WMSIC Electronic Components

ERJ3EKF5903V

ModelERJ3EKF5903V
Package0603
BrandPANASONIC
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
PANASONIC ERJ3EKF5903V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ3EKF5903V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
590kΩ
Electronic Component
1
Electronic Component
BM0264048253
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.

ERJ3EKF5903V厚膜电阻器产品概述

一、产品基本定位

ERJ3EKF5903V是松下(PANASONIC)推出的0603封装厚膜表面贴装电阻器,属于通用型电阻产品线,核心定位为「高性价比小型化厚膜电阻」。该产品针对低功耗、高密度电子电路设计,兼顾性能稳定性与成本效益,广泛适配消费类、工业及部分汽车电子应用场景,无需额外高精度/高功率电阻的成本投入即可满足多数常规电路需求。

二、核心性能参数详解

该电阻的关键参数可支撑多种电路设计需求,具体如下:

  1. 阻值与精度:标称阻值590kΩ,精度±1%——覆盖模拟电路、信号调理电路的匹配需求,无需额外调试高精度电阻;
  2. 功率容量:额定功率100mW——适配便携式设备、传感器模块等低功耗场景,高温环境需遵循功率降额原则;
  3. 温度系数:±100ppm/℃——温度每变化1℃,阻值变化约0.01%,宽温范围内保持稳定,满足工业级环境波动;
  4. 工作电压:额定75V——设计时需控制电压不超过此值,避免击穿风险;
  5. 工作温度范围:-55℃+155℃——覆盖工业级(-40+85℃)、部分汽车级(-55~+125℃)及高温模块(如电源内部)的温度需求。

三、封装与尺寸规格

采用0603英制表面贴装封装(对应公制1608,尺寸约1.6mm×0.8mm×0.4mm),具备以下优势:

  • 空间效率:节省PCB布局空间,适配智能穿戴、小型传感器等高密度电路;
  • 生产兼容性:适配标准SMT生产线,支持回流焊、波峰焊(需控制温度)批量组装,生产效率高;
  • 机械稳定性:陶瓷基底结构抗机械应力,适合小型设备的振动环境。

四、主要应用场景

基于性能与封装特点,该电阻典型应用包括:

  1. 消费类电子:智能手环、蓝牙耳机、便携式音箱的信号调理、电源分压电路;
  2. 工业控制:PLC输入输出接口、传感器信号放大电路(宽温需求);
  3. 汽车电子辅助:车载显示屏背光控制、传感器信号处理(部分符合汽车级温度);
  4. 医疗小型组件:血糖监测仪、小型呼吸机的电路模块(低功耗+稳定性);
  5. 通信终端:小型路由器、物联网终端的射频匹配电路(小型化需求)。

五、可靠性与品质保障

作为松下品牌产品,ERJ3EKF5903V具备可靠品质:

  1. 工艺一致性:松下成熟厚膜印刷工艺,批量产品阻值一致性高,减少电路调试难度;
  2. 环境抗性:厚膜结构抗潮湿、抗机械应力能力优于薄膜电阻,适合复杂环境;
  3. 长寿命设计:符合工业级可靠性标准,额定参数下可稳定工作数万小时,降低维护成本。

六、使用注意事项

为确保性能稳定,需注意以下要点:

  1. 降额使用:125℃以上环境需将功率降额至50%以下,电压控制在75V内;
  2. 焊接工艺:回流焊峰值温度240~260℃(时间≤10秒),避免过热导致阻值漂移;
  3. 存储条件:未使用电阻存储在-20~+40℃、湿度≤60%环境,防止潮湿影响焊接;
  4. 静电防护:组装过程需ESD防护,避免静电损坏电阻。

总结

ERJ3EKF5903V以平衡的性能(精度、宽温、小型化)和成本优势,成为常规电子电路的可靠选择,尤其适合对空间敏感、低功耗及宽温环境的应用场景,是松下厚膜电阻产品线中的经典通用型号。

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