WMSIC Electronic Components

KOA RK73H1JTTD1504F

ModelRK73H1JTTD1504F
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 RK73H1JTTD1504F
Type
KOA
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
KOA
Electronic Component
RK73H1JTTD1504F
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
1.5MΩ
Electronic Component
1
Electronic Component
BM0265148164
Operating Temperature
55℃~+155℃
Operating Voltage
75V
Electronic Component
±200ppm/℃
Resistor Type
Resistor

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

RK73H1JTTD1504F 厚膜贴片电阻产品概述

RK73H1JTTD1504F是日本KOA品牌推出的一款0603封装通用厚膜贴片电阻,专为低功耗、高密度PCB设计场景打造,兼具成本优势与稳定性能,广泛应用于消费电子、工业控制等领域。以下从核心身份、性能参数、工艺特性等维度展开详细概述。

一、产品核心身份与定位

该型号属于KOA常规精度厚膜电阻系列,核心定位为小体积、低功耗、高可靠性的通用电阻元件:

  • 品牌:KOA(日本老牌电子元器件厂商,以被动元件的稳定性与一致性著称)
  • 封装:0603(英制规格,对应公制1608,尺寸1.6mm×0.8mm)
  • 工艺:厚膜烧结(陶瓷基底+电阻膜印刷+高温固化,平衡成本与性能)
  • 应用层级:覆盖消费电子、工业级基础电路,不针对极端高精度场景

二、关键电气性能参数详解

2.1 阻值与精度

  • 标称阻值:1.5MΩ(型号中“1504”为阻值代码,代表15×10⁴Ω)
  • 精度等级:±1%(满足多数电路对阻值偏差的要求,如分压采样、信号调节)

2.2 功率与电压

  • 额定功率:100mW(0.1W,0603封装的常规功率等级)
  • 最大工作电压:75V(电压上限,需注意:实际使用中需结合功率计算,如1.5MΩ电阻在100mW下的工作电压约38.7V,需避免过压)

2.3 温度特性

  • 温度系数(TC):±200ppm/℃(表示温度每变化1℃,阻值变化±200×10⁻⁶;如100℃温差下,阻值变化±2%,适合一般温度环境)
  • 工作温度范围:-55℃~+155℃(覆盖工业级极端温度,支持车载、户外设备等场景)

三、物理封装与工艺特性

3.1 封装尺寸与兼容性

  • 0603封装(1.6mm×0.8mm×0.45mm左右):小体积适配高密度PCB,如智能手机、小型传感器模块
  • 端电极结构:三层镍/铜/锡镀层,兼容回流焊、波峰焊工艺,焊接可靠性达行业标准

3.2 厚膜工艺优势

  • 陶瓷基底:采用高纯度氧化铝陶瓷,吸水性低、热稳定性好
  • 电阻膜:丝网印刷金属氧化物电阻膜,烧结后阻值一致性良好,批量生产稳定性高

四、环境适应性与可靠性

4.1 极端环境耐受

  • 温度冲击:可承受-55℃~+155℃的循环冲击(100次循环后阻值变化≤±1%)
  • 湿度耐受:通过85℃/85%RH 1000h湿度测试,阻值漂移≤±1%
  • 机械性能:可承受1000g/6ms机械冲击、20g/10-2000Hz振动,适合移动设备或工业现场

4.2 长期可靠性

  • 寿命测试:在额定功率+85℃环境下工作1000h,阻值变化≤±0.5%
  • 耐焊接热:回流焊峰值温度245℃下30s,无外观损坏或阻值漂移

五、典型应用场景

  1. 消费电子:智能手机触控屏分压电阻、平板电脑音频电路限流、智能穿戴设备信号调节
  2. 工业控制:小型PLC传感器采样电阻、电机控制模块偏置电路
  3. 通信设备:路由器/交换机的偏置电阻、小型基站信号调理
  4. 汽车电子:车载仪表盘背光调节、车身控制模块低功耗电路
  5. 电源领域:低功耗DC-DC转换器反馈电阻、LED驱动电路限流

六、选型与使用注意事项

6.1 功率降额

  • 高温环境(≥100℃):建议功率降额至50%(即≤50mW),避免电阻过热老化
  • 脉冲负载:脉冲功率需≤额定功率的2倍,脉冲宽度≤10ms(避免热积累)

6.2 电压限制

  • 实际工作电压需同时满足:V≤√(P×R)(功率限制)与V≤75V(电压上限),如1.5MΩ电阻最大安全电压约38.7V

6.3 焊接与存储

  • 焊接:推荐回流焊温度曲线(峰值240-250℃,时间30-60s),避免波峰焊时电阻浸入焊料深度超过封装高度的1/2
  • 存储:未焊接元件建议存储在室温(25±5℃)、湿度≤60%环境,避免长期暴露在高湿/高盐雾环境

RK73H1JTTD1504F凭借其小体积、稳定性能与成本优势,成为电子设计中通用电阻的优选之一,适用于多数低功耗、非极端精度要求的电路场景。

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