WMSIC Electronic Components

ERJ2RKF5233X

ModelERJ2RKF5233X
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 ERJ2RKF5233X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF5233X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
523kΩ
Electronic Component
1
Electronic Component
BM0264850077
Operating Temperature
55℃~+155℃
Electronic Component
±100ppm/℃
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.

ERJ2RKF5233X 松下0402贴片厚膜电阻产品概述

一、核心参数总览

ERJ2RKF5233X是松下推出的0402封装厚膜贴片电阻,核心参数如下表所示:

参数项 规格描述 电阻类型 厚膜印刷贴片电阻 标称阻值 523kΩ 精度等级 ±1%(F级) 额定功率 100mW(25℃环境下) 温度系数(TCR) ±100ppm/℃ 工作温度范围 -55℃ ~ +155℃ 封装尺寸 0402(英制:0.04"×0.02";公制:1.0mm×0.5mm) 品牌 松下(PANASONIC) 环保标准 符合RoHS(无铅)

二、关键性能特性解析

1. 厚膜工艺的稳定性优势

采用丝网印刷+高温烧结的厚膜工艺制备,阻值一致性优于薄膜电阻的批量生产表现,长期使用(1000小时/125℃)阻值漂移率通常低于0.5%,适合对稳定性要求较高的模拟电路。

2. 高精度与阻值适配性

±1%的精度满足大多数工业控制、消费电子的电路匹配需求(如传感器信号放大的偏置电阻);523kΩ属于中高阻范围,适配分压、滤波、限流等典型应用场景。

3. 低功率与小型化平衡

100mW额定功率适配低功耗电路(如便携设备的信号调理),0402封装实现高密度PCB设计(1cm²可容纳约4000个该电阻),不牺牲性能的前提下节省空间。

4. 宽温下的阻值稳定性

±100ppm/℃的TCR意味着:当环境温度变化100℃时,阻值漂移仅约0.523kΩ(523kΩ×100ppm×100℃),可稳定工作于极端温度场景(如汽车发动机舱、户外工业设备)。

三、设计优势与典型应用

1. 核心设计优势

  • 小型化适配:0402封装尺寸仅1.0mm×0.5mm,适合智能手机、智能手表等便携设备的高密度布局;
  • 抗硫化性能:厚膜电阻的玻璃釉保护层可抵御高湿度、含硫环境(如沿海地区、工业废气场景);
  • 自动化兼容:卷带包装(10000个/卷)适配SMT高速贴片机,焊接良率高于99.9%。

2. 典型应用场景

  • 便携电子:智能手机音频电路分压、蓝牙耳机信号滤波;
  • 工业控制:PLC输入电路限流、温度传感器信号放大偏置;
  • 消费电子:智能音箱电源分压、遥控器信号调理;
  • 汽车电子:车载仪表盘背光控制、辅助传感器信号处理(适配-40℃~+125℃的车载环境)。

四、可靠性与应用注意事项

1. 功率降额要求

额定功率为25℃环境下的数值,实际应用需遵循温度-功率降额曲线:

  • 55℃时功率上限为70mW;
  • 125℃时功率上限为30mW;
  • 155℃时功率上限为10mW。

2. 焊接兼容性

适配无铅回流焊工艺,推荐焊接参数:

  • 峰值温度:240℃~250℃;
  • 高温时间:10s~20s;
  • 焊盘设计:遵循IPC标准(0.6mm×0.3mm焊盘尺寸)。

3. 长期可靠性验证

松下官方测试显示:该电阻在-55℃~+155℃循环1000次后,阻值变化率≤0.2%;在湿度85%/温度85℃环境下放置1000小时,阻值变化率≤0.3%。

五、封装与兼容性说明

  • 封装尺寸:引脚间距约0.4mm,适配0.1mm~0.2mm厚度的PCB板材;
  • 包装方式:8mm卷带包装,兼容主流SMT贴片机(如富士、西门子系列);
  • 替代兼容性:阻值523kΩ±1%的0402封装电阻中,可直接替代部分日系品牌(如TDK、村田)的同规格产品。

ERJ2RKF5233X作为松下厚膜电阻的经典型号,在稳定性、精度与小型化之间实现了良好平衡,是消费电子、工业控制等领域低功耗电路的高性价比选择。

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