WMSIC Electronic Components

ERA2AEB202X

ModelERA2AEB202X
Package0402
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 ERA2AEB202X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
63mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERA2AEB202X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.011g
Electronic Component
2kΩ
Electronic Component
1
Electronic Component
BM0264567900
Operating Temperature
55℃~+155℃
Operating Voltage
50V
Electronic Component
±25ppm/℃
Resistor Type
Resistor

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

ERA2AEB202X 高可靠性薄膜贴片电阻器产品概述

一、产品定位与核心优势

ERA2AEB202X是松下推出的工业级精密薄膜贴片电阻,针对对阻值精度、温度稳定性、宽温可靠性要求严苛的场景设计。核心优势聚焦“高精度+宽温稳定+小封装适配”三大维度,尤其适合需要小型化、高可靠的电子设备,能平衡性能与成本,满足多数精密电路的核心需求。

二、基础参数与性能解析

该型号的关键参数及实际应用意义可拆解为:

  • 阻值与精度:标称阻值2kΩ(阻值代码“202”对应20×10²),精度±0.1%——实际阻值偏差≤2Ω,可满足医疗监护仪、传感器信号调理等对阻值一致性要求严格的场景,避免因阻值误差导致信号失真;
  • 功率与电压:额定功率63mW,最大工作电压50V——需注意实际使用时需根据环境温度、安装密度降额(如125℃时需降额至额定功率的50%),避免过热损坏;
  • 温度特性:温度系数(TCR)±25ppm/℃,工作温度范围-55℃~+155℃——温漂极小(温度变化100℃时,阻值仅变化5Ω),可在极端工业环境(如高温炉、低温户外设备)中稳定工作;
  • 封装:0402封装(英制0.04×0.02英寸,公制1.0×0.5mm)——体积小、重量轻,适配高密度PCB设计(如智能手机、通信基站的小型化模块),提升电路集成度。

三、可靠性设计与工艺特点

松下采用金属薄膜沉积工艺(非碳膜/金属膜),确保该型号具备:

  1. 低噪声特性:薄膜电阻的电流噪声系数(~0.1μV/V)远低于常规电阻,适合音频电路、微弱信号放大(如心电图机)等低噪声要求场景;
  2. 抗环境应力:封装采用耐高温环氧树脂,可承受回流焊(峰值260℃)、波峰焊等贴片工艺,且抗振动(10g/50-2000Hz)、抗冲击(1000g/0.1ms)性能符合工业级标准;
  3. 长期稳定性:老化测试后阻值变化≤0.1%/1000小时,适合长期运行的设备(如工业PLC、医疗输液泵),降低维护成本。

四、典型应用场景

结合参数特性,该型号广泛应用于:

  • 工业自动化:PLC输入输出模块、传感器桥路(如压力传感器、温度传感器的分压电阻);
  • 医疗设备:监护仪信号放大电路、输液泵流量控制电路(需高可靠、低噪声);
  • 通信设备:基站RRU滤波电路、光纤收发器分压电路(适配0402小封装);
  • 汽车电子(扩展):部分车载工业级设备(如车载诊断仪)的宽温电路(155℃余量提升极端环境可靠性)。

五、选型与使用注意事项

  1. 功率降额:环境温度超过70℃时,需按松下 datasheet 降额(100℃时降额至60%,155℃时降额至30%),避免过热;
  2. 焊接兼容性:采用0402标准回流焊曲线(预热150-180℃/60-120s,回流220-245℃/30-60s),避免温度过高导致阻值漂移;
  3. 存储条件:未开封产品存于-20~30℃、湿度≤60%环境,开封后12个月内使用完毕,防止受潮影响性能。

ERA2AEB202X凭借松下薄膜工艺优势,在高精度、宽温可靠、小封装等方面表现突出,是工业、医疗、通信等领域精密电路设计的理想选择。

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