WMSIC Electronic Components

ERJ2RKF1301X

ModelERJ2RKF1301X
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 ERJ2RKF1301X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF1301X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
1.3kΩ
Electronic Component
1
Electronic Component
BM0257349728
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.

ERJ2RKF1301X 精密厚膜贴片电阻器产品概述

一、产品基本信息与品牌背景

ERJ2RKF1301X是松下(PANASONIC)推出的精密级厚膜贴片电阻器,属于该品牌厚膜电阻产品线中的高可靠性型号。松下作为全球电子元器件领域的领先厂商,其厚膜电阻产品以稳定的工艺控制、精准的参数一致性及长期可靠性著称,广泛应用于工业控制、消费电子、通信设备等多个领域。该型号定位为小型化精密电阻,适配高密度电路设计需求,是替代传统插件电阻的理想选择。

二、核心电气性能参数详解

该型号的核心电气参数针对精密应用场景优化,关键参数如下:

  1. 阻值与标识:阻值为1.3kΩ(1301标识对应:前三位有效数字130,第四位倍率10¹,即130×10¹=1300Ω=1.3kΩ);
  2. 精度:±1%,满足精密电路中对电阻值偏差的严格要求(如信号调理、分压电路等对阻值精度敏感的场景);
  3. 额定功率:100mW(0.1W),在0402封装尺寸下实现了较高的功率密度,能稳定承载小功率信号处理中的电流负载;
  4. 温度系数(TCR):±100ppm/℃,表示温度每变化1℃,阻值变化量为1.3kΩ×100ppm=0.13Ω,该参数确保了宽温度范围内阻值的稳定性,降低了环境温度波动对电路性能的影响。

三、封装与物理特性

ERJ2RKF1301X采用0402封装(英制:0.04×0.02英寸,公制:1.0×0.5mm),是贴片电阻中较为紧凑的封装类型之一,适配高密度PCB设计,可有效缩小电路模块体积。封装结构为「陶瓷基片+厚膜电阻层+电极」,具备以下优势:

  • 机械强度高:陶瓷基片耐冲击,避免焊接或使用中开裂;
  • 耐焊接性强:适配回流焊、波峰焊等SMT工艺,符合自动贴装设备的高速生产要求;
  • 尺寸一致性好:批量生产中封装尺寸偏差控制在±0.05mm内,提升贴装良率。

四、温度特性与可靠性

  1. 宽温工作范围:-55℃~+155℃,覆盖工业级环境的极端温度波动(如户外设备、汽车电子等场景),无需额外温度补偿即可稳定工作;
  2. 可靠性验证:松下对该型号完成多项可靠性测试,包括:
    • 高温存储(155℃/1000h):阻值漂移≤0.5%;
    • 温度循环(-55℃~+155℃/1000次):性能无衰减;
    • 湿度加载(85℃/85%RH/1000h):阻值变化≤0.3%;
  3. 抗静电能力:厚膜电阻结构抗静电能力优于薄膜电阻,可承受±2kV(人体模型)静电放电,降低生产中静电失效风险。

五、典型应用场景

ERJ2RKF1301X的参数特性使其适用于以下场景:

  1. 工业控制:PLC模块、传感器信号调理电路(如压力/温度传感器的分压、放大电路);
  2. 消费电子:智能手机/平板电脑的电源管理模块、音频电路(利用0402封装缩小体积);
  3. 通信设备:基站射频前端、路由器偏置电路(需稳定小功率负载);
  4. 汽车电子:车载传感器(如胎压监测、氧传感器)的信号处理电路(适配-40℃~+125℃车载环境)。

六、选型与应用注意事项

  1. 功率降额:环境温度高于+70℃时,建议负载功率控制在额定功率的80%以下(如≤80mW),避免长期过载导致阻值漂移;
  2. 焊接工艺:遵循松下推荐的回流焊曲线(峰值温度245℃±5℃,时间≤10秒),避免高温损伤封装;
  3. 静电防护:生产中需使用防静电工作台、手环,避免静电放电损坏电阻;
  4. 电路匹配:在精密电流采样电路中,需与运放、ADC等元件参数匹配,确保整体精度符合设计要求。

该型号凭借松下的工艺优势与精准参数,成为小型化精密电路设计中的可靠选择,可满足多领域对电阻稳定性、精度的需求。

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