WMSIC Electronic Components

ERJ2GEJ100X

ModelERJ2GEJ100X
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 ERJ2GEJ100X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2GEJ100X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.011g
Electronic Component
10Ω
Electronic Component
1
Electronic Component
BM0264567795
Operating Temperature
55℃~+155℃
Electronic Component
±200ppm/℃
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.

ERJ2GEJ100X 厚膜贴片电阻产品概述

一、产品基本信息

ERJ2GEJ100X是松下(PANASONIC)推出的0402封装通用厚膜贴片电阻,属于其ERJ系列经济型电阻范畴,专为小尺寸、低功耗电路设计。核心基础参数明确:

  • 标称阻值:10Ω
  • 精度等级:±5%
  • 额定功率:100mW
  • 温度系数(TCR):±200ppm/℃
  • 工作温度范围:-55℃~+155℃

该型号通过厚膜烧结工艺制造,兼顾成本与稳定性,适配多数通用电路的阻值偏差需求。

二、核心技术参数详解

1. 阻值与精度

标称阻值10Ω,精度±5%,属于厚膜电阻的常规商用精度。厚膜工艺通过丝网印刷电阻浆料并高温烧结而成,阻值一致性较好——同一批次产品的阻值偏差可控制在±5%以内,无需额外校准即可满足分压、限流、信号匹配等基础电路需求。

2. 功率与电流能力

额定功率100mW,结合0402封装的散热限制,最大允许电流可通过公式计算:
( I_{max} = \sqrt{P/R} = \sqrt{0.1W/10Ω} ≈ 0.1A )(100mA)。
这一参数决定了它仅适用于小电流、低功耗场景,不建议用于大功率负载(如电机驱动、电源输出端)。

3. 温度特性

温度系数±200ppm/℃,表示每变化1℃,阻值变化百万分之200。以工作温度范围(-55℃~+155℃)为例,温度差达210℃,阻值最大变化量为:
( 10Ω × 200×10^{-6} × 210 = 0.42Ω ),相对变化率仅4.2%,仍在±5%精度范围内,保证了宽温环境下的阻值稳定性。

4. 工作温度范围

-55℃至+155℃的宽温范围,超出普通消费电子(0℃~+70℃)的需求,可适配工业控制、汽车辅助电路等对温度适应性要求较高的场景,避免因温度波动导致电路性能下降。

三、封装与工艺优势

1. 0402封装特点

0402封装(英制代码,对应公制1005封装,尺寸约1.0mm×0.5mm)是贴片电阻中尺寸较小的规格之一,具有高密度集成优势:

  • 可缩小PCB板面积,适合手机、智能穿戴、小型传感器模块等对空间要求严格的产品;
  • 贴装效率高,兼容常规SMT生产线,适合量产。

2. 厚膜工艺的可靠性

相比碳膜电阻,厚膜工艺具有更高的抗振动、抗湿度能力(可通过IEC 60068等可靠性测试);相比薄膜电阻,成本更低、性价比更优。松下的厚膜浆料配方稳定,批次间阻值一致性控制在行业前列,降低了量产时的电路调试难度。

四、典型应用场景

结合参数与封装特点,该电阻的典型应用集中在小信号、低功耗电路:

  1. 消费电子:手机/平板的LED指示灯限流、按键分压、音频信号匹配;
  2. 工业控制:小型传感器(温度/压力)的信号调理电路、低功耗PLC辅助电路;
  3. 汽车电子:车载仪表盘背光控制、传感器信号滤波;
  4. 通信设备:小型射频模块的阻抗匹配、低功耗无线模组的电源分压。

五、品牌与合规性

松下作为全球电子元器件龙头,ERJ2GEJ100X符合RoHS(无铅)、REACH等环保法规,且经过严格的可靠性测试(温度循环、湿度老化、振动测试),可确保在不同场景下的长期稳定工作。对于追求“成本可控+性能稳定”的通用电路设计,是高性价比的选择。

该产品无特殊封装变异(如高温/高压版),仅适配常规0402封装的SMT工艺,采购与生产流程均符合行业标准。

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