WMSIC Electronic Components

KOA RK73H1JTTD1002F

ModelRK73H1JTTD1002F
Package0603
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 26+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
KOA RK73H1JTTD1002F
Type
KOA
Unit
Electronic Component
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
KOA
Electronic Component
RK73H1JTTD1002F
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
10kΩ
Electronic Component
1
Electronic Component
BM0263475146
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.

RK73H1JTTD1002F 厚膜贴片电阻产品概述

一、产品核心身份与定位

RK73H1JTTD1002F是日本KOA公司推出的通用型厚膜贴片电阻,属于该品牌常规精度系列的核心产品。其定位为「中小功率、中等精度的基础被动元件」,适配绝大多数电子电路的分压、限流、匹配等基础功能需求,尤其适合高密度贴片组装场景,是消费电子、工业控制、通信设备等领域的常用选型。

二、关键性能参数详解

该电阻的参数设计平衡了性能与成本,直接决定了应用边界,具体如下:

(1)阻值与精度

阻值标称10kΩ,精度为±1%,即实际阻值范围在9.9kΩ~10.1kΩ之间。这一精度满足80%以上常规电路的需求(如信号调理的分压比控制、微控制器I/O口的上拉/下拉匹配等),无需额外校准即可稳定工作,兼顾性能与成本控制。

(2)功率与电压限制

  • 额定功率:100mW(0.1W),即正常工作时耗散功率不得超过0.1W,避免因过热导致阻值漂移或损坏;
  • 最大工作电压:75V,这一参数并非单纯由功率公式推导(10kΩ电阻在75V下的理论功率为562.5mW,远高于额定功率),而是厚膜电阻材料与封装的绝缘性能限制——实际使用需同时满足「功率≤100mW且电压≤75V」,优先以较低的功率值为核心约束。

(3)温度系数与工作温度

  • 温度系数(TCR):±100ppm/℃,表示温度每变化1℃,阻值变化±100×10⁻⁶×10kΩ=±1Ω。在其工作温度范围(-55℃~+155℃)内,极端温差(210℃)下总阻值漂移约±2.1Ω,远小于±1%的精度范围(±100Ω),阻值稳定性满足工业级场景需求;
  • 工作温度范围:覆盖-55℃至+155℃,超越普通商业级(0℃70℃)与工业级(-40℃125℃)的部分要求,可适应户外设备的低温环境、工业现场的高温工况,以及汽车电子的高低温交替场景。

三、封装与典型应用场景

该电阻采用0603封装(英制尺寸:0.06英寸×0.03英寸,公制1608),是贴片电阻中尺寸较小的规格之一,优势在于:

  • 节省PCB空间,适合智能手机、智能穿戴等小型化设备;
  • 适配常规SMT(表面贴装技术)生产线,焊接兼容性好。

典型应用场景:

  1. 消费电子:手机主板的电源滤波限流、平板的信号接口匹配电阻;
  2. 工业控制:PLC(可编程逻辑控制器)的I/O口上拉电阻、传感器信号调理电路的分压电阻;
  3. 通信设备:路由器、交换机的射频电路匹配电阻(低功率场景);
  4. 汽车电子:车载中控的低温环境电路(-40℃以下仍稳定)。

四、可靠性与环境适应性

厚膜电阻的工艺特性赋予了该产品良好的可靠性:

  • 工艺稳定:采用陶瓷基片印刷电阻浆料+高温烧结工艺,比薄膜电阻成本更低,比线绕电阻尺寸更小,且抗机械应力能力优于薄膜电阻;
  • 抗老化性:长期工作(如1000小时高温老化)后阻值变化率通常≤0.5%,满足量产设备的长期稳定性要求;
  • 环境耐受性:除宽温范围外,还具备一定的抗湿度(符合IEC 60068-2-66标准)与抗振动能力,适合户外或振动环境下的应用。

五、品牌与品质保障

KOA作为日本老牌被动元件厂商,其产品以一致性好、可靠性高著称,RK73H1JTTD1002F符合以下标准:

  • 环保要求:通过RoHS 2.0、REACH等国际环保认证,无铅无镉;
  • 质量管控:批量生产的阻值一致性偏差≤0.2%(远小于标称±1%),适合大规模量产;
  • 售后支持:提供完整的 datasheet 与技术支持,部分批次可追溯,满足工业级客户的品质管控需求。

该产品凭借平衡的性能参数、紧凑的封装与可靠的品质,成为电子设计中10kΩ±1%规格的常用选型之一,尤其适合对成本敏感且需宽温适应性的场景。

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