WMSIC Electronic Components

KOA RK73H1ETTP1000F

ModelRK73H1ETTP1000F
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 Date code within 2 years

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
KOA RK73H1ETTP1000F
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
RK73H1ETTP1000F
Electronic Component
1
Package
402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
100Ω
Electronic Component
1
Electronic Component
BM0264770981
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.

RK73H1ETTP1000F 厚膜贴片电阻产品概述

RK73H1ETTP1000F是日本KOA公司推出的一款小型化高精度厚膜贴片电阻,针对高密度电路设计与宽温环境可靠性需求优化,兼顾成本与性能,广泛适配消费电子、工业控制等多领域应用场景。以下从产品定位、参数解析、设计特点、应用场景及使用注意事项展开详细说明。

一、产品定位与品牌背景

KOA作为全球被动元器件领域的资深厂商,拥有数十年电阻研发与生产经验,其厚膜电阻产品以稳定性强、一致性好著称。RK73H1ETTP1000F定位于高集成度、宽温通用型贴片电阻,可替代同规格薄膜电阻降低设计成本,同时满足工业级应用的可靠性要求,是平衡性能与经济性的优选方案。

二、关键技术参数深度解析

该产品核心参数经过严格测试验证,直接决定其应用边界:

1. 阻值与精度

阻值为100Ω,精度±1%——此精度级别可满足大多数电路的分压、限流、信号调理需求,无需额外校准即可实现稳定输出,尤其适合对阻值一致性要求较高的批量生产场景。

2. 功率与工作电压

额定功率100mW,最大工作电压75V——从功率与电压的关系((P=V^2/R))计算,75V电压下实际功耗约56.25mW,远低于额定功率,确保长期工作无过热风险;电压限制避免了绝缘层击穿问题,提升安全可靠性。

3. 温度系数(TCR)

温度系数为±100ppm/℃——该指标表示温度每变化1℃,阻值变化百万分之一。以典型工作温度范围(-55℃~+155℃)为例,阻值最大变化量仅为(100Ω×130℃×1e-6=0.013Ω),远小于±1%的精度范围,宽温下仍能保持阻值稳定。

4. 工作温度与封装

工作温度范围覆盖-55℃~+155℃,封装为0402英寸(行业标准封装,实际尺寸约0.4mm×0.2mm)——宽温区适配工业环境(如户外传感器、车载辅助电路),小封装则支持PCB板高密度布线,符合消费电子小型化趋势。

三、封装与可靠性设计特点

KOA针对该产品的厚膜工艺与封装设计,重点优化了可靠性与一致性:

  1. 厚膜电阻层工艺:采用印刷烧结工艺形成电阻膜,相比碳膜电阻更耐温、抗老化;相比薄膜电阻成本更低,兼顾性能与经济性。
  2. 封装可靠性:0402封装采用陶瓷基底+环氧树脂涂层结构,具备良好的耐焊接热(符合J-STD-020标准)、抗机械应力(如PCB弯曲)能力,可通过回流焊、波峰焊等主流贴片工艺。
  3. 环保合规:符合RoHS 2.0、REACH等环保标准,无铅无卤,适配全球市场需求。

四、典型应用场景

RK73H1ETTP1000F因参数均衡,可覆盖多领域应用:

  1. 消费电子:智能手机、平板电脑的电源管理模块(如DC-DC转换的反馈电阻)、音频信号调理电路(小封装适配紧凑主板)。
  2. 工业控制:PLC模块的输入输出接口电阻、传感器信号放大电路(宽温区适配工业现场高低温环境)。
  3. 通信设备:小型基站、路由器的射频前端滤波电阻、电源单元的限流电阻(稳定阻值保障信号质量)。
  4. 汽车电子:车载信息娱乐系统的辅助电路(如按键板电阻)、低功率传感器接口(若满足车规级附加认证,可拓展至更多车载场景)。

五、选型与使用注意事项

为保障产品性能与寿命,使用时需注意以下要点:

  1. 功率降额:建议实际功耗不超过额定功率的70%(即≤70mW),避免长期过载导致阻值漂移。
  2. 电压限制:严格遵循75V最大工作电压,不得超压使用,防止绝缘层击穿。
  3. 焊接工艺:回流焊温度曲线需符合KOA官方规范(如峰值温度≤245℃,时间≤30s),避免过温损坏电阻膜。
  4. 存储条件:存储于常温(15℃~35℃)、干燥(相对湿度≤60%)环境,开封后建议1个月内使用完毕,避免受潮影响焊接性能。

RK73H1ETTP1000F凭借小封装、高精度、宽温稳定的核心优势,成为众多电路设计的优选被动元器件,可有效降低设计复杂度与成本,同时保障系统可靠性。

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