WMSIC Electronic Components

ERA2AEB183X

ModelERA2AEB183X
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 ERA2AEB183X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
63mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERA2AEB183X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.015g
Electronic Component
18kΩ
Electronic Component
1
Electronic Component
BM0257349724
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.

ERA2AEB183X 薄膜贴片电阻产品概述

一、产品核心身份与定位

ERA2AEB183X是松下(PANASONIC)推出的高精密薄膜贴片电阻,属于低功率精密电阻范畴,核心定位为小型化、高稳定性电路提供阻值精准、温度漂移小的信号调理与分压解决方案。其适配自动化贴装工艺,可满足消费电子、工业控制、医疗仪器等领域对终端产品小型化、高精度的需求。

二、关键技术参数详解

该型号电阻的核心参数直接支撑其高精密特性,具体解读如下:

  1. 阻值与精度:标称阻值18kΩ(阻值代码“183”表示18×10³Ω),精度±0.1%——远超普通0.5%、1%精度电阻,可有效降低电路信号误差,适合精密测量、放大电路;
  2. 功率与电压:额定功率63mW(低功耗设计,适配电池供电设备),额定工作电压50V;需注意实际最大工作电压由功率限制,计算得√(18000Ω×0.063W)≈33.7V,使用时需确保实际功耗不超额定值;
  3. 温度稳定性:温度系数(TCR)±25ppm/℃——温度每变化1℃,阻值仅变化±25×10⁻⁶,远优于厚膜电阻(通常50~100ppm/℃),宽温环境下阻值稳定性突出;
  4. 工作温度范围:-55℃~+155℃——覆盖工业级与车载部分场景(如户外设备、车载传感器),适应极端温度变化。

三、封装工艺与物理特性

  1. 封装类型:0402(英制0.04×0.02英寸,公制约1.0×0.5mm)——体积紧凑,可显著节省PCB空间,适配智能手表、蓝牙耳机等便携式设备的高密度布局;
  2. 工艺优势:采用薄膜电阻工艺(真空溅射沉积电阻膜),相比厚膜电阻:
    • 阻值一致性更好(批量生产偏差极小);
    • 高频特性更优(适合射频电路附近的信号调理);
    • 噪声更低(减少电路本底噪声);
  3. 贴装兼容性:两端金属电极可兼容回流焊、波峰焊工艺,贴装效率高,适合大规模自动化生产。

四、典型应用场景

ERA2AEB183X的高精密与小体积特性,使其适用于以下场景:

  1. 便携式消费电子:智能手机音频前置放大、智能手表电源反馈网络(需高精密分压);
  2. 工业控制与传感器:温度/压力传感器信号放大电路(宽温适应工业现场);
  3. 医疗电子仪器:小型血糖仪、监护仪信号采集电路(稳定阻值确保测量精度);
  4. 汽车电子辅助电路:车载摄像头信号调理、胎压监测分压网络(宽温符合车载环境)。

五、松下品牌品质背书

松下作为全球电子元器件龙头,其薄膜电阻品控具备以下优势:

  1. 工艺成熟度:数十年薄膜电阻生产经验,电阻膜厚度均匀性控制精准,批量产品TCR与精度一致性达行业领先;
  2. 可靠性验证:通过高温存储、温度循环、湿度测试等多项国际标准(IEC、JIS)验证,长期稳定性可靠;
  3. 供应链稳定:产能充足,可满足终端厂商大规模采购需求,减少交货周期风险。

六、选型与使用注意事项

  1. 功率电压匹配:实际电路需确保功耗P≤63mW,或电压V≤33.7V(R×P计算),避免过功率损坏;
  2. 温度范围限制:使用环境温度需控制在-55℃~+155℃内,超出范围可能导致阻值漂移;
  3. 贴装工艺要求:0402封装需符合IPC标准焊盘设计(间距、尺寸),避免虚焊或桥接;
  4. 精度适配:仅推荐用于±0.1%精度场景,若精度要求为0.5%/1%,可选择成本更低的厚膜电阻替代。

该型号电阻以高精密、小体积、宽温稳定为核心优势,是小型化精密电路的理想选择。

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