WMSIC Electronic Components

ERJ2GEJ271X

ModelERJ2GEJ271X
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 ERJ2GEJ271X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2GEJ271X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.011g
Electronic Component
270Ω
Electronic Component
1
Electronic Component
BM0257349689
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.

松下ERJ2GEJ271X厚膜贴片电阻产品概述

ERJ2GEJ271X是松下(PANASONIC)针对小型化电子设备开发的通用型厚膜贴片电阻,依托松下成熟的厚膜工艺与品控体系,兼具稳定的电气性能、紧凑的封装尺寸与宽温适应性,广泛适配消费电子、工业控制、通信等领域的电路设计需求。

一、核心参数规格

ERJ2GEJ271X的核心参数清晰覆盖通用电路的基础需求,具体如下:

  • 电阻类型:厚膜贴片电阻(采用钌基厚膜浆料+氧化铝陶瓷基片工艺);
  • 标称阻值:270Ω(型号中“271”表示阻值为27×10¹=270Ω);
  • 精度等级:±5%(满足大多数工业、消费类电路的阻值偏差要求);
  • 额定功率:100mW(适配小功率电路的持续工作场景,如信号调理、电源分压);
  • 温度系数(TCR):±200ppm/℃(基准温度25℃,阻值随温度变化的相对速率);
  • 工作温度范围:-55℃~+155℃(覆盖工业级环境的极端温度场景);
  • 封装尺寸:0402(英制:0.04in×0.02in;公制:1.016mm×0.508mm);
  • 品牌与系列:松下ERJ通用厚膜电阻系列。

二、关键性能特性

1. 阻值精度与稳定性

±5%的精度等级可满足90%以上的通用电路需求(如分压、限流、阻抗匹配),厚膜工艺带来的阻值一致性优势,使批次间差异控制在极小范围,避免因阻值漂移导致的电路性能波动。

2. 功率与温度特性平衡

100mW额定功率适配0402封装的功率密度上限,可稳定承载小功率电路的持续负载;±200ppm/℃的温度系数在宽温范围内表现稳定:以270Ω为例,155℃时相比25℃的阻值变化量约为7Ω(变化率2.6%),仍处于±5%精度范围内,确保高低温环境下电路参数的一致性。

3. 焊接兼容性

支持回流焊、波峰焊等常规贴片焊接工艺,无铅制程符合RoHS、REACH等环保标准,适配现代电子设备的无铅化生产要求,同时避免焊接过程中的性能衰减。

三、封装与工艺优势

1. 0402小型化封装

1.016mm×0.508mm的紧凑尺寸,可显著节省PCB布局空间,尤其适合智能手机、智能穿戴、小型传感器等对体积敏感的设备设计,提升电路集成度。

2. 厚膜工艺的性价比优势

采用丝网印刷+高温烧结的厚膜工艺,相比薄膜电阻成本更低,相比绕线电阻更易小型化,在保证基础性能的前提下,为中低端电子设备提供高性价比的电阻选型方案。

3. 耐环境封装设计

电阻膜层采用氧化铝陶瓷基片支撑,表面覆盖环氧树脂保护涂层,可抵御轻微机械损伤与环境湿度影响,提升长期使用可靠性。

四、典型应用场景

1. 消费电子领域

  • 智能手机/智能手表:电池管理电路的电流检测分流电阻、信号链路的滤波电阻;
  • 便携式音频设备:耳机放大器的偏置电阻、音量调节电路的分压电阻。

2. 工业控制领域

  • 小型传感器模块:温度/压力传感器的信号调理电路分压电阻;
  • PLC输入输出模块:数字信号的限流保护电阻、模拟信号的阻抗匹配电阻。

3. 通信设备领域

  • 路由器/交换机:电源模块的反馈回路电阻、以太网接口的信号匹配电阻;
  • 小型基站:射频前端的低功率匹配电阻。

4. 汽车电子辅助场景

  • 车载仪表盘:背光调节电路的分压电阻(适配-40℃~+85℃的常规车载环境);
  • 车载充电器:USB接口的限流电阻(小功率场景)。

五、可靠性与环境适应性

1. 宽温工作能力

-55℃~+155℃的工作温度范围,可覆盖工业车间、户外设备、高温存储等场景,满足工业级设备的环境要求。

2. 长期可靠性

松下严格的品控体系确保每批次电阻的阻值一致性、焊接兼容性与老化特性稳定,符合JEDEC J-STD-020等电子元器件可靠性标准,可支持设备5年以上的长期稳定运行。

3. 抗干扰性能

厚膜电阻的低噪声特性,可减少电路中的热噪声干扰,适合对信号纯度要求较高的模拟电路设计。

总结

ERJ2GEJ271X作为松下通用厚膜贴片电阻的代表型号,以紧凑的0402封装、稳定的电气性能、宽温适应性与高性价比,成为小型化电子设备中电阻选型的优选方案。其适配多领域应用场景的能力,可有效满足消费电子、工业控制等领域对电路可靠性与集成度的需求。

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