WMSIC Electronic Components

ERJ2GEJ103X

ModelERJ2GEJ103X
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 ERJ2GEJ103X
Type
PANASONIC
Minimum package
10000

Technical parameters

Power
100mW
Electronic Component
PANASONIC
Electronic Component
ERJ2GEJ103X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.011g
Electronic Component
10kΩ
Electronic Component
1
Electronic Component
BM0210346326
Operating Temperature
55℃~+155℃
Operating Voltage
100V
Electronic Component
±200ppm/℃
Resistor Type
Resistor
Electronic Component
10000

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

ERJ2GEJ103X 厚膜贴片电阻产品概述

松下ERJ2GEJ103X是一款针对小型化、高密度电路优化的厚膜贴片电阻,属于ERJ系列通用型核心产品。其凭借稳定的电气性能、宽温适应性及紧凑封装,广泛覆盖消费电子、工业控制、可穿戴设备等多领域应用,是电子设计中基础电阻选型的高性价比方案。

一、产品基本信息与定位

ERJ2GEJ103X采用厚膜工艺制造,核心定位为小功率通用型贴片电阻,针对对体积敏感、无需超高精度的电路场景设计。产品标识遵循E系列规范:"103"对应阻值10kΩ,"GE"代表精度±5%、温度系数±200ppm/℃,封装为0402(1005公制),是松下电阻产品线中覆盖范围最广的基础型号之一,适配主流PCB设计规范。

二、核心电气参数解析

  1. 阻值与精度:标称阻值10kΩ,精度±5%,满足90%以上普通电路的误差要求(如分压、滤波网络),无需额外校准即可稳定工作,兼顾成本与实用性。
  2. 功率与电压:额定功率100mW(0.1W),最大工作电压100V。需注意实际应用需同时满足双限制:当电压为100V时,电流仅10μA(功率1mW);若电流达10mA(功率100mW),电压需≤10V,避免超额定值导致性能衰减。
  3. 温度系数(TCR):±200ppm/℃,即温度每变化1℃,阻值变化±0.02%。例如环境温度从25℃升至125℃(变化100℃),阻值变化±2%,符合工业级、汽车级部分场景的温度稳定性要求。
  4. 工作温度范围:-55℃~+155℃,覆盖全球极端环境(沙漠高温、寒带低温),适合户外设备、车载辅助电路等场景。

三、机械与封装特性

  1. 封装尺寸:0402封装(英制0.04in×0.02in/公制1.0mm×0.5mm),厚度约0.3mm,是小型化电路主流封装,每平方厘米可布局约200个该电阻,显著提升电路密度。
  2. 结构设计:采用氧化铝陶瓷基底(高导热、低膨胀),表面印刷钌基厚膜电阻浆料经高温烧结形成稳定电阻层,再涂覆环氧树脂保护层(耐磨损、抗腐蚀)。端电极采用"镍层+锡层"多层结构,适配无铅焊接工艺,焊接兼容性强。
  3. 机械强度:陶瓷基底刚性确保焊接/装配时不易开裂;端电极与基底结合力符合IEC 60068-2-21标准,可承受0.5mm弯曲应力,适合手持设备等易受机械应力场景。

四、环境适应性与可靠性

  1. 焊接热稳定性:可承受回流焊峰值温度(260℃±5℃,持续10秒),多次焊接后阻值变化≤±0.5%,无开路/短路风险;波峰焊需控制浸锡时间≤3秒,避免过度受热。
  2. 湿度耐受性:60℃、95%RH环境下放置1000小时,阻值变化≤±1%,符合家电、物联网设备长期湿度测试要求。
  3. 寿命与可靠性:加速寿命测试(125℃、额定功率下1000小时)显示阻值变化≤±1%,端电极无氧化/脱落,满足5年以上产品生命周期。
  4. 抗振动冲击:符合MIL-STD-202振动(20~2000Hz,10g)与冲击(1000g,1ms)标准,适合车载、无人机等振动环境。

五、典型应用场景

  1. 消费电子:智能手机/平板的电源滤波(DC-DC输出分压)、音频信号调理(耳机接口偏置);
  2. 可穿戴设备:智能手环/手表的传感器接口(心率传感器分压)、低功耗蓝牙模块匹配电阻;
  3. 工业控制:小型PLC输入输出接口(数字量输入限流)、温度传感器信号调理;
  4. 汽车电子:车载信息娱乐系统辅助电路(中控屏按键背光限流)、胎压监测低功耗电路;
  5. 物联网设备:智能门锁、环境传感器节点信号处理(温湿度传感器上拉电阻)。

六、选型与使用注意事项

  1. 功率降额:高温环境需降额(155℃时功率≤50mW),避免过热导致阻值漂移;
  2. 焊接工艺:优先回流焊,焊接前120℃烘烤2小时去吸潮,避免气泡;
  3. 存储条件:未开封产品存于≤30℃、≤60%RH环境,开封后1个月内使用,否则重新烘烤;
  4. 精度匹配:需±1%精度(医疗、高精度传感器)时,选ERJ2R系列同阻值型号,本型号仅适用于通用场景。

ERJ2GEJ103X凭借平衡的性能与成本优势,成为全球电子工程师设计小型化电路的首选基础电阻,是松下厚膜电阻技术成熟度的典型体现。

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