WMSIC Electronic Components

ERA3AEB242V

ModelERA3AEB242V
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 ERA3AEB242V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERA3AEB242V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.026g
Electronic Component
2.4kΩ
Electronic Component
1
Electronic Component
BM0264570328
Operating Temperature
55℃~+155℃
Operating Voltage
75V
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.

PANASONIC ERA3AEB242V 高可靠性薄膜贴片电阻器产品概述

一、产品基本属性定位

PANASONIC ERA3AEB242V是一款工业级高精密薄膜贴片电阻,核心定位为对阻值精度、环境稳定性要求严苛的场景(如医疗、工业控制、通信等)。该电阻采用贴片封装适配自动化贴装,体积紧凑,是替代常规厚膜电阻的高可靠性方案,兼具“高精度+宽温稳定+长寿命”三大核心优势。

二、核心性能参数详解

参数围绕“高精密、宽温耐受”设计,关键指标及实际意义如下:

  1. 阻值与精度:标称阻值2.4kΩ(标识代码“242”=24×10²Ω),精度±0.1%——远高于常规厚膜电阻(±1%~±5%),可满足信号调理、基准电压等对阻值偏差敏感的电路需求;
  2. 功率与电压限制:额定功率100mW(0.1W),最大工作电压75V(注意:实际持续工作电压需结合功率计算,V≤√(P×R)=√(0.1W×2400Ω)≈15.5V,避免误将75V作为持续电压);
  3. 温度系数(TC):±25ppm/℃——温度每变化1℃,阻值漂移±25×10⁻⁶;若环境温差达100℃(如-55℃→+45℃),阻值变化仅±0.25%,宽温下稳定性优异;
  4. 工作温度范围:-55℃~+155℃——覆盖工业级极端环境(户外设备、高温热源附近电路等)。

三、工艺与设计优势

  1. 真空溅射薄膜工艺:相比厚膜丝网印刷,薄膜层均匀性提升30%以上,阻值漂移更小,是实现±0.1%精度的核心基础;
  2. 激光微调技术:通过激光精准蚀刻薄膜层,避免机械调整的可靠性隐患,阻值偏差控制在±0.1%以内;
  3. 端电极可靠性设计:采用“镍阻挡层+无铅锡镀层”结构,耐回流焊温度(≥260℃)、抗焊接应力,焊接后阻值变化率≤0.05%;
  4. 紧凑封装:适配0805/0603等主流贴片封装(需结合选型手册确认具体尺寸),满足高密度PCB设计需求。

四、典型应用场景

该电阻的参数特性决定其适合以下高要求场景:

  1. 工业控制:PLC信号调理电路、传感器(温度/压力)放大电路,需宽温稳定的阻值匹配;
  2. 医疗电子:监护仪心率/血氧信号处理、诊断设备基准电压电路,需高可靠性(避免故障)和精度(确保检测准确);
  3. 通信基础设施:基站射频电路、路由器信号衰减网络,需高密度贴装且阻值稳定;
  4. 测试测量仪器:示波器垂直放大器、万用表基准电阻,需±0.1%级精度控制测量误差;
  5. 汽车辅助系统:车载胎压监测、温度传感器信号处理,适配-40℃~+125℃车载环境(电阻温宽覆盖此需求)。

五、可靠性与环境适应性

  1. 温度循环验证:-55℃~+155℃循环1000次,阻值变化率≤0.1%,符合工业级可靠性标准;
  2. 耐湿性能:85℃/85%RH环境测试1000小时,阻值漂移≤0.2%,优于常规厚膜电阻;
  3. 长期稳定性:常温存储1000小时,阻值变化≤0.05%,适合医疗、通信等长期运行设备;
  4. 环保合规:符合RoHS、REACH指令,无铅焊接兼容,适配现代制造需求。

六、选型与使用建议

  1. 功率降额:实际使用功率建议不超过50mW(额定值的50%),提升长期可靠性;
  2. 封装匹配:需根据PCB设计确认封装类型(如0805封装尺寸2.0mm×1.25mm);
  3. 散热注意:若应用温度接近155℃,需预留散热空间,避免局部过热导致功率超额定。

该电阻凭借松下的工艺优势与参数平衡,是高精密、宽温场景下的高性价比选择,可有效降低电路设计的可靠性风险。

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