WMSIC Electronic Components

ERJ3EKF9092V

ModelERJ3EKF9092V
Package0603
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 ERJ3EKF9092V
Type
PANASONIC
Minimum package
5000

Technical parameters

Power
100mW
Electronic Component
PANASONIC
Electronic Component
ERJ3EKF9092V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
90.9kΩ
Electronic Component
1
Electronic Component
BM0257349747
Operating Temperature
55℃~+155℃
Operating Voltage
150V
Electronic Component
±100ppm/℃
Resistor Type
Resistor
Electronic Component
5000

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

ERJ3EKF9092V 厚膜贴片电阻产品概述

ERJ3EKF9092V是松下电子推出的一款厚膜贴片电阻,采用0603(英制封装,对应公制1608)小型化设计,专为精密电子电路的小功率、高精度需求打造。产品凭借成熟的厚膜工艺、稳定的性能参数及宽温适应性,成为消费电子、工业控制、汽车电子等领域的常用选型。

一、产品核心定位与应用领域

该电阻定位于中低端精密电路的信号调理与功率限流,核心优势在于“小体积下的高精度与宽温稳定”,主要应用场景包括:

  • 消费电子:智能手机、平板的音频电路、电源管理模块;
  • 工业控制:传感器信号放大、PLC输入输出接口;
  • 汽车电子:车载信息娱乐系统、低功耗传感器模块;
  • 通信设备:WiFi/蓝牙射频前端匹配、基站辅助电路;
  • 医疗设备:便携式监护仪的信号采集电路。

二、关键参数与性能解读

产品核心参数围绕“精密、稳定、小功率”设计,具体指标及意义如下:

  1. 阻值与精度:90.9kΩ(代码9092,前三位有效数字+倍率10²),精度±1%——满足大部分精密电路的阻值一致性要求,避免因阻值偏差导致的信号失真;
  2. 功率与电压:额定功率100mW(0.1W),最大工作电压150V——适合低功耗电路(如微控制器周边),150V的电压上限可覆盖中低压场景;
  3. 温度系数:±100ppm/℃——温度每变化1℃,阻值变化±9.09Ω(90.9kΩ×100ppm),约±0.01%/℃,宽温下阻值稳定性优异;
  4. 工作温度范围:-55℃~+155℃——符合工业级与汽车级环境要求,可应对极端温度场景。

三、封装工艺与结构特点

  1. 封装尺寸:0603(1.6mm×0.8mm×0.45mm)——体积小巧,适配高密度PCB设计,降低电路布局难度;
  2. 厚膜工艺:采用丝网印刷+高温烧结工艺,相比薄膜电阻成本更低,抗浪涌能力更强;松下的厚膜工艺可实现批量生产的阻值一致性(±1%以内),且阻值范围覆盖广;
  3. 结构设计:电阻体采用厚膜浆料烧结于陶瓷基底,两端镀锡电极(兼容回流焊/手工焊),电极附着力强,耐焊接热性能优异。

四、可靠性与环境适应性

松下对该产品的可靠性管控严格,主要表现为:

  1. 环境试验:符合IEC 60068-2标准(湿热、温度冲击、振动),-55℃~+155℃温度冲击下,阻值变化≤0.5%;
  2. 耐焊接热:回流焊峰值温度260℃(10秒内)后,阻值漂移≤0.2%;
  3. 寿命测试:额定条件下(25℃、100mW)连续工作1000小时,阻值变化≤0.3%;
  4. 抗ESD:符合IEC 61000-4-2标准,接触放电±8kV、空气放电±15kV下无失效。

五、典型应用场景示例

  1. 智能手机音频电路:作为耳机接口的分压电阻,1%精度保证音频信号的电平匹配,避免音质失真;0603封装适配手机主板的高密度布局;
  2. 工业温度传感器调理:PT100温度传感器的信号放大电路中,作为限流电阻,宽温范围适应车间的昼夜温差;
  3. 车载蓝牙模块:射频前端的匹配电阻,150V电压上限应对汽车电路的瞬态过压,100mW功率满足低功耗需求;
  4. WiFi模块信号匹配:0603封装适配WiFi模块的小型化设计,±1%精度保证射频信号的匹配效果,降低信号损耗。

六、使用与选型注意事项

  1. 功率降额:环境温度超过25℃时需降额使用(如125℃时降额至50%,即50mW),避免过热导致阻值漂移;
  2. 电压限制:实际工作电压不得超过150V,否则可能击穿电阻体;
  3. 焊接工艺:回流焊温度曲线需符合松下推荐(峰值260℃,10秒内);手工焊烙铁头温度≤350℃,焊接时间≤3秒;
  4. 静电防护:精密电路中需佩戴防静电手环,避免ESD导致阻值变化;
  5. 批量选型:松下该型号一致性优异,批量采购时可直接按参数选型,无需额外筛选。

该产品在“性能-成本-体积”上实现平衡,是精密电子电路设计中替代普通±5%电阻的理想选择,尤其适合对精度、宽温适应性有要求的小功率场景。

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