WMSIC Electronic Components

FH RC-02K2703FT

ModelRC-02K2703FT
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
FH RC-02K2703FT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K2703FT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.022g
Electronic Component
270kΩ
Electronic Component
10
Electronic Component
BM0264689789
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-02K2703FT 厚膜贴片电阻产品概述

一、产品定位与核心类别

RC-02K2703FT是风华高科(FH) 推出的0402封装厚膜贴片电阻,属于小型化信号级电阻——既不是高功率型(如功率电阻),也不是超精密型(如薄膜电阻),而是平衡了尺寸紧凑性、稳定性与成本,适用于多数中低端电子设备的信号调理、偏置电路等场景。

二、关键参数详细解析

该电阻的核心参数明确了其性能边界,需结合应用场景匹配:

1. 阻值与精度

  • 标称阻值:270kΩ(中高阻范围,适合分压、信号隔离等场景);
  • 精度:±1%(工业级常见精度,比±5%普通电阻更稳定,满足多数电路的阻值一致性需求,无需亚百分比精度的场景)。

2. 功率与电压约束

  • 额定功率:62.5mW(1/16W),与0402封装的功率容量完全匹配(0402封装常规最大功率为1/16W);
  • 最大工作电压:50V,需注意功率与电压的联动关系:
    当工作电压为50V时,实际功耗 ( P = \frac{V^2}{R} = \frac{50^2}{270000} \approx 9.26mW ),远低于额定功率,因此电压限制主要针对绝缘安全(避免高阻场景下的击穿风险),实际使用中需严格控制电压不超过50V。

3. 温度特性

  • 温度系数(TCR):±100ppm/℃,表示温度每变化1℃,阻值漂移量为 ( 270kΩ \times 100ppm = 27Ω ),宽温下阻值可控;
  • 工作温度范围:-55℃ ~ +155℃,覆盖工业级(通常-4085℃)、部分车载低温区(-55℃)及高温过渡区(155℃),比普通商业级(070℃)适应性更强。

三、封装与物理特性

封装类型为0402(英制),对应公制尺寸:

  • 长×宽:1.0mm×0.5mm;
  • 厚度:约0.3~0.4mm(典型值);
  • 引脚间距:约0.5mm。

该封装适合高密度PCB设计,可满足可穿戴设备、微型传感器、小型无线模块等对尺寸要求严格的场景。采用厚膜工艺制造,相比薄膜电阻成本更低,适合大规模量产。

四、环境适应性表现

除宽温范围外,该电阻具备基础的工业级环境耐受能力:

  • 耐湿性:符合IEC 60068-2-67标准,40℃/93%RH环境下长期工作,阻值变化≤1%;
  • 耐振动:可承受10~2000Hz振动测试(加速度2g),满足车载、工业设备的振动场景;
  • 耐冲击:通过IEC 60068-2-27冲击测试(15g加速度),无开路/短路失效。

五、典型应用场景

结合参数特性,该电阻主要用于低功耗、小型化信号电路:

  1. 消费电子:智能手机、蓝牙耳机、智能手表的音频滤波、传感器偏置电路;
  2. 工业控制:小型PLC、低功耗传感器模块的信号放大偏置电阻;
  3. 汽车电子:车载仪表盘背光控制、低功耗传感器接口(覆盖-55~155℃温区);
  4. 通信设备:蓝牙/WiFi模块的射频匹配电路(0402封装适配高密度布局);
  5. 医疗电子:便携式血糖仪、血压计的信号处理电路(低功率+小型化)。

六、品牌与质量保障

品牌为风华高科(FH),国内电子元器件龙头企业,厚膜电阻产能全球领先。该产品符合:

  • 环保标准:RoHS、REACH;
  • 质量体系:ISO 9001、IATF 16949(汽车级认证);
  • 一致性:批量产品阻值、性能偏差小,适合大规模采购。

总结

RC-02K2703FT是一款高性价比的小型化厚膜贴片电阻,在尺寸、稳定性、成本之间取得平衡,是多数中低端电子设备信号级电路的优选元件,尤其适合对温区、体积有要求的场景。

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