WMSIC Electronic Components

ERA2AEB163X

ModelERA2AEB163X
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 ERA2AEB163X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
63mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERA2AEB163X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.015g
Electronic Component
16kΩ
Electronic Component
1
Electronic Component
BM0264567917
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.

ERA2AEB163X 贴片薄膜电阻产品概述

一、产品基本信息与定位

ERA2AEB163X是松下(PANASONIC) 旗下的高精度贴片薄膜电阻,采用0402(英制封装,对应公制1005)小型化设计,核心参数匹配16kΩ阻值、±0.1%精度、63mW额定功率,属于工业级/高精度场景专用的基础无源器件。该产品针对高密度PCB布局、极端温度环境及信号精度要求高的应用场景优化,是松下薄膜电阻系列中定位“高稳定、小体积、高精度”的典型型号。

二、核心性能参数详解

1. 阻值与精度

  • 标称阻值:16kΩ(符合电阻命名规则:“163”表示16×10³Ω);
  • 精度等级:±0.1%,属于行业内“高精度”范畴(远高于普通厚膜电阻±1%的常规精度),可满足精密信号调理、分压反馈等场景对阻值一致性的要求。

2. 功率与电压限制

  • 额定功率:63mW(接近0402封装的标准功率上限1/16W≈62.5mW,为松下优化后的规格);
  • 额定工作电压:50V;
  • 实际使用需同时满足两个限制:① 工作功率≤63mW;② 工作电压≤50V。例如:当阻值16kΩ时,最大允许电流≈1.98mA(由P=I²R计算),对应最大电压≈31.7V(由V=IR计算),需注意电压/功率的互锁关系。

3. 温度稳定性

  • 温度系数(TCR):±25ppm/℃,是薄膜电阻的核心优势(厚膜电阻TCR通常≥100ppm/℃)。该参数表示:温度每变化1℃,阻值变化±25×10⁻⁶×16kΩ=±0.04Ω,可有效降低极端温度下的阻值漂移(如-55℃~+155℃范围内,总阻值变化≤±0.4%)。

4. 工作环境范围

  • 工作温度:-55℃~+155℃,覆盖工业级(-40℃+85℃)、汽车级(-40℃+125℃)及高温场景(如LED驱动、电源模块)的温度需求;
  • 储存温度:符合松下无源器件标准(通常-55℃~+125℃)。

三、封装与工艺特点

1. 0402小型化封装

  • 尺寸:英制0402(长0.04英寸×宽0.02英寸,约1.0mm×0.5mm),适合智能手机、智能穿戴、汽车电子等高密度PCB设计;
  • 引脚设计:采用两端贴片式电极,兼容SMT自动化焊接,焊接可靠性符合IPC标准。

2. 薄膜电阻工艺

  • 采用镍铬合金薄膜(Ni-Cr)为电阻体(松下专利工艺),相比厚膜电阻(钌基浆料):
    • 阻值一致性更好(精度可达±0.01%~±0.1%);
    • 温度系数更低(TCR≤±50ppm/℃,该型号为±25ppm/℃);
    • 长期稳定性更高(负载寿命测试中,1000小时额定功率下阻值变化≤±0.1%)。

3. 表面处理

  • 电极采用镍层+锡铅/无铅镀层(符合RoHS标准),可兼容有铅/无铅焊接工艺,减少焊接不良率。

四、典型应用场景

1. 工业自动化设备

  • 信号调理电路(如传感器输出的微弱信号放大、分压校准);
  • PLC(可编程逻辑控制器)的模拟量输入模块(需高精度电阻实现A/D转换的线性度)。

2. 汽车电子

  • 车载传感器(如胎压监测、温度传感器)的信号处理电路;
  • 汽车仪表盘的背光驱动、LED显示电路(宽温区适应-40℃~+125℃环境)。

3. 高精度测量仪器

  • 数字万用表的分压电阻网络(实现多量程电压测量);
  • 示波器的垂直放大器校准电阻(保证信号幅度精度)。

4. 通信设备

  • 射频/中频电路的匹配电阻(低噪声、稳定阻值保证信号传输质量);
  • 基站电源模块的反馈电阻(宽温区减少输出电压漂移)。

五、选型与使用注意事项

1. 参数匹配原则

  • 需根据实际电路的最大工作功率、电压、温度范围选型,避免超额定值工作(如高温环境下需降额使用功率,通常降额30%~50%);
  • 若需更高精度(如±0.05%),可考虑松下同系列更高档型号(如ERA3系列)。

2. 焊接注意事项

  • 回流焊温度曲线需符合松下推荐(峰值温度≤245℃,时间≤10秒),避免过热导致薄膜层损坏;
  • 手工焊接需使用恒温烙铁(温度≤350℃,焊接时间≤3秒),避免引脚氧化。

3. 储存与防潮

  • 未焊接产品需储存在干燥环境(相对湿度≤60%),避免受潮导致电极氧化;
  • 开封后需在1个月内使用完毕,若长期储存需密封保存。

4. 温度补偿建议

  • 若应用场景温度变化大(如-55℃~+155℃),可通过软件/硬件补偿(如添加温度传感器)降低阻值漂移对电路的影响。

六、总结

ERA2AEB163X凭借0402小体积、±0.1%高精度、±25ppm/℃低TCR、-55℃~+155℃宽温区等核心优势,成为工业自动化、汽车电子、高精度测量等领域的高性价比选择。松下的薄膜工艺保证了长期稳定性,0402封装适配高密度PCB设计,是替代普通厚膜电阻、提升电路精度的理想无源器件。

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