIC Electronic Components

FH RC-02K9531FT

ModelRC-02K9531FT
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-02K9531FT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K9531FT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.022g
Electronic Component
9.53kΩ
Electronic Component
10
Electronic Component
BM0264879730
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.

风华RC-02K9531FT厚膜贴片电阻产品概述

RC-02K9531FT是FH(风华)电子推出的0402封装高精度厚膜贴片电阻,针对小型化、高密度电子电路设计,兼顾精准度、稳定性与环境适应性,广泛适配消费电子、工业控制、通信等领域的低功耗电路需求。

一、产品核心身份与定位

RC-02K9531FT属于风华厚膜贴片电阻系列的经典型号,核心定位为小尺寸、高精度、宽温域的通用型贴片电阻:

  • 阻值精准(9.53kΩ±1%),满足信号调理、分压、限流等电路对阻值一致性的要求;
  • 0402封装(公制1005),尺寸仅1.0mm×0.5mm,适配高密度PCB布局(如智能手机、智能穿戴设备);
  • 厚膜工艺+宽温设计,兼顾成本与可靠性,覆盖工业级与消费级应用场景。

二、关键性能参数深度解析

该型号的核心参数直接决定了其应用边界,各参数的实际意义如下:

2.1 阻值与精度

阻值为9.53kΩ,精度等级±1%——这意味着在25℃基准温度下,电阻实际阻值偏差不超过95.3Ω,可满足大多数模拟电路(如运算放大器反馈、传感器信号放大)对阻值精准度的要求,无需额外校准。

2.2 功率与负载能力

额定功率62.5mW(0.0625W),是0402封装厚膜电阻的典型功率等级。实际应用中建议采用80%功率降额(即实际功耗不超过50mW),可有效避免长期过载导致的阻值漂移或热失效,适配低功耗设备(如IoT终端、可穿戴设备)。

2.3 温度系数(TCR)

温度系数为**±100ppm/℃**——换算为实际阻值变化:当环境温度从25℃变化到125℃(温差100℃)时,阻值变化幅度仅±0.1%(9.53kΩ×100ppm×100℃=±9.53Ω)。这一特性可大幅降低温度波动对电路性能的影响,适合户外设备、工业现场等温度变化较大的场景。

2.4 工作温度范围

覆盖**-55℃+155℃**的宽温域,符合工业级电子元器件的温度要求(通常工业级为-40℃+125℃,该型号超出此范围,可适配更严苛的环境),可用于汽车电子辅助电路、户外传感器节点等场景。

三、封装与工艺特性

RC-02K9531FT采用0402厚膜贴片封装,其工艺与封装特性决定了性能稳定性:

3.1 0402封装优势

  • 尺寸极小:1.0mm(长)×0.5mm(宽)×0.3mm(厚),可大幅减少PCB占用面积,提升电路集成度;
  • 焊接兼容性:适配回流焊、波峰焊等主流SMT工艺,风华提供的焊接温度曲线(峰值245℃±5℃,时间≤30s)可确保焊接可靠性。

3.2 厚膜工艺核心优势

采用丝网印刷+高温烧结的厚膜工艺:

  • 膜层均匀性好:阻值一致性高,批量生产的阻值偏差可控制在±0.5%以内(远优于标称±1%);
  • 环境稳定性强:厚膜电阻的氧化层、膜层与基板结合牢固,抗湿、抗盐雾性能优于薄膜电阻(适合潮湿环境);
  • 成本适中:比薄膜电阻成本低30%~50%,兼顾性能与性价比。

四、典型应用场景

RC-02K9531FT的参数特性使其适配多个领域的低功耗电路:

4.1 消费电子

  • 智能手机/平板:传感器接口电路(如加速度计、陀螺仪的分压电路)、电源管理模块(DC-DC转换的反馈电阻);
  • 智能穿戴:智能手环/手表的心率传感器信号调理电路、低功耗蓝牙模块的阻抗匹配。

4.2 工业控制

  • 小型PLC:数字量输入/输出接口的限流电阻、模拟量采集电路的分压电阻;
  • 工业传感器:温度传感器(如PT100)的信号放大电路、压力传感器的校准电阻。

4.3 通信设备

  • 小型基站:射频前端的信号衰减电阻、信号调理电路的偏置电阻;
  • 路由器/交换机:以太网接口的阻抗匹配电阻、电源滤波电路的限流电阻。

4.4 汽车电子(辅助电路)

  • 车内传感器:座椅传感器、车门传感器的信号调理电路(宽温适配-40℃~+85℃的车内环境);
  • 车载娱乐:蓝牙模块的阻抗匹配电阻、音频电路的分压电阻。

五、可靠性与环境适应性

风华作为国内老牌电子元器件厂商,RC-02K9531FT的可靠性经过多重测试验证:

5.1 长期稳定性

  • 高温老化测试:155℃下持续1000小时,阻值变化率≤±0.5%;
  • 负载寿命测试:在额定功率下工作1000小时,阻值变化率≤±1%。

5.2 环境耐受能力

  • 湿热测试:60℃/95%RH下持续500小时,阻值变化率≤±0.2%;
  • 盐雾测试:5%NaCl溶液中持续96小时,无腐蚀、阻值变化率≤±0.3%。

5.3 环保合规

符合RoHS 2.0(无铅、无镉、无汞)、REACH等环保标准,适配全球市场需求。

六、选型与使用注意事项

为确保电路可靠性,使用时需注意以下要点:

6.1 功率降额原则

实际工作功率建议不超过额定功率的80%(即≤50mW),避免长期过载导致阻值漂移;若环境温度超过85℃,需进一步降低功率(如60%降额)。

6.2 焊接工艺控制

  • 回流焊:遵循风华推荐的温度曲线(预热区150℃180℃,时间60120s;回流区220℃~245℃,峰值245℃±5℃,时间≤30s);
  • 手工焊接:使用恒温烙铁(温度≤350℃,焊接时间≤3s),避免烙铁头直接接触电阻本体。

6.3 存储与运输

  • 存储:常温干燥环境(温度15℃35℃,湿度40%60%),避免阳光直射;
  • 运输:采用防静电包装(抗静电袋+防潮剂),运输过程中避免剧烈振动。

6.4 电路匹配建议

  • 模拟电路:若用于运算放大器反馈,需确保电阻精度与运放失调电压匹配;
  • 射频电路:需考虑寄生电容(0402封装寄生电容约0.1pF),避免影响高频信号传输。

RC-02K9531FT凭借小尺寸、高精度、宽温域与高可靠性,成为小型化电子电路的理想选择,可满足从消费电子到工业控制的多样化需求。

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