WMSIC Electronic Components

KOA RK73H1JTTD15R0F

ModelRK73H1JTTD15R0F
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 Option 133237

Availability on request

Technical data

Product details

20 specifications

Core information

Product name
KOA RK73H1JTTD15R0F
Type
KOA
Unit
Electronic Component
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
KOA
Electronic Component
RK73H1JTTD15R0F
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
15Ω
Electronic Component
1
Electronic Component
BM0265738703
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.

KOA RK73H1JTTD15R0F 厚膜固定电阻器产品概述

一、产品基本属性

RK73H1JTTD15R0F是日本KOA公司推出的表面贴装厚膜固定电阻器,属于RK73系列通用电阻产品。该型号通过命名规则清晰传递核心参数:“15R0”对应标称阻值15Ω,“1%”为精度等级,“0603”封装适配小型化PCB设计,整体定位为小功率、高稳定性的基础电阻元件,广泛覆盖工业控制、消费电子及便携式设备等场景。

二、关键性能参数解析

该电阻器的核心参数精准匹配多场景需求,具体如下:

  1. 阻值与精度:标称阻值15Ω,精度±1%,满足一般电路的信号调节、限流、分压等需求,避免因阻值偏差导致的电路性能波动(如传感器信号偏移、电源纹波异常);
  2. 功率与电压:额定功率125mW(即1/8W),工作电压75V,适用于小功率直流/交流电路,可稳定承载低功耗设备的负载(如5V/20mA级别的电流);
  3. 温度系数(TCR):±100ppm/℃,表示每变化1℃,阻值漂移约0.0015Ω(15Ω×100×10⁻⁶)。在工作温度范围(-55℃~+155℃)内,最大阻值漂移约0.315Ω,仅为标称值的2.1%,有效控制温变对电路的影响;
  4. 工作温度范围:-55℃至+155℃,覆盖工业级环境的极端温度场景(如低温存储、高温运行的电源模块),无需额外散热设计即可稳定工作。

三、封装与尺寸规格

RK73H1JTTD15R0F采用0603封装(公制规格1608,即1.6mm×0.8mm),属于小型表面贴装封装,具有以下优势:

  • 小型化适配:尺寸紧凑,可有效缩小PCB面积,适合便携式电子设备(如智能手机、智能手环)的高密度布局;
  • 焊接兼容性:焊盘尺寸符合行业标准(推荐焊盘:长1.0mm±0.1mm,宽0.6mm±0.1mm),便于自动化贴装生产,降低虚焊、假焊不良率;
  • 薄型设计:封装厚度约0.45mm,满足薄型产品(如卡片式读卡器)的设计要求,无凸起过高导致的机械干涉风险。

四、典型应用场景

结合参数特性,该电阻器适用于以下场景:

  1. 工业控制电路:PLC输入输出接口限流电阻、传感器信号调理电路分压电阻,适应工业现场的宽温(-20℃~+60℃)及湿度环境;
  2. 消费电子设备:机顶盒电源滤波电阻、路由器信号衰减电阻、音频设备音量调节电阻,满足小功率、高稳定性需求;
  3. 便携式电子:智能手机射频匹配电路、蓝牙耳机充电管理电路,利用0603封装的小型化优势提升设备便携性;
  4. 汽车电子辅助电路:车载显示屏背光调节电阻、车内温度传感器信号电阻(需结合AEC-Q200认证,该型号温区可覆盖部分车载场景)。

五、可靠性与品牌优势

KOA作为日本老牌电子元器件厂商,其厚膜电阻产品具有以下可靠性优势:

  • 工艺稳定性:采用厚膜印刷技术,电阻膜层均匀,批量生产的阻值偏差控制在±1%以内,一致性优于行业平均水平;
  • 环境耐受性:经盐雾测试(5%NaCl,48h)、温度循环测试(-55℃~+155℃,1000次循环)等验证,可长期稳定工作于潮湿、温度变化频繁的环境;
  • 品牌保障:KOA产品广泛应用于汽车、工业、通信领域,具备完善的质量追溯体系,降低供应链风险。

六、选型与替换注意事项

若需替换该型号,需确保以下参数匹配:

  1. 封装一致:必须为0603(1608公制),否则无法适配PCB焊盘;
  2. 核心参数匹配:阻值15Ω±1%、功率≥125mW、TCR≤±100ppm/℃、工作电压≥75V、温区覆盖-55℃~+155℃;
  3. 场景适配:若用于汽车电子等特殊领域,需确认替换型号是否具备AEC-Q200等认证,避免可靠性隐患。

该型号凭借小功率、高稳定性及宽温适应性,成为工业控制与消费电子领域的通用电阻优选,可满足多数小信号电路的基础电阻需求。

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