WMSIC Electronic Components

ERA3AEB5491V

ModelERA3AEB5491V
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 ERA3AEB5491V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERA3AEB5491V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.03g
Electronic Component
5.49kΩ
Electronic Component
1
Electronic Component
BM0264567882
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.

ERA3AEB5491V 薄膜贴片电阻产品概述

一、产品基本属性

该产品为松下电子推出的薄膜贴片电阻,属于ERA3AEB系列高精度型号。采用0603英制贴片封装(对应公制尺寸1.6mm×0.8mm×0.45mm),产品代码“ERA3AEB5491V”中:

  • ERA3A:系列标识(薄膜电阻通用系列);
  • EB:精度等级(±0.1%)与温度系数(±25ppm/℃);
  • 5491:阻值代码(549×10¹Ω=5.49kΩ);
  • V:封装类型标识(0603)。
    产品定位为小功率高精度薄膜电阻,适配高密度PCB布局与宽温环境需求。

二、核心性能参数

1. 阻值与精度

额定阻值5.49kΩ,精度等级±0.1%——属于精密电阻范畴,无需额外校准即可满足信号调理、分压网络等场景的准确控制需求。

2. 功率额定值

25℃环境下额定功率100mW,是0603封装贴片电阻的典型功率规格,适配低功耗电路(如传感器前端、小型控制器)的单电阻功耗要求。

3. 温度系数(TCR)

±25ppm/℃,即温度每变化1℃,阻值变化量约为±0.137Ω(5.49kΩ×25×10⁻⁶)。相比厚膜电阻(通常50~100ppm/℃),温漂稳定性提升一倍以上,可适应温度波动较大的环境。

4. 工作温度范围

-55℃至+155℃,覆盖工业级宽温标准,可稳定工作于户外设备、高温车间等极端温度场景。

三、封装与工艺特点

1. 0603封装优势

  • 体积小巧:1.6mm×0.8mm尺寸,适合智能手机、智能穿戴、工业控制模块等高密度PCB布局;
  • 焊接可靠性:端电极采用“镍底层+镍中间层+锡表面层”三层结构,兼容回流焊、波峰焊工艺,焊接强度符合IPC-A-610标准;
  • 散热性能:陶瓷基底导热性良好,可快速散发表面积功率,避免局部过热。

2. 薄膜工艺特性

采用真空溅射技术制备电阻膜,相比厚膜印刷工艺:

  • 膜层均匀性更好,阻值一致性达±0.05%(批量生产);
  • 电阻膜与陶瓷基底结合牢固,长期负载下无膜层脱落、阻值漂移风险;
  • 噪声系数更低(< -40dB),适合低噪声模拟电路。

3. 环保合规

符合RoHS 2.0、REACH等环保指令,无铅无卤,适配绿色电子产品设计要求。

四、典型应用场景

  1. 精密模拟电路:音频前置放大器、压力/温度传感器信号调理电路(桥路分压、偏置电压控制);
  2. 工业控制模块:PLC输入输出采样电路、温度控制器反馈网络(宽温范围适配车间/户外环境);
  3. 通信设备:5G基站中频滤波电路、路由器电源反馈网络(小体积满足设备小型化);
  4. 医疗电子:监护仪生理信号采集电路、输液泵流量控制电路(低功率+高稳定性适合长时间连续工作);
  5. 汽车电子:车载传感器(如胎压监测)信号调理电路(-55~125℃汽车级温区覆盖)。

五、可靠性与环境适应性

  1. 长期稳定性:1000小时高温负载测试(125℃、额定功率),阻值变化率≤0.1%,满足设备5年以上使用寿命要求;
  2. 功率降额:高温环境需按降额曲线使用(如155℃时额定功率降额至30mW,参考松下官方 datasheet);
  3. 耐环境性能:通过85℃/85%RH湿度循环测试(1000小时),阻值变化率≤0.2%;260℃回流焊30秒无性能衰减。

六、选型匹配注意事项

  1. 精度需求:若电路仅需±1%精度,可选择成本更低的厚膜电阻;需±0.1%及以下精度时,该产品为优选;
  2. 功率预算:单电阻功耗需≤100mW(25℃),高功率场景可采用多电阻并联(需阻值匹配)或换用0805封装;
  3. 温漂适配:环境温度变化≤100℃时,25ppm/℃的TCR可保证阻值变化≤0.25%,满足大多数精密电路需求;
  4. 封装兼容性:0603封装适配标准贴片贴装设备,无需特殊工装。

该产品以“高精度、宽温稳、小体积”为核心优势,是工业控制、通信、医疗等领域精密电路设计的常用元件。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.