WMSIC Electronic Components

ERJ3EKF1822V

ModelERJ3EKF1822V
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 ERJ3EKF1822V
Type
PANASONIC
Minimum package
5000

Technical parameters

Power
100mW
Electronic Component
PANASONIC
Electronic Component
ERJ3EKF1822V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
18.2kΩ
Electronic Component
1
Electronic Component
BM0265002424
Operating Temperature
55℃~+155℃
Operating Voltage
75V
Electronic Component
±100ppm/℃
Resistor Type
Resistor
Electronic Component
5000

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

ERJ3EKF1822V 松下精密厚膜贴片电阻器产品概述

一、产品核心定位与身份

ERJ3EKF1822V是松下(PANASONIC)推出的精密级厚膜贴片电阻器,属于松下ERJ系列中针对高精度、宽温稳定应用设计的型号。该产品聚焦小信号电路的参数稳定性需求,以成熟厚膜工艺为基础,兼顾精度、可靠性与环境适应性,是消费电子、工业控制、汽车电子等领域中对阻值误差控制严格场景的常用元件。

二、关键性能参数详解

该型号的核心参数直接决定应用边界,具体如下:

1. 阻值与精度

阻值标称18.2kΩ,精度等级为**±1%**——属于贴片电阻中的“精密级”范畴,优于普通民用电阻的±5%/±10%误差,可满足信号分压、基准电压调节、传感器信号放大等低误差需求。

2. 功率与工作电压

  • 额定功率:100mW(毫瓦),适配小信号、低功耗电路(如传感器前端调理、低功耗MCU外围),避免功率冗余;
  • 工作电压:75V(直流),覆盖12V、24V、48V等常见低压系统,短时间过载电压可达1.5~2倍额定值,提升应用灵活性。

3. 温度特性与范围

  • 温度系数(TCR):±100ppm/℃,表示温度每变化1℃,阻值变化约0.01%;在-55℃~+155℃宽温范围内,阻值最大变化量约2.1%,与±1%精度叠加后仍可保证电路稳定;
  • 工作温度范围:-55℃+155℃,远超民用(0℃70℃)和一般工业级(-40℃~85℃)电阻,适配北方户外低温、工业设备高温区域(如电机附近)、汽车发动机舱周边等极端场景。

三、设计工艺与可靠性优势

作为松下成熟厚膜电阻系列的一员,ERJ3EKF1822V具备明显工艺优势:

1. 厚膜工艺核心

采用高纯度氧化铝陶瓷基板厚膜印刷工艺:在陶瓷基板上印刷精密电阻浆料,经高温烧结形成稳定电阻层——相比薄膜电阻成本更低,相比碳膜/金属膜电阻更适配贴片封装,且阻值稳定性、抗干扰能力更强。

2. 品质保障

松下制造工艺保证:

  • 阻值一致性:批量元件阻值偏差控制在标称精度内;
  • 抗过载能力:短时间承受1.2倍额定功率或1.5倍额定电压时,性能无不可逆变化;
  • 环保合规:符合RoHS、REACH标准,无铅焊接兼容自动化SMT工艺,提升生产效率。

四、典型应用场景

结合参数特性,该型号典型应用集中在以下领域:

1. 传感器信号调理电路

压力、温度、气体传感器的分压网络、放大电路——稳定阻值保证信号采集精度,宽温范围适配传感器工作环境(如工业现场、车载传感器)。

2. 低功耗电子设备

智能手环、蓝牙耳机、IoT终端的电源分压、基准电压源——100mW功率适配低功耗需求,±1%精度保证电源输出稳定。

3. 工业控制与PLC电路

PLC输入输出接口的信号隔离电阻、模拟量采集模块的分压电阻——宽温范围适配工业现场温度波动,精密精度保证控制信号准确性。

4. 消费电子精密模块

手机摄像头自动对焦电路、音频解码芯片外围电阻——小体积贴片封装适配高密度PCB设计,稳定性能提升模块可靠性。

五、总结

ERJ3EKF1822V作为松下精密厚膜贴片电阻,以**±1%精度、宽温范围、小功率适配**为核心优势,覆盖从消费电子到工业控制的多场景需求。其成熟工艺与松下品质保障,使其成为低误差、稳定性能电路设计中的高性价比选择。

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