WMSIC Electronic Components

ERJ2RKF9102X

ModelERJ2RKF9102X
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 ERJ2RKF9102X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF9102X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
91kΩ
Electronic Component
1
Electronic Component
BM0264570373
Operating Temperature
55℃~+155℃
Operating Voltage
100V
Electronic Component
±100ppm/℃
Resistor Type
Resistor

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

ERJ2RKF9102X 松下厚膜贴片电阻产品概述

一、核心参数概览

ERJ2RKF9102X是松下针对小尺寸、中精度应用场景推出的厚膜贴片电阻,核心参数明确覆盖精准度、宽温范围、小功率三大需求:

  • 阻值:91kΩ(标称值),精度±1%;
  • 功率:100mW(额定功率);
  • 工作电压:100V(最大耐压);
  • 温度系数:±100ppm/℃(阻值随温度变化的漂移系数);
  • 工作温度:-55℃~+155℃;
  • 封装:0402(英制尺寸,对应公制1005,尺寸约1.0mm×0.5mm);
  • 工艺:厚膜印刷工艺(陶瓷基板+电阻浆料烧结)。

二、封装与工艺特点

1. 0402小尺寸封装

0402封装是贴片电阻中高密度布局友好型规格,尺寸仅为传统插件电阻的1/10左右,可显著降低PCB空间占用,适配便携设备、小型化模块的紧凑设计需求。

2. 厚膜电阻工艺优势

采用厚膜印刷技术(电阻浆料印刷→烧结固化→电极成型),相比薄膜电阻成本更低、阻值范围更宽,相比绕线电阻尺寸更小、抗机械应力更强,适合批量工业/消费电子应用。

三、性能优势解析

1. 精准阻值与温度稳定性

  • ±1%精度可直接满足大多数电路的分压、限流、滤波需求,无需额外校准;
  • ±100ppm/℃温度系数确保宽温下阻值漂移极小:例如在-55℃至+155℃(温差210℃)时,阻值变化仅约19Ω(91kΩ×210℃×1e-6),变化率不足0.02%,避免温变导致的电路性能波动。

2. 可靠的功率与电压能力

  • 100mW额定功率适配小信号电路(如传感器调理、音频滤波);
  • 100V最大耐压覆盖低压至中压场景(≤100V),避免电压击穿风险,兼容多数消费电子/工业电源环境。

3. 宽温环境适应性

-55℃~+155℃的工作范围覆盖了工业现场(户外设备、PLC模块)、消费电子(高温暴晒/低温严寒) 等极端场景,无需额外降额设计即可稳定工作。

四、典型应用场景

1. 便携电子设备

智能手机、智能手表、蓝牙耳机的信号调理电路(如传感器输出分压、音频滤波),利用0402小封装实现设备小型化。

2. 工业控制电路

PLC输入输出模块、温度传感器信号放大电路,宽温范围与稳定的温度系数确保工业现场(-20℃~+60℃)的长期可靠性。

3. 消费电子终端

电视、音响的音频滤波网络、电源管理电路的分压采样,±1%精度满足音频信号清晰传输与电源电压精准检测需求。

4. 小型医疗设备

血糖仪、血压计的信号处理电路,可靠的性能保障医疗数据的准确性(如血糖浓度检测的分压精度)。

五、可靠性与品质保障

松下对该元件进行了严格的可靠性验证,核心测试指标包括:

  • 负载寿命测试:额定功率下持续工作1000小时,阻值变化率≤±0.5%;
  • 温度循环测试:-55℃~+155℃循环1000次,无性能下降;
  • 湿度测试:85℃/85%RH环境下工作1000小时,阻值变化率≤±1%。

这些测试确保了元件在长期使用中的稳定性,适合对可靠性要求较高的工业、医疗、消费电子场景。

ERJ2RKF9102X凭借小尺寸、中精度、宽温稳定的特点,成为松下厚膜贴片电阻系列中适配高密度设计的经典型号,可满足多数电子设备的核心电阻需求。

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