WMSIC Electronic Components

ERJ2GEJ270X

ModelERJ2GEJ270X
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 ERJ2GEJ270X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2GEJ270X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.011g
Electronic Component
27Ω
Electronic Component
1
Electronic Component
BM0264567807
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.

ERJ2GEJ270X厚膜贴片电阻产品概述

ERJ2GEJ270X是松下(PANASONIC)推出的一款小型化通用厚膜贴片电阻,采用0402封装,专为高密度、低功耗电子设备设计,兼具稳定性能与紧凑体积,可满足多领域电路的基础电阻匹配需求。以下从核心属性、性能参数、封装特性、可靠性及应用场景等维度展开概述。

一、产品定位与核心属性

该型号属于松下厚膜贴片电阻系列,核心定位为**“小体积+稳定性能”平衡型电阻**:
既保留厚膜电阻的成本优势与长期可靠性,又通过0402封装实现体积最小化,适配对PCB空间要求严苛的终端产品。其设计侧重“标准化电路的通用需求”,可替代同参数的传统插件电阻或其他小型贴片电阻,尤其适合批量生产的标准化电路(如信号分压、限流、上拉/下拉等场景)。

二、关键性能参数解析

1. 阻值与精度

标称阻值27Ω,精度±5%(实际阻值范围:25.65Ω~28.35Ω),属于通用级精度——可满足大多数模拟电路的信号匹配、数字电路的外围电平控制,无需额外高精度电阻的成本投入,适配90%以上的基础电路需求。

2. 功率规格

额定功率100mW(0.1W),适用于低功耗场景(如传感器信号调理、LED驱动限流、小型单片机外围电路)。该功率既符合0402封装的功率限制,又避免了功率冗余导致的体积浪费,是小信号电路的理想选择。

3. 温度系数(TCR)

±200ppm/℃,表示温度每变化1℃,阻值变化幅度为:
[ 27\Omega \times 200 \times 10^{-6} = 5.4\mu\Omega ]
该系数在厚膜电阻中属于中等偏优水平,可有效降低环境温度波动对电路性能的影响(如户外设备的昼夜温差、工业设备的高低温切换)。

4. 工作温度范围

-55℃+155℃,覆盖工业级温度标准(一般工业级为-40℃+85℃,汽车级为-40℃~+125℃),可满足极端环境下的长期可靠运行(如户外便携设备、小型工业控制器)。

三、封装与物理特性

采用0402封装(英制:0.04英寸×0.02英寸;公制:1.0mm×0.5mm),是目前小型贴片电阻的主流封装之一,核心优势包括:

  • 体积紧凑:单颗占用PCB面积仅0.5mm²,可提升布线密度30%以上,支持设备进一步小型化、轻薄化;
  • 贴片兼容性:适配标准SMT生产线,实现高速贴装(速度可达10万颗/小时),降低生产人工成本与误操作风险;
  • 低EMI干扰:无外露引脚设计,减少电磁辐射与干扰,提升电路信号稳定性。

四、可靠性与环境适应性

作为松下厚膜电阻产品,ERJ2GEJ270X具备以下可靠性优势:

  1. 工艺稳定性:采用厚膜印刷工艺,电阻膜层均匀性好,长期阻值漂移率≤0.5%/1000小时(符合松下内部质量标准);
  2. 环保与抗干扰:符合RoHS 2.0、REACH指令(无铅无镉),同时具备湿度耐受性(相对湿度5%~95%),适配潮湿环境;
  3. 机械强度:陶瓷基底封装,可承受10g~20g振动(符合IEC 60068-2-6标准),适合运输设备、手持终端等易受振动的场景。

五、典型应用场景

结合参数与封装特性,ERJ2GEJ270X的典型应用领域包括:

  1. 消费电子:智能手机/平板的音频接口限流、可穿戴设备(手表/手环)的传感器信号调理;
  2. 小型工业控制:微型PLC的输入/输出接口、小型电机驱动的限流电路;
  3. 医疗电子:便携式监护仪、血糖检测仪的低功耗电路、传感器分压匹配;
  4. 物联网设备:智能门锁、智能家居传感器的信号处理电路;
  5. 车载辅助电路:胎压监测传感器、座椅传感器的外围匹配电阻(适配宽温环境)。

六、品牌与质量保障

松下作为全球电子元器件龙头,其电阻产品具备严格质量控制:

  • 参数一致性:批量产品阻值、功率离散率≤0.3%,避免电路性能差异;
  • 认证齐全:通过UL、VDE等国际安全认证,可直接用于对认证要求严格的终端产品;
  • 技术支持:提供完善的 datasheet 与批量采购方案,适配中小批量到大规模生产需求。

总结

ERJ2GEJ270X以“小体积、稳定性能、宽温适配”为核心优势,覆盖通用电路的电阻需求,是消费电子、小型工业、医疗等领域的高性价比选择。其松下品牌的质量保障,进一步提升了产品在批量生产中的可靠性与兼容性。

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