WMSIC Electronic Components

ERJ2RKF5232X

ModelERJ2RKF5232X
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 ERJ2RKF5232X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF5232X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
52.3kΩ
Electronic Component
1
Electronic Component
BM0257349707
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.

ERJ2RKF5232X 厚膜贴片电阻产品概述

ERJ2RKF5232X是松下(PANASONIC)推出的一款0402封装厚膜贴片电阻,针对小型化电子设备的高密度设计需求,兼顾稳定性能与成本优势,广泛应用于消费电子、工业控制等多领域场景。

一、产品核心定位与基础属性

该电阻属于通用型厚膜贴片电阻,核心参数明确匹配中小功率电路的阻值匹配、限流、偏置等功能需求:

  • 阻值:52.3kΩ(精确非整数阻值,可避免串联/并联电阻的误差累积);
  • 精度:±1%(工业级常规精度,满足大多数电路的信号一致性要求);
  • 功率等级:100mW(0402封装的典型额定功率,适配低功耗电路设计);
  • 封装:0402(英制尺寸,对应公制1005,尺寸约1.0mm×0.5mm,为小型化设备主流封装)。

二、关键技术参数深度解析

1. 阻值与精度特性

52.3kΩ ±1%的规格兼具精准性与实用性:非整数阻值可直接匹配定制化电路(如传感器偏置、模拟信号调理),无需额外电阻组合;±1%精度无需校准即可实现稳定的电路性能,覆盖90%以上的常规应用场景。

2. 功率与负载能力

100mW额定功率是0402封装厚膜电阻的标准配置,在25℃环境下可长期稳定工作。需注意温度降额:当环境温度超过70℃时,功率需按曲线降低(如125℃时降额至50mW),确保阻值稳定性与使用寿命。

3. 温度系数(TCR)与宽温适应性

±100ppm/℃的TCR是厚膜电阻的常规表现:温度每变化1℃,阻值变化±0.01%。以工作范围-55℃~+155℃计算,最大温差210℃时,阻值总变化约±2.1%,可满足工业控制、车载辅助电路等宽温需求。

4. 封装与贴装兼容性

0402封装兼容主流SMT工艺(回流焊、选择性波峰焊),贴装精度高;松下封装工艺确保引脚与PCB附着力符合IPC标准,可承受常规振动(10~2000Hz,1g)与冲击(1000m/s²,1ms)测试。

三、设计特点与品牌优势

1. 厚膜工艺的性能平衡

厚膜电阻采用丝网印刷+高温烧结工艺,膜层厚度(10~100μm)远厚于薄膜电阻,具备:

  • 耐过流能力:短期1.5倍额定功率下,阻值漂移≤±0.2%,不易开路;
  • 长期稳定性:1000小时125℃负载测试后,阻值变化≤±0.5%,批次一致性佳。

2. 松下品牌的可靠性保障

  • 符合RoHS 2.0、REACH环保标准,无铅无卤;
  • 每批次通过温度循环(-55~155℃,1000次)、湿度老化(85℃/85%RH,1000小时)测试,确保工业级可靠性。

四、典型应用场景

1. 消费电子领域

  • 智能手机/平板:PMIC分压电路、音频信号调理;
  • 可穿戴设备:心率传感器偏置、电池保护电路。

2. 工业控制领域

  • 小型PLC:数字I/O限流、模拟量采集滤波;
  • 传感器模块:温度/压力传感器信号放大偏置。

3. 通信与物联网

  • WiFi/蓝牙模块:射频前端偏置、信号滤波;
  • 小型基站:低功耗射频电路匹配。

五、总结

ERJ2RKF5232X以紧凑尺寸、稳定性能、宽温适应性为核心优势,适配小型化电子设备的高密度设计,同时兼顾成本与可靠性。其精确的52.3kΩ阻值可直接匹配定制化电路,减少误差累积,是消费电子、工业控制等领域中小功率电路的理想选择。

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