WMSIC Electronic Components

FH RC-02K2052FT

ModelRC-02K2052FT
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
FH RC-02K2052FT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K2052FT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.01g
Electronic Component
20.5kΩ
Electronic Component
10
Electronic Component
BM0264554833
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-02K2052FT 厚膜贴片电阻产品概述

一、产品基本定位

RC-02K2052FT是风华电子(FH品牌)推出的0402封装厚膜贴片电阻,针对小型化、宽温环境下的电子电路设计,具备阻值精度适中、温度稳定性好、体积紧凑等核心特点,广泛适配消费电子、工业控制、汽车电子等领域的信号调理、分压限流、滤波网络等应用场景,无需额外校准即可实现稳定的电路性能。

二、核心性能参数详解

该型号电阻的关键参数可满足多数中精度电路的需求,具体如下:

2.1 阻值与精度

标称阻值为20.5kΩ,精度等级为**±1%**,可覆盖信号滤波、运放偏置、分压网络等对精度要求不苛刻但需一致性的场景,避免因阻值偏差导致的电路性能波动。

2.2 功率与电压额定值

  • 额定功率:62.5mW(常温25℃下满功率工作),高温环境(>125℃)需按风华通用降额曲线降低功率(如155℃时功率降额至40%),确保长期可靠性;
  • 最大工作电压:50V(直流/交流峰值),远低于0402封装厚膜电阻的击穿电压极限(通常>100V),可避免过压导致的绝缘击穿或阻值漂移,提升电路安全性。

2.3 温度稳定性

温度系数(TCR)为**±100ppm/℃**,即每变化1℃,阻值变化约2.05Ω(20.5kΩ×100×10^-6);在-55℃~+155℃全温区,最大阻值漂移约20.5Ω(210℃温差),适配工业现场、汽车舱内外等宽温环境下的阻值稳定性要求。

2.4 工作温度范围

覆盖**-55℃~+155℃**,符合工业级及部分汽车级温度标准,可在极端环境(如沙漠高温、极地低温)下长期稳定工作,无需额外散热设计。

三、封装与工艺优势

RC-02K2052FT采用0402封装(英制:0.04"×0.02";公制:1.0mm×0.5mm),属于贴片电阻的小型化规格,具备以下核心优势:

  1. 体积紧凑:可显著缩小PCB面积,适配便携式设备(如智能手表、无线耳机)的高密度布局,助力产品轻量化;
  2. 工艺可靠:厚膜工艺通过丝网印刷、高温烧结形成电阻膜,抗机械应力、抗潮湿性能优于薄膜电阻,成本更低且批量一致性好;
  3. 自动化适配:贴片封装兼容SMT自动化组装,提升生产效率,降低人工成本,适合大规模量产需求。

四、典型应用场景

该型号电阻因体积小、宽温稳定、精度适中,广泛应用于以下领域:

  1. 消费电子:智能手机的音频滤波电路、智能手表的传感器信号调理、无线耳机的电源分压网络;
  2. 工业控制:PLC模块的输入分压网络、温度传感器的信号放大偏置、电机驱动的限流电路;
  3. 汽车电子:车载摄像头的信号滤波、胎压监测系统的低功率电路、车载显示屏的背光调节;
  4. 通信设备:基站射频前端的小型化滤波网络、路由器的电源稳压偏置、光纤收发器的信号调理;
  5. 医疗设备:便携式监护仪的生理信号采集电路、血糖仪的信号放大、输液泵的流量控制电路。

五、可靠性与选型建议

5.1 可靠性验证

符合IEC 61000-4-2(ESD抗扰度)、IEC 60068-2(环境试验)等国际标准,典型平均无故障时间(MTBF)>10^6小时,可满足工业级产品的可靠性要求,长期工作无明显性能衰减。

5.2 选型替代

  • 若需更高精度(如±0.1%),可选择风华同系列薄膜电阻(如RC-02K2052FT的薄膜版型号);
  • 若需更大功率(如1/10W),可替换为0603封装的风华电阻(如RC-03K2052FT);
  • 替代时需确保阻值、温度系数、工作电压与原型号完全匹配,避免电路性能偏差。

该型号电阻凭借稳定的性能、紧凑的体积和可靠的工艺,成为中小功率电路小型化设计的优选方案,可有效降低产品成本并提升集成度。

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