WMSIC Electronic Components

ERA2AEB203X

ModelERA2AEB203X
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 ERA2AEB203X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
63mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERA2AEB203X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.011g
Electronic Component
20kΩ
Electronic Component
1
Electronic Component
BM0264850033
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.

ERA2AEB203X 松下薄膜贴片电阻产品概述

一、产品核心身份与定位

ERA2AEB203X是松下电子推出的高精密薄膜贴片电阻,属于其薄膜电阻系列中的小型化主力型号。该产品以0402(英制封装,对应公制1005)为核心设计,聚焦低功耗精密电路的精度稳定性需求,适配对阻值精度、温度系数及环境适应性有严格要求的应用场景,是消费电子、工业控制、医疗仪器等领域的高性价比选型。

二、关键电性能参数解析

该型号的参数直接指向“精密稳定”的设计目标,核心指标如下:

  1. 阻值与精度:标称阻值20kΩ(代码标识“203”),精度达±0.1%——远高于常规厚膜电阻(多为±1%~±5%),可满足精密信号调理、校准电路的阻值一致性要求;
  2. 功率与电压:额定功率63mW,最大工作电压50V,适配低功耗、小电流(约2.5mA@50V)的精密电路,避免功率过载风险;
  3. 温度系数(TC):±25ppm/℃——薄膜电阻的典型低TC特性,意味着环境温度变化1℃时,阻值变化仅0.0005Ω(20kΩ×25ppm),大幅降低温度波动对电路性能的影响;
  4. 封装规格:0402封装(尺寸约1.0mm×0.5mm),符合高密度PCB设计趋势,适合便携设备、小型模块的集成需求。

三、薄膜电阻工艺的核心优势

ERA2AEB203X采用真空溅射薄膜工艺,区别于厚膜电阻的丝网印刷工艺,具备三大核心优势:

  • 精度可控性:薄膜层厚度均匀性远优于厚膜,阻值一致性更好,批量生产的精度离散性极小;
  • 温度稳定性:薄膜电阻的TC普遍低于厚膜(厚膜多为±100ppm/℃以上),更适合宽温区连续工作;
  • 长期可靠性:薄膜层与陶瓷基片结合紧密,抗老化、抗潮湿性能更强,长期使用阻值漂移率≤0.1%(松下内部测试标准)。

四、典型应用场景

基于上述参数与工艺优势,该型号主要适用于以下场景:

  1. 精密测量仪器:数字万用表、示波器的校准电路、信号放大模块,依赖其高精准度保证测量误差可控;
  2. 消费电子精密模块:智能手机、智能手表的传感器信号调理电路(如加速度计、陀螺仪的偏置校准),兼顾小型化与稳定性;
  3. 工业控制电路:PLC的模拟量输入输出模块、温度传感器信号处理单元,宽温区(-55℃~+155℃)适配工业现场环境;
  4. 医疗电子设备:监护仪、血糖仪的信号放大与滤波电路,需严格控制阻值漂移以保证医疗数据准确性。

五、可靠性与环境适应性

松下对该型号的可靠性设计体现在两点:

  • 宽温工作范围:-55℃至+155℃的工作温度区间,覆盖绝大多数工业、车载及消费电子的环境温度需求;
  • 环保与品质认证:符合RoHS、REACH等环保标准,同时通过松下内部的长期可靠性测试(高温老化、湿度循环、机械冲击),保证5年以上的性能稳定。

六、选型与应用注意事项

为充分发挥该型号性能,需注意以下细节:

  1. 功率降额:实际电路功耗建议控制在额定功率的50%~70%(即≤44mW),延长使用寿命;
  2. 电压限制:避免超过50V的工作电压,防止绝缘击穿;
  3. 封装匹配:0402封装需对应PCB焊盘尺寸(建议焊盘长度0.60.7mm,宽度0.30.4mm),确保回流焊工艺可靠性;
  4. 精度场景匹配:若应用场景对精度要求低于±0.1%(如普通分压电路),可考虑松下同系列低精度型号以降低成本,但高精密场景需优先选择该型号。

总结而言,ERA2AEB203X是一款小型化、高精密、宽温稳定的薄膜贴片电阻,精准匹配了现代电子设备对“精度+密度+可靠性”的三重需求,是松下在精密电阻领域的代表性产品之一。

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