WMSIC Electronic Components

KOA RK73H1JTTD6193F

ModelRK73H1JTTD6193F
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 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
KOA RK73H1JTTD6193F
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
RK73H1JTTD6193F
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
619kΩ
Electronic Component
1
Electronic Component
BM0265802647
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.

RK73H1JTTD6193F 厚膜贴片电阻产品概述

RK73H1JTTD6193F是日本KOA品牌推出的0603封装厚膜贴片电阻,针对工业控制、通信设备等对阻值精度、温度稳定性有要求的场景设计,兼具性价比与可靠性,是小型化电子电路的常用选型。

一、产品基本属性

该电阻属于厚膜贴片电阻类别,通过丝网印刷电阻浆料并高温烧结于陶瓷基片上制成,核心特点是成本可控、抗机械应力强、适配大规模SMT生产。封装规格为0603(英制代码,对应公制尺寸约1.6mm×0.8mm),体积小巧,可满足便携式设备、高密度电路板的布局需求。品牌为KOA(日本光洋电子),其在电阻器领域拥有数十年工艺积累,产品一致性与可靠性经行业验证。

二、核心性能参数

该电阻的关键参数适配多数中低端精度需求场景,具体如下:

  1. 阻值与精度:标称阻值619kΩ,精度±1%,即实际阻值范围为612.81kΩ~625.19kΩ,满足信号调理、分压电路、反馈网络等对阻值一致性要求不苛刻的应用;
  2. 功率额定值:最大功耗100mW(0.1W),适用于低功耗电路(如传感器前端、小型MCU周边电路),需注意高温环境下的功率降额;
  3. 工作电压:最大额定电压75V(直流/交流峰值),避免长时间超过该电压导致电阻膜层击穿或老化;
  4. 温度系数:±100ppm/℃,即温度每变化1℃,阻值变化约0.01%。在-55℃~+155℃的宽工作温度范围内,最大阻值漂移约为±1.5%(按150℃温差计算),可稳定应对工业现场的高低温交替;
  5. 工作温度范围:-55℃至+155℃,覆盖工业级(-40℃+85℃)、部分汽车级(-40℃+125℃)及高温环境(如光伏逆变器内部)的温度需求。

三、典型应用场景

RK73H1JTTD6193F的参数特性使其适用于以下场景:

  1. 工业自动化控制电路:传感器信号调理(如压力、温度传感器的分压电路)、PLC输入输出接口的限流/分压,宽温度范围与稳定精度保证信号传输无明显失真;
  2. 通信设备辅助电路:基站射频前端的偏置电路、路由器/交换机的电源滤波网络,0603小封装适配设备小型化设计,100mW功率满足低功耗需求;
  3. 消费电子小型设备:便携式医疗设备(如血糖监测仪)的信号放大电路、智能穿戴的传感器接口,厚膜电阻的性价比降低整机成本;
  4. 汽车电子外围电路:车载中控的背光调节电路、传感器信号预处理(需确认符合汽车级可靠性标准,该电阻宽温范围可适配部分车载环境)。

四、KOA品牌优势与可靠性设计

KOA作为全球知名电阻制造商,该产品的可靠性体现在:

  1. 工艺稳定性:采用高精度丝网印刷工艺,电阻膜层厚度均匀,阻值一致性优于行业平均水平;
  2. 环境适应性:陶瓷基片耐高低温、抗腐蚀,厚膜层抗机械振动(可通过10G~20G振动测试),适合工业现场的振动环境;
  3. 长期可靠性:经过1000小时高温负载测试(125℃、额定功率),阻值变化≤0.5%,符合IEC 61000等国际标准,可保证5年以上使用寿命。

五、选型与使用注意事项

为保证产品性能与寿命,使用时需注意:

  1. 功率降额:环境温度超过100℃时,实际功耗需降至额定功率的70%以下(如100mW×70%=70mW);125℃以上需降至50%以下,避免电阻过热老化;
  2. 焊接规范:采用回流焊时,峰值温度≤260℃,焊接时间≤10秒;手工焊时,烙铁温度≤350℃,焊接时间≤3秒,防止封装开裂或电阻膜层损坏;
  3. 电压降额:实际工作电压不超过额定值的80%(即60V),延长产品寿命;
  4. 布局建议:0603封装需注意PCB焊盘尺寸(推荐焊盘大小为0.8mm×0.6mm),避免焊盘过大导致焊接后应力集中。

以上概述涵盖了RK73H1JTTD6193F的核心参数、应用与注意事项,可作为电路设计选型的参考依据。

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