WMSIC Electronic Components

FH RC-02K2000FT

ModelRC-02K2000FT
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-02K2000FT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K2000FT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.022g
Electronic Component
200Ω
Electronic Component
10
Electronic Component
BM0259745719
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-02K2000FT 产品概述

一、产品简介

RC-02K2000FT 是风华(FH)系列的一款贴片厚膜电阻,封装为 0402(约 1.0 × 0.5 mm),阻值 200 Ω,精度 ±1%,额定功率 62.5 mW(1/16W),工作电压标称 50 V,温度系数(TCR)±100 ppm/℃,工作温度范围 -55℃ 至 +155℃。该款电阻以体积小、精度高、成本适中为特点,适合对体积与精度有一定要求的表面贴装电路。

二、主要规格与参数

  • 元件类型:厚膜贴片电阻
  • 型号:RC-02K2000FT
  • 阻值:200 Ω
  • 精度:±1%(J)
  • 额定功率:62.5 mW(1/16 W)
  • 标称工作电压:50 V(器件耐压参考值)
  • 温度系数:±100 ppm/℃(典型)
  • 工作温度:-55℃ ~ +155℃
  • 封装:0402(适用于高速贴片机与回流焊工艺)

补充说明:按功率限制计算,在不超过额定功率的条件下,该阻值对应的最大允许电压约为 sqrt(P·R) = sqrt(0.0625×200) ≈ 3.54 V。因此在电路设计时既要考虑器件标称耐压,也要以功率限制为准以免过载。

三、性能亮点

  • 小体积:0402 封装便于高密度贴装,节省 PCB 面积。
  • 精度稳定:±1% 精度满足多数模拟、分压与阻抗匹配应用。
  • 合理的温漂:±100 ppm/℃ 对于厚膜工艺属于较优水平,可在中等温度变化环境下保持阻值稳定。
  • 宽温度范围:-55℃ 至 +155℃,适用于工业级温度环境。
  • 工艺兼容:适配常见无铅回流焊流程,便于批量制造。

四、典型应用场景

  • 电源分压、偏置网络与参考电阻
  • 信号处理与模数混合电路中的精密阻值需求(中等精度)
  • 移动与便携设备、消费电子中要求体积小且精度稳定的场合
  • 工业控制与传感器接口(注意环境温度与功率降额)
  • 阻抗匹配与终端应用(需校核功率与容差)

五、设计与使用要点

  • 功率降额:0402 体积小,散热条件受限,建议在长期工作时采用降额设计(常见措施为 ≤50% 额定功率),以延长寿命并提高可靠性。
  • 电压校核:器件标称耐压与功率限制均需满足,实际电压超过约 3.54 V 会引起过功耗风险。
  • 布局建议:避免在高热源(如大功率器件、热源走线)附近贴装,保证良好散热与焊盘支持,减少热应力与机械应力。
  • 焊接工艺:兼容无铅回流焊,建议按厂商回流曲线控制峰值温度与时间;避免重复高温回流造成性能漂移。
  • 测量注意:在对小阻值电路进行精确测量时,采用四线测量以减少接触和引线电阻误差。

六、可靠性与质量控制

风华作为知名被动元件厂商,对材料与批次均有严格把控。厚膜工艺在环境与机械应力下具备良好的稳定性,但与薄膜相比在极端精密应用上温漂与噪声表现略逊。建议在关键产品中做样件老化、温循环及焊接可靠性验证,以确认在目标应用工况下的长期性能。

七、包装与采购建议

RC-02K2000FT 常见以卷带(Tape & Reel)方式供货,便于贴片生产线直接取料。采购时建议确认:工作批次、是否含任何特殊认证(如客户指定的可靠性测试报告)、交货规格(卷长、卷数)以及是否需要先行样件验证。对于量产项目,建议与供应链协同进行可靠性试验与来料检验标准定义。

八、结语

RC-02K2000FT(FH 风华,0402,200 Ω,±1%,62.5 mW,±100 ppm/℃)以小尺寸与中高精度为主要优势,适合高密度电子产品中对空间和精度都有要求的应用。设计时需关注功率降额与实际电压限制,做好焊接与热管理,从而发挥该器件的最佳性能与长期可靠性。若需更详细的回流曲线、材料表或可靠性试验数据,可联系供应商获取完整规格书与认证资料。

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