WMSIC Electronic Components

ERA3AEB1242V

ModelERA3AEB1242V
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 ERA3AEB1242V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERA3AEB1242V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.03g
Electronic Component
12.4kΩ
Electronic Component
1
Electronic Component
BM0264567905
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.

ERA3AEB1242V 薄膜贴片电阻产品概述

ERA3AEB1242V是松下(PANASONIC)推出的一款高精度薄膜表面贴装电阻,针对小功率、宽温域、高稳定性的应用场景设计,凭借优异的参数表现和成熟的封装工艺,广泛适配消费电子、工业控制等领域的电路需求。

一、产品基本属性

该电阻属于薄膜电阻类别,采用表面贴装(SMD)封装,型号编码对应核心特征:

  • “ERA”为松下薄膜电阻系列标识;
  • “3”对应0603封装规格;
  • “AE”代表精度等级(±0.1%);
  • “B1242”表示阻值12.4kΩ(前三位“124”为有效数字,第四位“2”为倍率10²);
  • “V”为产品版本/封装细节标识。

薄膜电阻的核心优势在于电阻膜均匀性好,相比厚膜、碳膜电阻,阻值精度更高、温度系数更低,适合对电性能稳定性要求严苛的电路。

二、关键性能参数解析

ERA3AEB1242V的参数围绕“高精度、宽温稳”设计,具体如下:

  1. 阻值与精度:阻值12.4kΩ(12400Ω),精度±0.1%——远高于普通电阻(±1%/±5%),可满足分压、限流、信号调理等对阻值误差敏感的需求,避免信号失真或功能异常;
  2. 功率与电压:额定功率100mW(0.1W),额定工作电压75V——0603小封装下实现合理功率密度,适配多数小功率电路(如传感器信号放大、微控制器外围电路);
  3. 温度系数(TCR):±25ppm/℃——温度每变化1℃,阻值变化约0.0025%,宽温环境下保持稳定,降低电路性能漂移风险;
  4. 工作温度范围:-55℃~+155℃——覆盖工业级宽温要求,可在低温(极地设备)、高温(车载发动机舱)环境长期稳定工作,无需额外温度补偿。

三、封装与尺寸特征

采用0603封装(英制0.06″×0.03″,公制1.6mm×0.8mm),具备以下特点:

  • 体积小巧:适配高密度PCB布局,缩小电子设备体积(如智能手机、智能手表主板);
  • 贴装兼容:符合主流SMT生产线要求,可与其他0603封装元器件同步贴装,提高生产效率;
  • 散热合理:优化电阻膜结构,保证100mW功率下的散热效率,避免局部过热。

四、典型应用场景

结合参数与封装,适用于以下场景:

  1. 消费电子:智能手机音频信号调理(耳机分压、音量控制)、摄像头曝光控制;
  2. 工业控制:PLC模拟量输入模块、传感器信号放大电路、工业仪器校准网络;
  3. 汽车电子:车载胎压监测(TPMS)信号处理、摄像头白平衡电路(宽温适配);
  4. 通信设备:路由器/基站射频前端滤波、数字电路精密电阻网络;
  5. 医疗电子:血糖仪、电子血压计信号采集(对精度稳定性要求高)。

五、可靠性与品质保障

作为松下产品,具备可靠品质:

  • 生产工艺:真空镀膜形成电阻膜,确保均匀性,减少阻值漂移;
  • 测试验证:出厂全参数测试(阻值、精度、温系等),符合JIS C 5201、IEC 61039标准;
  • 长期稳定:加速老化测试显示,长期使用阻值变化率<0.1%,满足设备5~10年寿命要求;
  • 环境适应:通过IEC 60068-2-6(振动)、IEC 60068-2-11(湿热)等可靠性测试。

综上,ERA3AEB1242V凭借高精度、宽温稳、小体积的特点,成为精密电阻场景的优选方案,尤其适合工业级、消费级对电性能一致性要求高的应用。

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