WMSIC Electronic Components

ERA3AEB5112V

ModelERA3AEB5112V
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 ERA3AEB5112V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERA3AEB5112V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.03g
Electronic Component
51.1kΩ
Electronic Component
1
Electronic Component
BM0264567928
Operating Temperature
55℃~+155℃
Operating Voltage
75V
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.

ERA3AEB5112V 薄膜贴片电阻产品概述

一、产品基本定位与身份标识

ERA3AEB5112V是松下(PANASONIC)推出的0603封装高精度薄膜贴片电阻,属于小功率精密电阻范畴,核心面向对阻值精度、温度稳定性要求较高的电子电路设计场景。其型号编码清晰对应核心参数:“ERA3”代表薄膜电阻系列,“AEB”对应封装与功率等级,“5112”为阻值代码(51.1kΩ,前三位511×10²),“V”标识±0.1%精度,可快速识别产品特征。

二、核心参数详解

该电阻的关键参数直接决定适用场景,具体如下:

2.1 阻值与精度

阻值为51.1kΩ,精度等级为**±0.1%**——属于精密电阻范畴(通常±1%以下为精密),可有效降低电路中因阻值偏差导致的信号失真、测量误差,适合对阻值一致性要求高的批量生产或校准电路。

2.2 功率与电压额定值

额定功率100mW,最大工作电压75V。两者匹配性验证:最大允许电流I=V/R≈75V/51.1kΩ≈1.47mA,此时功率损耗I²R≈0.11W,与100mW额定值接近,满足实际电路功率余量需求。

2.3 温度特性

温度系数(TCR)±25ppm/℃,工作温度范围**-55℃~+155℃**。低TCR意味着阻值随温度变化漂移极小(如100℃温差仅变±0.25%);宽温范围覆盖工业级、部分汽车级及高温作业设备,适用性广。

2.4 封装尺寸

采用0603封装(英制1.6mm×0.8mm,公制1608),属于小型化贴片封装,可节省PCB空间,适合高密度集成设计(如智能手机、小型医疗设备)。

三、工艺与可靠性优势

ERA3AEB5112V基于薄膜电阻工艺制造,相比厚膜电阻优势明显:

  1. 精度稳定性更高:真空沉积形成均匀电阻膜,阻值偏差控制精准,长期使用漂移极小;
  2. 温度特性更优:薄膜材料温度稳定性好,实现±25ppm/℃以下TCR;
  3. 寄生参数更小:无引线贴片封装减少寄生电感/电容,适合高频或精密信号处理。

此外,松下产品经严格可靠性测试(高低温循环、湿度老化、振动冲击等),符合IEC/JIS国际标准,恶劣环境下长期稳定。

四、典型应用领域

该电阻的参数特性适配以下场景:

  1. 精密测量仪器:数字万用表、示波器的校准电路、基准电压电路,依赖高精准度保证测量准确;
  2. 工业控制模块:PLC模拟量I/O电路、传感器信号调理电路,应对工业现场宽温环境;
  3. 通信设备:射频前端匹配网络、滤波电路,利用低寄生参数提升信号质量;
  4. 医疗电子:监护仪、生化分析仪的精密放大/采集电路,要求稳定阻值特性;
  5. 小型消费电子:智能手机、智能穿戴的电源管理/传感器接口电路,借助0603封装实现小型化。

五、选型与使用注意事项

  1. 功率余量:实际损耗需控制在80mW以下(额定值80%),避免过热漂移;
  2. 电压限制:不超75V,防止绝缘击穿;
  3. 焊接工艺:回流焊峰值温度≤260℃,时间≤10秒,避免损坏电阻膜;
  4. 环境防护:避免长期高湿/腐蚀性气体,必要时加 conformal涂层防护。

该产品以高精度、宽温稳定、小型化等特点,成为精密电子电路设计的可靠选择。

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