WMSIC Electronic Components

ERJ2GEJ1R0X

ModelERJ2GEJ1R0X
Package0402
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 ERJ2GEJ1R0X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2GEJ1R0X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.011g
Electronic Component
1Ω
Electronic Component
1
Electronic Component
BM0264850068
Operating Temperature
55℃~+155℃
Electronic Component
100ppm/℃~+600ppm/℃
Resistor Type
Resistor
Electronic Component
Electronic Component

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

ERJ2GEJ1R0X 贴片厚膜电阻器产品概述

一、产品核心身份与定位

ERJ2GEJ1R0X是松下(PANASONIC)推出的0402封装贴片厚膜电阻器,属于小功率通用型电阻范畴。该产品以紧凑尺寸、稳定性能为核心特点,适配高密度电路设计需求,广泛应用于消费电子、工业控制等多领域,是实现电流采样、分压滤波、信号匹配等基础功能的可靠元件。

二、关键参数详解

1. 阻值与精度

标称阻值1Ω,精度±5%(E24系列常用精度等级),满足大多数常规电路对电阻值的偏差要求,无需额外高精度校准即可适配基础功能场景。

2. 功率等级

额定功率100mW(0.1W),结合1Ω阻值可计算出最大持续工作电流约0.316A(公式:(I=\sqrt{P/R})),适合小电流回路的电阻限流、采样应用。

3. 温度系数

范围为-100ppm/℃+600ppm/℃,属于厚膜电阻的典型温度特性——虽不及薄膜电阻的高精度温漂,但在常规温度变化(如-20℃+85℃)下,阻值漂移量可控制在合理范围(例如25℃到85℃,60℃变化下最大漂移为(600ppm/℃×60℃=3.6%),仍在±5%精度内)。

4. 工作温度范围

-55℃~+155℃,覆盖了工业级、部分汽车级(辅助电路)及户外设备的温度需求,可在极端环境下稳定工作。

三、封装与工艺特性

1. 封装形式

0402英制封装(对应公制约1.0mm×0.5mm),是贴片电阻中尺寸较小的规格之一,能有效降低电路板的占用面积,提升电路密度,适配小型化电子设备(如智能手机、可穿戴设备)。

2. 工艺特点

采用厚膜印刷工艺制造,在陶瓷基底上印刷电阻浆料并烧结而成。该工艺具有以下优势:

  • 成本适中,适合大规模量产;
  • 电阻膜层附着力强,抗机械应力性能较好;
  • 耐潮湿、抗腐蚀能力优于部分薄膜电阻,长期使用可靠性高。

四、典型应用场景

ERJ2GEJ1R0X的参数特性使其适配多种基础电路场景:

  1. 消费电子:智能手机、平板的电源管理回路(如电池保护电路的小电流采样)、音频接口的信号分压、LED指示灯的限流电阻;
  2. 工业控制:小型PLC的输入输出接口电路、传感器信号调理模块的滤波电阻、低压直流电机的启动限流(小功率电机);
  3. 物联网设备:智能穿戴(如智能手环的传感器供电回路)、智能家居节点的信号匹配电阻、户外环境监测设备的温度补偿电路(适配宽温范围);
  4. 汽车电子辅助电路:车载多媒体系统的按键电路、仪表盘背光控制的分压电阻(宽温范围可覆盖部分车载环境)。

五、可靠性与环境适应性

  1. 宽温稳定性:工作温度范围-55℃~+155℃,经过松下严格的温度循环测试(如-55℃保持30分钟→+155℃保持30分钟,循环多次),阻值变化率符合行业标准(通常≤±1%);
  2. 抗环境应力:厚膜工艺使其具备较好的抗潮湿能力(符合IEC 60068-2-67湿度测试要求),同时耐机械振动(10Hz~2000Hz振动测试),适合运输、振动环境下的设备使用;
  3. 长期可靠性:松下在电阻制造中的材料控制与工艺优化,确保该产品的阻值一致性(批量生产中阻值偏差控制在标称±5%内),减少电路批量生产中的性能波动。

六、品牌与品质背书

作为松下旗下的贴片电阻产品,ERJ2GEJ1R0X继承了品牌在被动元件领域的技术积累:

  • 采用松下自研的电阻浆料配方,提升阻值稳定性;
  • 生产过程符合ISO 9001、IATF 16949(部分系列)等质量管理体系,品质一致性高;
  • 广泛应用于全球主流电子厂商的产品中,市场验证充分,降低终端设备的售后风险。

该产品凭借紧凑尺寸、稳定性能与宽环境适应性,成为高密度电路设计中基础电阻应用的优选方案。

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