WMSIC Electronic Components

KOA RK73B1ETTP103J

ModelRK73B1ETTP103J
Package402
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 RK73B1ETTP103J
Type
KOA
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
KOA
Electronic Component
RK73B1ETTP103J
Electronic Component
1
Package
402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.011g
Electronic Component
10kΩ
Electronic Component
1
Electronic Component
BM0096011705
Operating Temperature
55℃~+155℃
Operating Voltage
75V
Electronic Component
±200ppm/℃

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

RK73B1ETTP103J — KOA RK73B 系列 10kΩ 0402 厚膜电阻产品概述

一、产品简介

RK73B1ETTP103J 是 KOA Speer Electronics 推出的 RK73B 系列微型厚膜片式电阻,标称阻值 10 kΩ,公差 ±5%,功率额定 0.1W(1/10W),封装 0402(1005 公制)。该型号为汽车级 AEC-Q200 认证、具防潮特性的活动件,适合在苛刻环境下长期稳定工作。

二、主要特性

  • 制造商:KOA Speer Electronics, Inc.;系列:RK73B。
  • 阻值/公差:10 kΩ / ±5%。
  • 功率:0.1 W(1/10W,厚膜)。
  • 温度系数:±200 ppm/°C。
  • 工作温度范围:-55°C 到 +155°C。
  • 等级/认证:AEC-Q200(汽车级);防潮处理。
  • 封装尺寸:0402(1005),尺寸 0.039" × 0.020"(1.00 mm × 0.50 mm);最大高度 0.016"(0.40 mm)。
  • 引脚数:2;包装:卷带(TR)。

三、典型应用场景

  • 汽车电子:ECU、车身控制模块、传感器接口等需 AEC-Q200 认证的车规电路。
  • 信号处理:作为上拉/下拉电阻、输入偏置、阻容滤波和分压网络。
  • 工业与消费类电子:对体积、可靠性有要求的小型化印制板设计。
  • 生产/维修替换件:卷带包装适用于高速贴片与自动化装配线。

四、关键规格说明

该件采用厚膜工艺,具备良好的成本效益和尺寸适配性。TCR ±200 ppm/°C 表明在温度变化下阻值稳定性属于中等水平,适用于一般用途电路;对高精度测量或温漂敏感的应用建议选用更低 TCR 的电阻(如金属膜)。厚膜结构相对于薄膜在噪声与长期漂移方面略逊,但在耐环境性与机械强度上表现可靠。

五、封装与焊接建议

  • 封装 0402,适配标准 0402 焊盘布局;最大安装高度 0.40 mm,便于超薄设计。
  • 兼容常规回流焊工艺;建议遵循制造商回流温度规范与焊膏推荐。
  • 贴装时注意避免过度机械应力与弯折,焊膏量与焊盘尺寸应保证良好焊点。

六、设计与使用注意事项

  • 功率与热降额:额定 0.1 W 在环境温度较高时需进行热降额处理;请参考厂家热功率降额曲线以确保可靠运行。
  • 精度与配对:5% 公差适合一般功能电路;若为精密分压或测量,应选择更高精度等级。
  • 潮湿与清洁:具防潮特性,但在回流与清洗流程中仍应控制化学及机械应力,避免影响长期可靠性。

七、可靠性与测试

作为 AEC-Q200 认证零件,RK73B 系列通过了汽车级温循环、高低温存储、湿热、机械冲击等严格可靠性测试,适合车规级应用的长期稳定性要求。

八、采购与替代建议

  • 供应包装为卷带(TR),便于 SMT 生产线直接上料。
  • 订购型号:RK73B1ETTP103J(KOA)。
  • 替代选择:若需要更高精度或更低 TCR,可考虑同尺寸的金属膜或薄膜车规件;若需不同公差或阻值,可在 RK73B 系列中查找相近型号。

总结:RK73B1ETTP103J 以其 0402 超小体积、车规认证与防潮处理,适用于对空间与可靠性有严格要求的应用场景。针对具体温度、功率与精度需求,建议在设计阶段结合制造商数据表与热降额曲线进行校核。

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