WMSIC Electronic Components

ERJ3EKF1242V

ModelERJ3EKF1242V
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 ERJ3EKF1242V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ3EKF1242V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
12.4kΩ
Electronic Component
1
Electronic Component
BM0264224041
Operating Temperature
55℃~+155℃
Operating Voltage
75V
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.

松下ERJ3EKF1242V厚膜贴片电阻产品概述

ERJ3EKF1242V是松下电子推出的一款0603封装厚膜贴片电阻,专为小型化、高可靠性电路设计,兼具宽温适应性与稳定的电气性能,广泛应用于消费电子、工业控制等领域。以下是其核心信息概述:

一、产品基本信息与封装规格

ERJ3EKF1242V属于松下ERJ系列贴片电阻,采用0603英制封装(对应公制1608,尺寸约1.6mm×0.8mm×0.5mm),体积紧凑,适合高密度PCB布局,可有效减少电路板占用面积。电阻类型为厚膜电阻,通过厚膜印刷、烧结工艺制造,兼具成本优势与可靠性平衡,是常规电路设计中替代传统插件电阻的优选。

二、核心电气性能参数

该电阻的核心电气指标明确,满足常规电路的精准控制需求:

  1. 阻值与精度:标称阻值为12.4kΩ(代码标识为“1242”,即124×10²Ω),精度等级为**±1%**,可满足多数工业、消费电子中对阻值误差的控制要求(如信号调理、分压电路、反馈回路等);
  2. 功率与电压:额定功率为100mW(0.1W),最大工作电压为75V,功率与电压的匹配设计可支持低功率电路的长期稳定运行,避免过压或过功率损坏;
  3. 温度系数(TCR):±100ppm/℃,即温度每变化1℃,阻值变化约±1.24Ω,温漂水平适合常规温度环境下的应用,无需额外温度补偿;
  4. 阻值代码:1242(前三位为有效数字,第四位为10的幂次,124×10²=12400Ω=12.4kΩ),便于电路设计与物料识别。

三、环境与可靠性参数

ERJ3EKF1242V具备宽温适应性与可靠的环境耐受性:

  1. 工作温度范围:-55℃至+155℃,覆盖工业级宽温需求,可应对汽车电子、户外设备、工业控制等场景中的极端温度变化;
  2. 耐环境性能:厚膜电阻工艺使其具备良好的抗冲击、振动能力,符合JIS C 5063等可靠性标准,可承受电路工作中的机械应力;
  3. 长期稳定性:经松下工艺优化,长期阻值漂移控制在较低水平(通常小于0.5%/1000小时),适合长期连续工作的电路(如电源反馈回路、传感器信号调理)。

四、典型应用场景

该电阻的性能特点使其适用于多种场景:

  1. 消费电子:智能手机、可穿戴设备的音频模块(信号衰减)、显示驱动电路(限流)、电池管理系统(分压检测);
  2. 工业控制:PLC(可编程逻辑控制器)的传感器接口(信号分压)、电机驱动的辅助电路(限流保护)、工业物联网节点(信号调理);
  3. 汽车电子:辅助驾驶系统的低功率信号电路(宽温适配)、车载信息娱乐系统(信号匹配)、车身控制模块(状态检测);
  4. 通信设备:小型基站、路由器的滤波网络(阻值精准)、电源模块(反馈电阻)、光模块(信号衰减);
  5. 医疗电子:小型医疗设备(如血糖仪、血压计)的信号调理电路(低功率需求)。

五、品牌与工艺优势

作为松下旗下产品,ERJ3EKF1242V具备以下优势:

  1. 成熟厚膜工艺:松下数十年厚膜电阻制造经验,通过高精度印刷、烧结技术保证阻值一致性与生产稳定性,批次间差异极小;
  2. 环保合规:符合RoHS、REACH等全球环保标准,无铅设计适配现代电子产业的环保要求,可直接用于出口产品;
  3. 可靠性认证:部分批次通过AEC-Q200汽车级认证,可满足严苛的汽车电子应用要求(如振动、温度循环测试);
  4. 供应链稳定:松下全球供应链布局,可保障批量供货的连续性,适合大规模量产需求。

ERJ3EKF1242V以其紧凑封装、精准阻值、宽温适应性与可靠性能,成为小型化电路设计中厚膜贴片电阻的优选方案之一,可有效平衡性能与成本,满足不同领域的电路需求。

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