WMSIC Electronic Components

ERJ2RKF62R0X

ModelERJ2RKF62R0X
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 ERJ2RKF62R0X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF62R0X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
62Ω
Electronic Component
1
Electronic Component
BM0264567824
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.

ERJ2RKF62R0X 厚膜贴片电阻产品概述

一、产品核心身份与定位

ERJ2RKF62R0X是松下(PANASONIC) 旗下ERJ2RK系列的厚膜贴片电阻,属于小功率高精度电阻范畴。其核心定位为高密度PCB设计场景的稳定阻值控制元件,适配消费电子、工业控制等对尺寸、精度有要求的电路系统。

二、关键性能参数深度解析

该产品的性能参数精准匹配常规电路需求,核心参数如下:

1. 阻值与精度

  • 额定阻值:62Ω(标准欧姆值,无特殊阻值偏差);
  • 精度等级:±1%(对应电子元器件F级精度),无需额外校准即可实现稳定的分压、限流功能,满足多数工业/消费电路的偏差要求。

2. 功率与功率余量

  • 额定功率:100mW(0.1W),为0402封装厚膜电阻的常规功率等级;
  • 实际应用建议:预留30%以上功率余量(即负载功率≤70mW),避免长期过热导致阻值漂移或失效。

3. 温度系数(TCR)

  • 指标:±100ppm/℃,表示温度每变化1℃,阻值变化量为额定阻值的0.01%(如62Ω×0.01%=0.0062Ω/℃);
  • 温漂计算:在-55℃~+155℃范围内,最大阻值变化约为62Ω×100ppm×210℃(温度跨度)=1.302Ω,适合一般环境温度波动场景(非超高精度模拟电路)。

4. 工作温度与封装

  • 工作温度:-55℃~+155℃,覆盖工业级设备的典型极端温度区间;
  • 封装尺寸:0402(英制,公制1005),尺寸约1.0mm×0.5mm×0.3mm,是目前主流小型化封装之一,适配智能手机、可穿戴设备等高密度PCB设计。

三、封装与工艺设计优势

该产品采用松下成熟的厚膜电阻工艺,核心结构与优势如下:

1. 基底与电阻层

  • 基底:高纯度氧化铝陶瓷,导热性优异,可快速散发热量,降低功率损耗对阻值的影响;
  • 电阻层:钌系厚膜浆料经高温烧结形成,阻值稳定性强,抗老化性能优于碳膜电阻。

2. 电极与保护层

  • 电极:银钯合金电极,附着力强,耐焊接热(符合J-STD-020回流焊标准),焊接后不易脱落;
  • 保护层:环氧树脂涂层,抗机械损伤、防潮、防腐蚀,延长产品使用寿命(湿热试验后阻值变化≤0.5%)。

四、典型应用场景

该产品的参数适配多个领域的常规电路需求:

1. 消费电子

  • 智能手机、平板电脑的信号调理电路(如音频分压、LED限流);
  • 智能手表、蓝牙耳机的电源辅助电路(如电池充放电限流)。

2. 工业控制

  • PLC(可编程逻辑控制器)的传感器接口电路(如温度传感器信号放大);
  • 工业变频器的辅助控制电路(如继电器驱动限流)。

3. 通信设备

  • 基站、路由器的射频辅助电路(如滤波分压、信号耦合);
  • 光模块的电源稳压电路(如电压基准分压)。

4. 汽车电子(辅助电路)

  • 车载中控、仪表盘的指示灯限流电路;
  • 倒车雷达的信号处理电路(依赖宽温范围适配车载环境)。

五、可靠性与长期稳定性

松下的生产工艺确保该产品具备可靠的长期性能:

  1. 耐焊接热:可承受260℃回流焊10秒,无阻值漂移或外观损伤;
  2. 机械可靠性:厚膜结构抗弯曲能力强,0402封装可承受±0.5mm的PCB弯曲,适合批量生产中的运输与焊接;
  3. 批次一致性:同批次产品阻值偏差控制在±0.5%以内,避免批量生产中的电路性能波动。

六、应用注意事项

为确保产品性能稳定,需注意以下细节:

  1. 功率余量:实际负载功率需低于额定功率的70%,避免过热老化;
  2. 静电防护:操作时佩戴防静电手环,避免ESD(静电放电)损伤电阻层;
  3. 焊接工艺:采用Type 3细间距焊膏,回流焊温度曲线需匹配0402封装(峰值温度245℃±5℃,时间≤10秒),避免桥接或虚焊;
  4. 温漂匹配:若电路对阻值温漂敏感(如高精度模拟电路),需确认该产品±100ppm/℃的TCR是否满足设计要求,必要时选择低TCR型号(如±50ppm/℃)。

该产品以小尺寸、高精度、宽温范围为核心优势,是高密度电路设计中替代传统插件电阻的理想选择,适配多数常规电子设备的稳定运行需求。

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