WMSIC Electronic Components

ERJ3EKF4022V

ModelERJ3EKF4022V
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 ERJ3EKF4022V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ3EKF4022V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
40.2kΩ
Electronic Component
1
Electronic Component
BM0264850112
Operating Temperature
55℃~+155℃
Operating Voltage
150V
Electronic Component
±100ppm/℃
Resistor Type
Resistor

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

ERJ3EKF4022V 精密厚膜贴片电阻器产品概述

一、产品基本属性与定位

ERJ3EKF4022V是松下(PANASONIC)推出的精密级厚膜贴片电阻,属于该品牌常规精密电阻系列,采用0603(英制封装,对应公制1608)小型贴片封装,专为对阻值精度、宽温稳定性有基础要求的电子电路设计,兼顾性能与成本优势,适用于消费电子、工业控制等多领域应用。

二、核心电气参数详解

(1)阻值与精度

该电阻标称阻值为40.2kΩ(标识代码“4022”对应“402×10²Ω”),精度等级为**±1%**,可满足多数电路对阻值一致性的要求(如分压电路的精准电压输出、限流电路的电流稳定控制),无需额外校准即可实现基础精准度。

(2)功率与工作电压

  • 额定功率:100mW(0.1W),符合0603封装电阻的常规功率等级;
  • 工作电压:150V,需注意功率与电压的匹配关系(由公式(P=U^2/R)计算,150V下实际功耗约56mW,未超过额定功率,因此电压参数有效),可支持中等电压等级的电路应用。

(3)温度系数

温度系数(TCR)为**±100ppm/℃**,即温度每变化1℃,阻值变化约±4.02Ω((40.2kΩ×100×10^{-6}))。结合工作温度范围,在-55℃至+155℃的210℃温差下,总阻值变化约±844Ω,相对变化率约±2.1%,可满足宽温环境下的基本阻值稳定性需求。

三、环境适应性与可靠性

(1)宽温工作范围

工作温度覆盖**-55℃~+155℃**,符合工业级电子设备的环境要求,可应用于户外设备、汽车电子(非高温极端场景)、工业PLC等对温度变化敏感的场景。

(2)厚膜工艺优势

采用厚膜电阻工艺,相比薄膜电阻成本更低,且具有较好的抗老化性、耐冲击性,长期使用阻值漂移小;同时,厚膜电阻的功率密度适中,适合0603封装的小型化设计。

(3)可靠性验证

松下对该系列电阻进行了常规可靠性试验,包括温度循环(-55℃~+155℃循环)、湿度试验(85℃/85%RH)、耐电压试验(1.5倍额定电压)等,符合IEC 60115等国际电子元件标准,可保证量产批次的一致性与长期可靠性。

四、封装与典型应用场景

(1)封装规格

采用0603贴片封装(尺寸:1.6mm×0.8mm,厚度约0.45mm),体积小巧,适合自动化贴装(SMT)生产,可有效节省PCB布局空间,满足小型化电子设备的设计需求。

(2)典型应用领域

  • 消费电子:智能手机、平板电脑的电源管理电路(如DC-DC转换的分压反馈)、信号调理电路;
  • 工业控制:PLC(可编程逻辑控制器)的输入输出模块、传感器信号放大电路;
  • 通信设备:小型基站、路由器的滤波电路、电压基准电路;
  • 汽车电子:车载信息娱乐系统(如中控屏的背光控制、音频信号处理)。

五、品牌与品质保障

(1)松下品牌背书

作为全球领先的电子元器件制造商,松下在电阻器领域拥有成熟的生产工艺与严格的品质管控体系,ERJ3EKF4022V的批次一致性好,阻值偏差、温漂等参数符合产品规格,可降低电路设计的调试成本。

(2)环保与焊接兼容性

该产品符合RoHS 2.0、REACH等环保标准,采用无铅焊接工艺,可兼容现代SMT生产线的无铅焊接要求,避免环保合规风险。

(3)供货与技术支持

松下全球供应链稳定,可支持中小批量至大规模量产需求;同时提供完善的技术资料(如 datasheet、应用手册)与技术支持,帮助客户快速完成电路设计与验证。

ERJ3EKF4022V凭借精准的阻值控制、宽温适应性与可靠的品牌品质,成为中小功率电路中平衡性能与成本的优选电阻器之一。

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