WMSIC Electronic Components

ERJ2RKF4641X

ModelERJ2RKF4641X
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 ERJ2RKF4641X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF4641X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
4.64kΩ
Electronic Component
1
Electronic Component
BM0264850100
Operating Temperature
55℃~+155℃
Operating Voltage
50V
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.

松下ERJ2RKF4641X厚膜贴片电阻产品概述

一、产品核心身份与基础属性

ERJ2RKF4641X是松下ERJ系列厚膜贴片电阻的典型型号,针对高密度、低功耗电路设计,采用0402(英制,对应公制1005)小封装,属于工业级通用厚膜电阻范畴。型号各段含义清晰:

  • ERJ:松下厚膜贴片电阻系列标识;
  • 2R:关联0402封装规格(1.0mm×0.5mm);
  • KF:精度等级标识(±1%);
  • 4641:阻值编码(前三位有效数字464,第四位倍率10¹,即464×10¹=4640Ω=4.64kΩ);
  • X:后缀对应温度系数等特性参数(±100ppm/℃)。

二、关键性能参数详解

该电阻的核心参数覆盖低功耗电路的典型需求,各项指标平衡了尺寸与性能:

参数项 具体数值 应用意义 阻值 4.64kΩ(4640Ω) 适配音频偏置、信号滤波、电源分压等常见电路的阻值需求 精度 ±1% 满足工业控制、消费电子等场景对阻值一致性的要求(如左右声道增益匹配) 额定功率 100mW(0.1W) 0402封装下的典型功率,适配低功耗芯片(如电流10mA时,I²R=10mW远低于额定值) 最大工作电压 50V 覆盖多数低压电路(如5V、12V、24V系统),避免过压击穿 温度系数(TCR) ±100ppm/℃ 宽温范围内阻值漂移率低(每℃变化0.01%),适应-55℃~+155℃环境稳定运行 工作温度范围 -55℃~+155℃ 兼容工业、汽车辅助电路等恶劣温度场景

三、封装与物理特性

0402封装(1.0mm×0.5mm×0.3mm)是当前贴片电阻中最小规格之一,优势显著:

  1. 高密度设计:单位面积PCB可贴装更多电阻,适配智能手机、智能穿戴等小型化设备;
  2. 自动化兼容:支持高速贴片机贴装,生产效率比插件电阻提升数倍;
  3. 结构坚固:厚膜电阻采用陶瓷基板+电阻膜+电极结构,抗冲击振动能力优于薄膜电阻,适合车载、工业振动环境。

四、典型应用场景

结合参数特性,该电阻广泛应用于以下领域:

1. 消费电子

  • 智能手机/平板:音频放大电路偏置电阻、触控屏信号滤波电阻;
  • 智能穿戴:健康传感器(心率、血氧)的信号调理电阻。

2. 工业控制

  • 传感器模块:温度、压力传感器的信号放大/分压电阻;
  • PLC(可编程逻辑控制器):输入输出接口的限流/匹配电阻。

3. 通信设备

  • 射频前端:低噪声放大器(LNA)的偏置电阻;
  • 电源管理:DC-DC转换器的反馈分压电阻。

4. 汽车电子(辅助电路)

  • 车载中控:显示屏背光调节电阻;
  • 传感器节点:胎压监测(TPMS)的信号处理电阻(适配-40℃~+85℃车载环境)。

五、品牌与可靠性优势

松下作为全球电子元器件龙头,该型号具备以下可靠性保障:

  1. 工艺成熟:采用激光微调技术,阻值一致性优于行业平均水平(批量生产时偏差控制在±0.5%以内);
  2. 标准合规:符合RoHS 2.0、REACH等环保法规,无铅无卤,适配绿色制造;
  3. 测试验证:通过IEC 60068-2-6(振动测试,10~2000Hz)、IEC 61000-4-2(ESD防护,接触放电±8kV)等严苛标准;
  4. 长期稳定:在155℃高温下连续工作1000小时,阻值变化率≤0.5%,满足设备长寿命需求。

六、使用注意事项

为保证性能稳定,需遵循以下操作规范:

  1. 功率降额:当工作温度超过70℃时,额定功率需按温度降额(如125℃时降至50mW),避免过热失效;
  2. 焊接要求:采用松下推荐的回流焊曲线(峰值温度240250℃,时间3060秒),禁止手工焊接(易导致过温损坏);
  3. 存储条件:常温干燥环境(温度25℃±5℃,湿度40%~60%)存储,开封后12个月内使用完毕;
  4. 电压限制:电路中峰值电压不得超过50V,避免反向击穿。

该型号凭借小尺寸、高稳定性、宽温适配等优势,成为0402封装厚膜电阻中的高性价比选择,广泛覆盖从消费电子到工业控制的多场景需求。

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