WMSIC Electronic Components

ERA3VEB4701V

ModelERA3VEB4701V
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 ERA3VEB4701V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERA3VEB4701V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.03g
Electronic Component
4.7kΩ
Electronic Component
1
Electronic Component
BM0257349675
Operating Temperature
55℃~+155℃
Operating Voltage
100V
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.

ERA3VEB4701V 薄膜片式电阻器产品概述

ERA3VEB4701V是松下(PANASONIC)推出的0603封装精密薄膜片式电阻,专为高密度、高稳定电路设计,兼顾小体积、高精度与宽温适应性,是仪器仪表、汽车电子等领域的常用元件。

一、产品核心类别与定位

该电阻属于薄膜电阻(Thin Film Chip Resistor),区别于碳膜、金属膜的核心优势在于:通过真空沉积技术在陶瓷基底上形成致密电阻膜,阻值精度更高、温度系数更低、高频特性更优;搭配0603小封装(英制,对应公制1608),适配手机、车载模块等对体积敏感的设备。

二、关键电气性能参数解析

ERA3VEB4701V的参数针对精密应用优化,核心参数及实际意义如下:

  1. 阻值与精度:标准阻值4.7kΩ(编码“4701”,前三位470×10¹=4700Ω),精度±0.1%——可满足传感器信号调理、电源反馈等电路的阻值一致性要求,减少系统校准成本;
  2. 功率与电流能力:额定功率125mW(0603封装典型功率),最大允许电流约5.2mA(计算:(I=\sqrt{P/R}=\sqrt{0.125W/4700Ω})),适合小信号电路的电流控制;
  3. 工作电压限制:最大工作电压100V(非额定功率电压,需结合功率参数避免过压);
  4. 温度系数(TCR):±25ppm/℃——温度每变化1℃,阻值变化±25×10⁻⁶,100℃温差下仅变化±0.25%,远优于普通碳膜电阻(±500ppm/℃以上),适配宽温环境。

三、物理封装与工艺特点

  • 封装尺寸:1.6mm(长)×0.8mm(宽)×0.4mm(厚),体积小巧,可提升电路板集成密度;
  • 基底与膜层:陶瓷(Al₂O₃)基底+镍铬(NiCr)薄膜,确保阻值稳定、抗老化;
  • 端电极设计:松下专利结构,增强焊接可靠性,减少回流焊虚焊风险,适配自动化贴装。

四、环境可靠性与工作范围

该电阻满足多数工业/汽车级应用:

  • 宽温范围:-55℃~+155℃,覆盖汽车发动机舱(高温)、户外设备(低温);
  • 抗环境干扰:薄膜致密性提升抗潮湿、抗硫化能力,长期使用阻值漂移小;
  • 机械强度:陶瓷基底可承受贴装应力,减少断裂风险。

五、典型应用场景

  1. 仪器仪表:万用表、示波器的分压/采样电路,依赖±0.1%精度实现准确测量;
  2. 汽车电子:胎压监测、温度传感器的信号调理,宽温适配车载环境;
  3. 消费电子:智能手机电源管理(DC-DC反馈),小体积适配紧凑空间;
  4. 工业控制:PLC输入输出电路,稳定TCR确保长期可靠运行。

六、品牌与选型价值

松下的品控优势体现在:

  • 批次一致性:量产阻值偏差控制在±0.1%以内,无需额外筛选;
  • 可靠性认证:推测通过AEC-Q200(汽车级),适配车规应用;
  • 供应稳定:成熟生产线确保长期供货,减少产品替换风险。

整体而言,ERA3VEB4701V是高性价比精密薄膜电阻,兼顾小体积、高精度与宽温稳定性,是高密度电路设计的理想选择。

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