WMSIC Electronic Components

KOA RK73H1ETTP1502F

ModelRK73H1ETTP1502F
Package0402
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 24+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
KOA RK73H1ETTP1502F
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
RK73H1ETTP1502F
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
15kΩ
Electronic Component
1
Electronic Component
BM0265802627
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.

RK73H1ETTP1502F 厚膜片式电阻产品概述

RK73H1ETTP1502F是日本KOA公司推出的一款小型化高精度厚膜片式电阻,采用0402封装(公制尺寸约1.0mm×0.5mm),专为高密度电路设计场景打造,在电气性能、环境适应性与成本控制间实现平衡,是消费电子、工业控制等领域的通用型电阻选型之一。

一、核心身份与工艺定位

该电阻属于厚膜电阻类别,通过丝网印刷、高温烧结等成熟厚膜工艺制备,兼具薄膜电阻的精度优势与碳膜电阻的成本优势——既避免了薄膜电阻的高成本痛点,又解决了碳膜电阻温漂大、精度低的问题。作为KOA旗下的通用型片式电阻,其主打“小尺寸+高精度+宽温适应”特性,适配主流SMT(表面贴装技术)生产线,可实现自动化批量生产与贴装,无需额外定制化筛选。

二、关键电气性能参数

  1. 阻值与精度:标称阻值15kΩ,精度±1%,满足多数信号调理、分压电路对阻值一致性的要求,无需二次筛选即可用于对精度敏感的场景(如传感器信号放大、基准电压分压);
  2. 功率与电压额定值:额定功率1/10W(100mW),额定工作电压75V(直流/交流通用),在小功率电路中可稳定承载工作电流(最大工作电流约2.58mA,由P=I²R推导),避免过载失效;
  3. 温度系数(TCR):±100ppm/℃,即环境温度每变化1℃,阻值变化量不超过±1.5Ω(15kΩ×100×10⁻⁶),在宽温环境下仍能保持阻值稳定,降低电路性能漂移风险(如工业现场的温度波动场景)。

三、封装与物理特性

采用0402英制封装(对应公制1005封装,典型尺寸1.0mm×0.5mm×0.35mm,具体以KOA官方 datasheet为准),是当前电子设备小型化趋势下的主流封装之一。表面贴装设计无需插件孔,可直接焊接于PCB表面,大幅节省PCB空间(相比0603封装节省约50%面积),提升电路集成度,尤其适合智能手机、智能穿戴、小型通信模块等对尺寸敏感的产品。

四、环境适应性与可靠性

工作温度范围覆盖-55℃至+155℃,满足工业级、汽车电子(部分场景)的严苛温区要求——可在低温(如极寒地区户外设备)、高温(如车载引擎舱附近模块)环境下稳定工作。厚膜工艺赋予其较好的耐湿、抗机械应力性能:在振动(如汽车行驶、工业设备运行)、冲击(如设备搬运、启停)场景下,阻值漂移率远低于行业通用标准,长期可靠性符合电子设备5-10年寿命周期要求。

五、典型应用场景

结合其参数特性,RK73H1ETTP1502F的典型应用包括:

  • 消费电子:智能手机、平板的信号滤波、分压电路,智能穿戴设备的心率传感器信号调理;
  • 工业控制:PLC(可编程逻辑控制器)的输入输出模块、温度传感器信号放大电路;
  • 通信设备:小型基站、路由器的射频电路、电源滤波网络;
  • 汽车电子:车载中控屏的背光控制、胎压监测传感器辅助电路(宽温特性适配多数车载场景)。

六、选型与品牌优势

KOA作为全球知名的电阻制造商,其产品具有一致性好、品质稳定的特点,RK73H1ETTP1502F通过了RoHS、REACH等主流环保认证,符合欧盟及国内电子行业的环保要求。相比同参数的薄膜电阻,厚膜工艺的成本优势明显(约低30%-40%);相比碳膜电阻,精度与温漂性能更优(±1%精度 vs 碳膜±5%,±100ppm/℃ vs 碳膜±500ppm/℃),是平衡性能与成本的高性价比选型。

该电阻可直接替换同封装、同参数的其他品牌厚膜电阻,无需调整电路设计,适配性强,是中小批量电子设备研发与生产的理想选择。

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