WMSIC Electronic Components

KOA RK73H1JTTD4301F

ModelRK73H1JTTD4301F
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

19 specifications

Core information

Product name
KOA RK73H1JTTD4301F
Type
KOA
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
KOA
Electronic Component
RK73H1JTTD4301F
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
4.3kΩ
Electronic Component
1
Electronic Component
BM0263496749
Operating Temperature
55℃~+155℃
Operating Voltage
75V
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.

RK73H1JTTD4301F 厚膜芯片电阻产品概述

一、产品定位与核心特性

RK73H1JTTD4301F是日本KOA公司推出的汽车级厚膜芯片电阻,专为高可靠性、小型化电子系统设计。其核心优势聚焦于车规级认证、紧凑封装与环境适应性,可满足汽车电子、工业控制等领域的严苛应用需求,同时具备防潮设计提升复杂场景下的性能稳定性。

二、关键参数详解

该电阻的参数围绕精度、功率、温度稳定性等维度优化,核心指标如下:

  • 阻值与精度:标称阻值4.3kΩ(代码“4301”),精度±1%,可满足信号调理、分压电路的精度要求;
  • 功率与电压:额定功率100mW(0.1W),额定工作电压75V,实际使用需注意功耗不超过100mW(如电阻两端电压≤√(4.3kΩ×0.1W)≈21V,需结合电路匹配);
  • 温度特性:温度系数±100ppm/℃,在-55℃~+155℃宽温范围内,阻值漂移控制在合理区间,适配汽车及工业环境的温度波动;
  • 工艺类型:采用厚膜电阻技术,兼具成本优势与性能稳定性,适合批量应用场景。

三、封装与可靠性设计

3.1 紧凑封装

采用0603封装(英制尺寸,对应公制1608,即1.6mm×0.8mm),体积小巧,可显著节省PCB布局空间,适配高密度电路设计(如汽车仪表盘、小型传感器模块)。

3.2 车规级可靠性

通过AEC-Q200认证(汽车电子元器件可靠性标准),涵盖高温存储、温度循环、湿度偏置、振动冲击等多项严苛测试,确保在汽车发动机舱、车身等复杂环境下长期稳定工作;同时具备防潮设计,减少环境湿气对电阻性能的影响,提升使用寿命。

四、典型应用场景

RK73H1JTTD4301F的设计特性使其适用于以下场景:

  1. 汽车电子:车身控制模块(BCM)信号分压、仪表盘背光调节、胎压监测(TPMS)传感器接口、车载电源滤波;
  2. 工业控制:小型PLC模拟量输入调理、工业传感器(温度/压力)信号衰减;
  3. 消费电子:高可靠性小型设备(智能穿戴、便携式医疗)电源稳压辅助电路。

五、品牌与认证背书

作为KOA核心电阻产品,RK73H1JTTD4301F继承了KOA在电子元器件领域的工艺积累,质量一致性经市场验证;AEC-Q200认证明确其满足汽车行业可靠性标准,可直接用于车规级产品开发,无需额外测试。

该产品平衡了性能、成本与可靠性,是汽车电子及工业控制领域小型化电路的理想选择。

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