WMSIC Electronic Components

ERA3AED512V

ModelERA3AED512V
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 ERA3AED512V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERA3AED512V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.5%
Electronic Component
0.03g
Electronic Component
5.1kΩ
Electronic Component
1
Electronic Component
BM0264920392
Operating Temperature
55℃~+155℃
Electronic Component
±25ppm/℃
Resistor Type
Resistor
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ERA3AED512V 产品概述

一、产品简介

ERA3AED512V 为 PANASONIC(松下)高可靠性薄膜贴片电阻器,封装为 0603(1608 公制)。标称阻值 5.1 kΩ,公差 ±0.5%,额定功率 100 mW,温度系数(TCR)为 ±25 ppm/℃,工作温度范围 -55℃ 至 +155℃。该器件面向对精度、稳定性和低温漂有较高要求的电子系统设计。

二、主要性能特点

  • 高精度:±0.5% 的初始阻值允许在精密电路中减少配对和校准工作量。
  • 低温漂:±25 ppm/℃ 带来优异的温度稳定性,适合温度变化环境下对阻值稳定性有要求的场合。
  • 小型化与功率平衡:0603 小封装满足高密度贴装,100 mW 的功率等级适用于低功耗信号路径。
  • 低噪声与稳定性:薄膜工艺相较于厚膜具有更低的热噪声和更好的长时间漂移特性,适用于精密信号处理。

实用电气限制(近似计算):

  • 允许最大电流 Imax = sqrt(P/R) ≈ sqrt(0.1 W / 5100 Ω) ≈ 4.43 mA
  • 允许最大端电压 Vmax = Imax × R ≈ 22.6 V(或直接 Vmax = sqrt(P×R))

温漂影响示例(线性近似):

  • 自 +25℃ 到 +85℃(Δ60℃):阻值变化约 60℃×25 ppm = 1500 ppm ≈ 0.15%
  • 自 -55℃ 到 +155℃(Δ210℃):阻值变化约 210℃×25 ppm = 5250 ppm ≈ 0.525%

三、典型应用场景

  • 精密分压器与参考电路(ADC/DAC 前端)
  • 传感器信号调理与桥路平衡
  • 精密滤波器和放大器的偏置网络
  • 工业控制和仪器仪表中的低噪声电阻需求场合
    (如需用于汽车级或特定认证环境,请以供应商数据表为准)

四、布局与使用建议

  • 功率与热管理:在 PCB 设计时考虑局部热阻,必要时采用铜箔散热或减小周边铜面积以控制热积累;在高环境温度下应按厂商推荐的降额曲线使用。
  • 焊接工艺:兼容标准回流焊工艺;建议遵循松下官方资料中的回流曲线以避免过热导致性能退化。
  • 布局注意:避免将高功率器件紧邻本电阻器以减少热干扰,信号与电源地参考要合理分离以降低共模误差。
  • 机械应力:在实际工装与波峰/回流焊流程中,注意避免过大的机械应力和频繁的热循环。

五、可靠性与测试建议

  • 虽为高可靠性薄膜产品,仍建议在设计验证阶段进行包括温度循环、湿热、耐焊性和长期漂移评估,以验证在目标应用环境下的行为。
  • 对于关键参考点或测量通道,可考虑冗余或配对匹配策略以提高系统整体稳定性。

六、采购与包装提示

  • 封装为 0603,请在选型与贴装机配置中确认贴装参数;卷带(T/R)是常见供货形式,具体包装与最小起订量请参照供应商报价单与数据表。

总结:ERA3AED512V 以其 ±0.5% 精度、±25 ppm/℃ 的低温漂和宽工作温度范围,适合对稳定性和精度有要求的精密电子应用。在电路设计中合理考虑功率限值、热管理与焊接工艺,可充分发挥其性能优势。若需进一步的机械尺寸、降额曲线或可靠性认证信息,建议参考原厂详细数据表或联系供应商获取最新资料。

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