WMSIC Electronic Components

ERJ2RKF2403X

ModelERJ2RKF2403X
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 ERJ2RKF2403X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF2403X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
240kΩ
Electronic Component
1
Electronic Component
BM0257349560
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.

松下ERJ2RKF2403X厚膜贴片电阻产品概述

一、产品定位与核心身份

松下ERJ2RKF2403X是一款0402封装的工业级厚膜贴片电阻,隶属于松下通用型电阻系列,主打「小尺寸、高精度、宽温适应性」三大核心特性,专为消费电子、工业控制、汽车电子等领域的高密度、低功耗电路设计,兼顾性能与成本平衡,是批量应用的理想选择。

二、关键性能参数深度解析

该电阻的核心参数围绕「精度、功率、环境耐受」三大维度设计,具体如下:

1. 阻值与精度

  • 标称阻值:240kΩ(编码对应:240×10³Ω,后缀「2403」为行业标准阻值标识);
  • 精度等级:±1%(满足绝大多数电路的误差要求,如分压网络、信号滤波、传感器接口等场景,无需额外校准)。

2. 功率与电压极限

  • 额定功率:100mW(0.1W)(匹配0402封装的典型功率等级,适合低功耗电路,如可穿戴设备、小型传感器模块);
  • 最大工作电压:100V(结合功率公式验证:(V_{max}^2/R = 100^2/240k ≈ 41.7mW),远低于额定功率,安全余量充足)。

3. 温度特性与环境范围

  • 温度系数(TCR):±100ppm/℃(每摄氏度阻值变化±0.01%,举例:温度从25℃升至125℃时,阻值变化仅±2.4kΩ,仍在±1%精度内);
  • 工作温度:-55℃~+155℃(覆盖工业级极端环境,如户外设备低温、工业控制柜高温,无需额外降额)。

三、封装与工艺优势

1. 0402封装的空间价值

  • 尺寸规格:英制0402(公制1005),实际尺寸约1.0mm×0.5mm×0.35mm,可将PCB密度提升30%以上(对比0603封装),适配智能手机、可穿戴设备等小型化产品;
  • 焊接兼容性:兼容回流焊、波峰焊等常规SMT工艺,焊接缺陷率低于行业平均水平(松下封装设计优化了焊盘附着力)。

2. 厚膜工艺的性能平衡

采用「陶瓷基底+丝网印刷电阻浆料+烧结」工艺:

  • 成本优势:比薄膜电阻低20%~30%,适合批量生产;
  • 稳定性:电阻浆料配方优化,长期老化后阻值漂移≤0.5%(符合JIS C 5201标准);
  • 抗湿性:陶瓷基底隔离潮气,在高湿环境(85℃/85%RH)下性能衰减极小。

四、典型应用场景

该电阻的参数特性使其适配多领域场景:

1. 消费电子

  • 智能手机/平板:信号调理电路(如音频分压、射频滤波)、电池管理模块;
  • 可穿戴设备:智能手环/手表的传感器接口(心率、加速度传感器的偏置电阻)。

2. 工业控制

  • 小型PLC:数字输入/输出模块的限流电阻;
  • 传感器模块:温度、压力传感器的信号放大偏置电路(适应-55℃~+155℃宽温)。

3. 汽车电子(辅助级)

  • 车载小型传感器:胎压监测模块(TPMS)、座椅传感器的辅助电路(部分场景适配汽车级温度范围)。

4. 通信设备

  • 无线模块:蓝牙、WiFi模块的射频前端匹配电阻(低功耗、小尺寸)。

五、可靠性与合规性

1. 可靠性验证

  • 高温老化:155℃下1000小时阻值变化≤0.5%;
  • 温度循环:-55℃~+155℃循环1000次,无开路/短路故障;
  • 机械强度:符合IEC 60068-2-21振动测试(10~2000Hz,加速度2g)。

2. 合规性

  • RoHS认证:无铅工艺,符合欧盟环保指令;
  • 卤素-free:满足无卤要求,适配高端客户环保标准。

总结

松下ERJ2RKF2403X以「小尺寸(0402)、高精度(±1%)、宽温(-55~155℃)、低成本」为核心竞争力,覆盖消费电子、工业、汽车等多领域的低功耗、高密度电路需求,是松下厚膜电阻系列中极具性价比的通用型产品,适合批量应用场景下的性能与成本平衡。

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