WMSIC Electronic Components

FH RC-02K1802FT

ModelRC-02K1802FT
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-02K1802FT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K1802FT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.022g
Electronic Component
18kΩ
Electronic Component
50
Electronic Component
BM0264368167
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-02K1802FT 厚膜贴片电阻产品概述

一、产品核心定位

RC-02K1802FT是风华(FH)品牌推出的0402封装厚膜贴片电阻,针对小型化、高精度电子电路设计,兼顾成本与性能稳定性,适用于消费电子、工业控制等多领域的常规信号处理与电源辅助电路,是高密度PCB布局的优选元件。

二、关键性能参数解析

该电阻的核心参数围绕“小封装、高精度、宽温可靠”设计,具体特性如下:

  1. 阻值与精度:标称阻值18kΩ,精度±1%——满足多数模拟电路对阻值偏差的严格要求(如信号分压、运放反馈回路),相比普通±5%精度电阻,可有效降低信号失真或误差累积;
  2. 功率与电压限额:额定功率62.5mW(即1/16W),额定工作电压50V——实际使用需同时满足“功率≤62.5mW”和“电压≤50V”,例如当工作电压为30V时,实际功率为30²/18000≈50mW,符合功率要求;
  3. 温度系数(TCR):±100ppm/℃——温度每变化1℃,阻值漂移±0.01%,若工作温度从25℃升至125℃(变化100℃),阻值漂移仅±1%,与精度指标匹配,宽温环境下性能稳定;
  4. 工作温度范围:-55℃+155℃——覆盖工业级(-40+85℃)及部分汽车级(-40~+125℃)场景,可适应户外低温或高温设备内部环境。

三、封装与物理特性

RC-02K1802FT采用0402封装(英制:0.04″×0.02″,公制:1.0mm×0.5mm),属于贴片电阻的小尺寸规格,具备以下优势:

  • 体积紧凑:适合高密度PCB布局,可有效缩小产品体积(如可穿戴设备、小型传感器模块);
  • 工艺兼容:支持回流焊、波峰焊等常规SMT工艺,生产效率高,适配自动化组装线;
  • 防护可靠:采用环氧树脂密封,具备抗潮湿、抗机械冲击能力,可抵御环境中的粉尘、水汽侵蚀,延长使用寿命。

四、典型应用场景

基于参数特性,该电阻广泛适配以下场景:

  1. 消费电子:智能手机、智能手表的电源滤波电路、信号分压电路;
  2. 工业控制:小型温度/压力传感器节点的信号调理电路、PLC输入模块的限流电路;
  3. 汽车电子:车载仪表盘背光电路、传感器信号放大电路(需确认整车温度要求);
  4. 通信设备:小型无线路由器、蓝牙模块的射频匹配电路;
  5. 医疗电子:血糖仪、体温计等便携医疗设备的模拟信号处理电路。

五、可靠性与品质保障

风华作为国内电子元器件行业龙头,RC-02K1802FT具备可靠的品质保障:

  • 工艺成熟:采用厚膜印刷工艺,元件一致性好,批量生产稳定性高;
  • 环保合规:符合RoHS、REACH等国际环保标准,无铅焊接兼容;
  • 测试严格:出厂前经过高温老化、高低温循环测试,确保长期可靠性;
  • 标准兼容:满足IEC 60115、JIS C 5201等国际电阻标准,可直接替换同类进口产品。

六、选型与使用注意事项

  1. 替换参考:若需更高精度(如±0.1%),可选用薄膜贴片电阻(如0402封装的薄膜电阻);若需更大功率(如1/10W=100mW),可升级至0603封装;
  2. 焊接要求:回流焊峰值温度不超过260℃,焊接时间不超过10秒,避免因高温导致阻值漂移;
  3. 功率降额:在高温环境(>125℃)下,需适当降低工作功率(如降额至额定功率的80%),延长使用寿命。

该产品以高性价比、宽温稳定的特性,成为小型电子设备中常规电阻应用的主流选择,可满足多数中端电路的性能需求。

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