WMSIC Electronic Components

KOA RK73H1ETTP1004F

ModelRK73H1ETTP1004F
Package402
BrandKOA
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

20 specifications

Core information

Product name
KOA RK73H1ETTP1004F
Type
KOA
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
KOA
Electronic Component
RK73H1ETTP1004F
Electronic Component
1
Package
402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
1MΩ
Electronic Component
1
Electronic Component
BM0265148162
Operating Temperature
55℃~+155℃
Operating Voltage
75V
Electronic Component
±100ppm/℃

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

RK73H1ETTP1004F 厚膜贴片电阻产品概述

RK73H1ETTP1004F是日本KOA公司推出的0402封装通用型厚膜贴片电阻,属于RK73H系列标准品。该产品以“性能均衡、宽温适配、成本可控”为核心设计,专为工业控制、消费电子、通信等领域的高密度电路优化,是中低端应用场景的高性价比电阻选型。

一、产品核心定位与品牌背景

KOA作为拥有60余年电子元器件研发制造经验的厂商,其电阻产品以“高可靠性、批次一致性”著称。RK73H系列定位于通用厚膜贴片电阻,覆盖0402~1206主流小封装,主打“中等精度+宽温范围+成本优势”,无需定制即可快速适配各类量产项目。

RK73H1ETTP1004F作为该系列的1MΩ精度款,针对需要±1%精度、-55~+155℃宽温工作的场景优化,兼顾了性能与成本,是替代同类进口/国产电阻的可靠选择。

二、关键技术参数详解

该产品参数完全匹配通用电路的实际需求,核心参数及意义如下:

  • 阻值与精度:标称阻值1MΩ(阻值代码“1004”:前三位100,第四位4即×10⁴),精度±1%(代码“F”)—— 覆盖90%以上工业/消费电子应用(如分压、滤波),无需额外校准即可稳定输出;
  • 功率与电压:额定功率100mW(25℃环境),最大工作电压75V—— 满足小信号电路需求(如传感器调理、MCU外围),电压限制避免过压击穿;
  • 温度特性:温度系数(TCR)±100ppm/℃—— 厚膜电阻中属较好水平,温度每变化1℃,阻值漂移≤0.1Ω;在-55~+155℃范围内,最大漂移约21Ω,远低于±1%精度要求(10kΩ);
  • 工作温度范围:-55℃~+155℃—— 适配工业车间、户外设备及部分高温场景(如LED驱动)。

三、封装与物理特性

  • 封装尺寸:0402(英寸制,对应公制1005:长1.0mm×宽0.5mm)—— 体积仅为插件电阻1/10,适合智能手机、智能穿戴等高密度PCB设计;
  • 工艺特点:厚膜丝网印刷+烧结工艺—— 成本比薄膜电阻低15%~20%,且耐湿性、抗冲击性优于薄膜电阻;
  • 贴装兼容性:标准贴片封装,支持富士、西门子等自动化贴片机,贴装效率≥99.5%,适合大规模量产。

四、典型应用场景

该产品因“小体积+宽温+中等精度”的组合,适用于以下场景:

  1. 工业控制:PLC输入输出模块、传感器信号调理(如温度/压力传感器分压);
  2. 消费电子:手机/平板电源管理(电池充放电分压)、音频滤波电路;
  3. 通信设备:路由器/交换机信号接口匹配、电源滤波;
  4. 小型家电:智能电饭煲、加湿器控制电路;
  5. 汽车辅助电路:非安全关键场景(如仪表盘背光调节),155℃上限适配发动机舱局部高温(需确认AEC-Q200认证批次)。

五、产品优势与市场价值

  1. 性能均衡:精度、温度特性、功率三者平衡,避免过高性能的成本浪费;
  2. 品牌可靠:经老化测试,批次一致性≥99.9%,减少生产不良率;
  3. 供货稳定:常年量产标准品,无缺货风险,适合长期项目;
  4. 成本可控:厚膜工艺降低成本,适配中低端市场需求。

六、使用注意事项

  1. 功率降额:环境温度>25℃时,需按KOA降额曲线降低功率(如125℃时降至50mW);
  2. 电压限制:实际使用建议不超过60V,避免过压损坏;
  3. 贴装工艺:焊膏厚度10~15μm,贴装精度±0.05mm,避免桥接/虚焊;
  4. 高精度场景:若用于仪器校准(如万用表),需选±0.1%精度、±50ppm/℃ TCR产品;
  5. 存储条件:未开封产品存于1535℃、40%60%湿度环境,开封后1个月内用完。

RK73H1ETTP1004F凭借可靠性能与成本优势,成为工业、消费电子等领域的通用电阻首选,是电子工程师选型的高性价比方案。

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