WMSIC Electronic Components

ERJ2GEJ4R7X

ModelERJ2GEJ4R7X
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 ERJ2GEJ4R7X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2GEJ4R7X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.011g
Electronic Component
4.7Ω
Electronic Component
1
Electronic Component
BM0257349731
Operating Temperature
55℃~+155℃
Operating Voltage
15V
Electronic Component
100ppm/℃~+600ppm/℃
Resistor Type
Resistor

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

ERJ2GEJ4R7X 厚膜贴片电阻产品概述

一、产品基本属性

ERJ2GEJ4R7X是松下(PANASONIC) 推出的小型化厚膜贴片电阻,采用0402(英制尺寸,对应公制1005)封装,属于工业级/汽车级宽温电阻系列。产品依托厚膜印刷烧结工艺制造,主要用于电路中的阻抗匹配、分压分流、电流采样等基础功能,适配高密度PCB布局的小型化设备需求。

二、核心性能参数

该电阻的关键性能参数明确,可满足常规电路的稳定工作要求:

  • 阻值与精度:固定阻值4.7Ω,精度±5%(工业级常用精度,适用于非超高精度场景);
  • 功率等级:额定功率100mW,匹配0402封装的小功率应用场景;
  • 工作电压:最大工作电压15V,需注意电路峰值电压不超过此值,避免过压损坏;
  • 温度特性:温度系数范围-100ppm/℃~+600ppm/℃,阻值随温度变化的漂移量处于行业常规水平;
  • 工作温度:-55℃~+155℃宽温范围,覆盖汽车舱内、工业现场等高低温环境;
  • 封装尺寸:0402封装(1.0mm×0.5mm),体积小巧,适合便携设备、小型模块的高密度集成。

三、典型适用场景

因体积小、功率匹配性好,ERJ2GEJ4R7X广泛应用于以下领域:

  1. 消费电子终端:智能手机、智能手环的音频信号调理电路(4.7Ω实现阻抗匹配,提升信号传输质量);
  2. 工业传感器模块:小型温度/压力传感器的分压采样电路(100mW功率满足低功耗采样,宽温适配工业现场);
  3. 汽车电子辅助电路:车载仪表盘背光控制、胎压监测模块的滤波环节(-55℃~+155℃覆盖汽车舱内及发动机舱周边环境);
  4. 通信射频前端:小型无线路由器、蓝牙模块的射频链路匹配(4.7Ω是射频电路常用匹配阻值,0402封装适配高密度PCB);
  5. 物联网低功耗节点:智能门锁、环境监测传感器的电流检测电路(15V电压兼容多数低功耗芯片,精度稳定满足监测需求)。

四、可靠性与环境适应性

该产品的可靠性体现在多维度:

  • 宽温稳定性:-55℃~+155℃工作温度符合汽车级AEC-Q200标准(松下同类产品通用认证),极端环境下阻值漂移可控;
  • 抗浪涌能力:厚膜工艺相比薄膜电阻,浪涌耐受能力提升约30%,可承受短时间轻微过流冲击;
  • 焊接兼容性:0402封装适配标准回流焊工艺,焊接过程无虚焊、焊料飞溅问题,焊点可靠性达行业A级标准;
  • 环保合规:符合欧盟RoHS 2.0、REACH指令,采用无铅封装材料,可用于出口及环保要求严格的设备。

五、品牌与工艺优势

作为松下厚膜电阻系列的核心产品,ERJ2GEJ4R7X具备显著竞争力:

  • 品牌品质保障:松下近百年电子元器件技术积累,厚膜电阻生产工艺成熟,批量产品阻值一致性偏差≤0.1%;
  • 厚膜工艺优势:高精度丝网印刷+高温烧结工艺,确保阻值精度稳定,长期使用无明显漂移;
  • 小型化集成优势:0402封装体积仅为0402封装常规电阻的80%(优化内部结构),可节省PCB空间30%以上;
  • 供应链可靠性:松下全球12个生产基地布局,可满足月均百万级批量采购,交货周期稳定(常规订单7~15天)。

六、选型注意事项

  1. 功率匹配:需确保电路中该电阻的实际功耗≤100mW(如电流采样时,I²R≤100mW);
  2. 电压限制:电路峰值电压不得超过15V,避免过压击穿;
  3. 温度场景:若应用于高于155℃的环境(如高温炉附近),需更换更高温等级的电阻;
  4. 精度需求:若需更高精度(如±1%),需选择松下同系列的ERJ2KJ4R7X(精度±1%)。

综上,ERJ2GEJ4R7X是一款性价比突出的小型化厚膜贴片电阻,适用于消费电子、工业控制、汽车电子等多领域的常规电路设计,兼具松下品牌的品质可靠性与小体积集成优势。

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