WMSIC Electronic Components

ERA2AEB121X

ModelERA2AEB121X
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 ERA2AEB121X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
63mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERA2AEB121X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.011g
Electronic Component
120Ω
Electronic Component
1
Electronic Component
BM0257349579
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.

PANASONIC ERA2AEB121X 薄膜贴片电阻产品概述

一、产品核心身份与定位

PANASONIC ERA2AEB121X是一款高精度小功率薄膜贴片电阻,属于松下工业级电阻系列的核心型号。型号编码中:“ERA2A”为松下薄膜贴片电阻基础系列标识,“EB”对应精度与温度系数等级,“121”为E96系列阻值编码(12×10¹=120Ω),“X”代表无铅环保版本。该产品针对阻值精度、温度稳定性要求严苛的电路设计,是替代传统低精度电阻的优选方案。

二、关键电气性能参数详解

该电阻的核心参数完全支撑其高精度应用需求,具体如下:

  • 阻值与精度:标称阻值120Ω,精度±0.1%——远高于普通碳膜(±5%)、金属膜(±1%)电阻,可有效降低电路信号失真、测量误差;
  • 功率与电压:额定功率63mW,最大工作电压50V——适配低功耗电路(如传感器信号调理、小信号放大),避免功率过载;
  • 温度系数:±25ppm/℃——温度每变化1℃,阻值漂移≤25×10⁻⁶Ω,是普通电阻(±100ppm/℃)的1/4,宽温下稳定性优异;
  • 阻值编码:符合E96国际规范,便于电路设计与物料管理。

三、封装与物理特性

ERA2AEB121X采用0402封装(英制,对应公制1005:1.0mm×0.5mm×0.3mm),具备以下优势:

  • 体积紧凑:主流小型化封装之一,大幅降低PCB布局面积,适配高密度电路(如智能手机、智能穿戴主板);
  • 贴装兼容:符合SMD工艺标准,支持自动化贴装与回流焊,生产效率高,适合批量制造;
  • 焊接可靠:两端电极设计,抗机械应力能力强,焊接良率高。

四、典型应用场景

结合高精度、宽温、小体积特点,该电阻广泛应用于:

  1. 精密测量仪器:示波器、数字万用表的信号调理电路(分压、电流采样),确保测量精度达千分之一级;
  2. 工业控制模块:PLC模拟量I/O通道、传感器信号放大电路,适应-55℃~+155℃工业环境;
  3. 汽车电子:车身控制单元(BCM)低功耗电路、车载传感器(温度/压力)信号处理,符合汽车级可靠性要求;
  4. 高端消费电子:旗舰手机射频前端滤波、音频解码增益调节,提升信号纯度;
  5. 通信设备:基站小信号处理、光纤收发器偏置电路,满足高稳定性与抗干扰需求。

五、可靠性与环境适应性

该产品可靠性设计覆盖工业/汽车级需求:

  • 宽温工作:-55℃~+155℃,无需额外散热/温度补偿,适配全球多数应用场景;
  • 薄膜特性:镍铬合金电阻体,低噪声(热/电流噪声)、长期稳定性强,阻值漂移率远低于普通电阻;
  • 环保抗恶劣环境:符合RoHS 2.0、REACH标准,无铅无卤;抗硫化、抗潮湿,可在高湿/含硫工业环境中长期工作。

六、品牌与品质优势

作为松下旗下产品,ERA2AEB121X具备显著优势:

  • 成熟工艺:数十年薄膜电阻生产经验,高精度真空镀膜+激光微调,确保阻值一致性;
  • 严格品控:全参数批次检测,不合格率低于行业平均,适配严苛品质要求;
  • 供应链保障:全球生产分销网络,稳定供应批量订单,支持客户量产;
  • 技术支持:专业文档与售后支持,助力电路设计选型与应用优化。

综上,PANASONIC ERA2AEB121X凭借高精度、宽温稳定性、小体积与高可靠性,成为精密电子电路的核心元件,广泛适配工业、汽车、消费电子等多领域高端应用需求。

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