WMSIC Electronic Components

ERJ3EKF1203V

ModelERJ3EKF1203V
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 ERJ3EKF1203V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ3EKF1203V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
120kΩ
Electronic Component
1
Electronic Component
BM0264567810
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.

ERJ3EKF1203V 精密厚膜贴片电阻器产品概述

一、产品核心定位与应用场景

ERJ3EKF1203V是松下推出的精密级厚膜贴片电阻,针对对阻值精度、温度稳定性、宽温适应性有明确要求的电子电路设计。其核心定位为“小型化、高精度、高可靠性”,可覆盖消费电子、工业控制、汽车电子(宽温场景)等多领域的信号调理、电源分压、反馈网络等应用,是高密度PCB设计中替代普通电阻的优选器件。

二、关键技术参数详解

该电阻的核心参数围绕“精度、稳定性、环境适应性”展开,具体如下:

  1. 阻值与精度:标称阻值120kΩ(标识代码“1203”对应120×10³Ω),精度±1%——满足多数精密电路的误差需求,无需额外校准即可实现稳定的信号传输/分压;
  2. 功率与电压:额定功率100mW,额定工作电压150V——功率适配小信号电路(如传感器接口、运放反馈),150V电压上限高于普通0603封装电阻(常规50V),可覆盖部分低压直流场景;
  3. 温度特性:温度系数±100ppm/℃——意味着温度每变化1℃,阻值变化±0.01%;若环境温度从-55℃升至+155℃(温差210℃),阻值总变化仅±0.21%,远低于精度±1%的要求,宽温下性能稳定;
  4. 工作温度范围:-55℃+155℃——覆盖工业级(-40+85℃)和汽车级(部分场景-55~+150℃)的温度需求,可适应极端环境下的长期工作;
  5. 封装尺寸:0603(英制)/1608(公制)——尺寸1.6mm×0.8mm,厚度约0.45mm,适配高密度PCB贴装,满足小型化产品设计需求。

三、封装与可靠性设计

  1. 厚膜工艺优势:采用厚膜印刷工艺,在陶瓷基板上形成电阻层,兼具成本可控与性能稳定的特点——相比薄膜电阻(精度更高但成本高),厚膜电阻更适合批量应用;相比普通碳膜电阻,厚膜电阻的温度系数更低、耐温性更好;
  2. 端电极结构:松下采用多层端电极设计(通常为镍层+锡层),焊接可靠性高,可承受多次回流焊(符合RoHS标准,无铅环保);
  3. 抗环境应力:产品经过湿度循环、温度冲击等可靠性测试,可抵抗潮湿、机械振动(如汽车行驶中的振动),长期使用阻值漂移小。

四、品牌与品质保障

作为松下被动元件家族的一员,ERJ3EKF1203V继承了松下的品质管控体系:

  1. 技术积累:松下在厚膜电阻领域有超过50年的研发经验,工艺成熟,批次一致性好;
  2. 标准合规:符合IEC 60115、JIS C 5201等国际/日本标准,通过UL、VDE等认证,满足全球市场的应用要求;
  3. 供应稳定性:采用自动化生产线生产,产能稳定,可满足客户批量采购需求,避免供应断档。

五、典型应用示例

  1. 工业控制模块:PLC(可编程逻辑控制器)的模拟量输入接口——需高精度电阻实现信号分压,宽温范围适应车间不同季节的温度变化;
  2. 消费电子电源:手机/平板的快充电源反馈网络——100mW功率满足小信号需求,±1%精度保证电压反馈的准确性;
  3. 汽车电子传感器:胎压监测系统(TPMS)的信号调理电路——-55~155℃宽温适应汽车舱内/外的极端温度,±100ppm/℃温度系数保证传感器信号的稳定传输;
  4. 医疗设备:便携式血糖仪的信号放大电路——精密电阻减少信号误差,确保血糖检测结果的准确性。

ERJ3EKF1203V凭借“小型化、高精度、宽温稳定”的核心优势,成为多领域电子设计中平衡性能与成本的理想选择,适合对电阻性能有明确要求的中高端产品。

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