WMSIC Electronic Components

ERA3AEB304V

ModelERA3AEB304V
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 ERA3AEB304V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERA3AEB304V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.03g
Electronic Component
300kΩ
Electronic Component
1
Electronic Component
BM0264567935
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.

ERA3AEB304V 薄膜贴片电阻产品概述

一、产品基本属性与品牌定位

ERA3AEB304V是松下(PANASONIC) 推出的精密薄膜贴片电阻,属于其高稳定性电阻系列的核心型号之一。松下作为全球电子元器件领域的标杆品牌,其薄膜电阻以“低温漂、高精度、高可靠性”为技术标签,该型号针对小型化精密电路设计,填补了0603封装下±0.1%精度薄膜电阻的市场空白,适用于对阻值一致性和环境适应性要求严苛的场景。

二、关键性能参数详解

该型号的核心参数直接决定了其应用边界,需重点关注以下维度:

1. 阻值与精度

  • 标称阻值:300kΩ(电阻代码“304”对应E96系列规范,即30×10^4Ω);
  • 精度等级:±0.1%,属于精密级电阻(普通厚膜电阻精度多为±1%~±5%)。
    实际意义:在模拟信号分压电路中,若以10V基准电压分压至1V,该电阻带来的输出偏差仅为10mV(远优于±1%电阻的100mV偏差),可显著提升信号采集的准确性。

2. 功率与电压额定值

  • 额定功率:100mW,匹配0603封装的物理空间限制,适合低功耗电路(如电池供电的便携式设备);
  • 连续工作电压:75V,为安全工作电压上限,避免高压击穿风险,兼容多数工业级电路的电压范围(如PLC模拟量模块的24V~48V供电)。

3. 温度系数(TCR)

  • 指标:±25ppm/℃,即温度每变化1℃,阻值变化量为300kΩ×25×10^-6=7.5Ω;
  • 优势:远低于厚膜电阻(通常±100ppm/℃以上),可稳定应对环境温度波动(如户外传感器的-20℃~+60℃温差)。

4. 工作温度范围

  • 范围:-55℃~+155℃,覆盖工业级产品的极端温区要求,可在极地设备(低温)或汽车发动机舱周边电路(高温)中持续稳定工作。

三、封装与物理特性

采用0603封装(英制:0.06英寸×0.03英寸;公制:1.6mm×0.8mm),是贴片电阻的常规小型化封装,具有以下特点:

  • 高密度布局适配:小尺寸适合智能手机、智能穿戴设备等高密度PCB设计;
  • 焊接兼容性:支持回流焊、波峰焊等常规SMT工艺,与现有生产线无缝适配;
  • 功率-体积平衡:在1.6mm×0.8mm的体积内实现100mW功率输出,满足低功耗电路的核心需求。

四、典型应用场景

ERA3AEB304V的性能参数使其成为以下领域的优选元件:

1. 工业控制

  • PLC模拟量输入模块(需高精度电阻保证4~20mA信号采集的线性度);
  • 伺服电机位置反馈电路(温漂低,避免温度变化导致的位置偏差)。

2. 医疗电子

  • 监护仪心率/血氧信号调理电路(精度高,确保医疗数据的可靠性);
  • 输液泵流量控制电路(宽温区,适应医院不同环境温度)。

3. 通信设备

  • 5G基站射频前端偏置电路(低温漂,适配基站内的温度波动);
  • 光纤收发器信号衰减电路(精度稳定,保证光信号传输质量)。

4. 汽车电子

  • 胎压监测传感器信号处理电路(宽温区,应对-40℃~+85℃的车载环境);
  • 车载音响前置放大电路(低噪声薄膜电阻,提升音频信噪比)。

五、可靠性与质量保障

松下对该型号的可靠性设计体现在:

  • 工艺优势:采用真空溅射工艺形成电阻膜,相比厚膜电阻的丝网印刷工艺,膜层更均匀,阻值偏差和温漂更低;
  • 认证合规:符合RoHS、REACH环保标准,同时通过AEC-Q200(汽车电子可靠性标准)等行业认证;
  • 长期稳定性:经1000小时高温老化测试,阻值漂移率≤0.05%,可保证产品生命周期内的性能一致性。

六、总结

ERA3AEB304V是一款专为精密电子设计的薄膜贴片电阻,以**±0.1%高精度、±25ppm/℃低温漂、-55℃~+155℃宽温区**为核心优势,适配0603封装的小型化需求,广泛应用于工业、医疗、通信等对电阻性能要求严苛的领域,是松下精密电阻系列中的经典型号。

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