WMSIC Electronic Components

ERJ2RKF1822X

ModelERJ2RKF1822X
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 ERJ2RKF1822X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF1822X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
18.2kΩ
Electronic Component
1
Electronic Component
BM0257349720
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.

ERJ2RKF1822X 松下厚膜片式电阻产品概述

ERJ2RKF1822X是松下(PANASONIC)针对小型化、高可靠电路设计推出的0402封装厚膜片式电阻,兼顾精度、温漂特性与环境适应性,广泛覆盖消费电子、汽车电子、IoT等领域的低功耗电路需求。

一、产品基本属性

该电阻属于松下ERJ2RKF系列核心型号,基础属性明确:

  • 品牌与系列:PANASONIC(松下)ERJ2RKF系列厚膜电阻,采用成熟丝网印刷+烧结工艺;
  • 封装形式:0402英制封装(尺寸1.0mm×0.5mm),符合IPC J-STD-001表面贴装标准;
  • 型号编码:型号中“1822”为阻值标识(四位编码规则:前三位182为有效数字,第四位2为10²幂,即182×10²Ω=18.2kΩ),后缀“X”代表RoHS无铅环保规格。

二、核心性能参数

ERJ2RKF1822X的参数匹配主流低功耗电路设计,关键指标如下:

参数项 规格值 实际意义 标称阻值 18.2kΩ 四位编码对应,满足信号匹配、分压网络的阻抗需求 精度等级 ±1% 适用于多数模拟电路(如放大器增益设定、滤波网络),无需额外校准 额定功率 62.5mW(@70℃)/100mW(@25℃) 0402封装厚膜电阻的典型功率范围,覆盖IoT传感器、便携设备的低功耗场景 最大工作电压 50V 不超过该值可避免击穿,保证长期可靠工作 温度系数(TCR) ±100ppm/℃ 每摄氏度阻值变化±100ppm,125℃时漂移约±0.27%,宽温下性能稳定 工作温度范围 -55℃~+155℃ 工业级宽温,适配汽车发动机舱(-40~125℃)、户外IoT设备等极端环境

三、典型应用场景

该电阻的小封装、宽温特性使其适配多类场景:

  1. 消费电子:智能手机射频前端匹配电路(节省PCB空间)、智能手表传感器信号调理(宽温覆盖佩戴环境);
  2. 汽车电子:车载胎压监测传感器的信号滤波、低功耗控制电路(符合AEC-Q200汽车级标准);
  3. IoT与工业控制:智能网关通信模块的阻抗匹配、工业传感器节点的信号放大(抗干扰与宽温稳定);
  4. 小型电源:DC-DC转换器反馈网络、线性稳压器输出分压(±1%精度满足稳压需求)。

四、产品优势特点

相比同类0402封装电阻,ERJ2RKF1822X具备以下核心优势:

  1. 小型化高密度集成:0402封装体积仅为1.0mm×0.5mm,比0603封装小60%以上,可显著提升PCB布局密度,适配超薄设备;
  2. 厚膜工艺可靠性:厚膜层致密,抗浪涌(峰值功率可承受5倍额定功率)、耐机械应力,长期阻值稳定性优于薄膜电阻;
  3. 精度与温漂平衡:±1%精度满足90%以上模拟电路需求,±100ppm/℃温漂在-40~125℃下阻值变化仅±0.65%,无需额外补偿;
  4. 环保与焊接兼容:符合RoHS、REACH标准,无铅封装适配回流焊、波峰焊工艺,焊接良率≥99%(松下内部标准);
  5. 品牌品质保障:经过高温老化(155℃×1000h)、湿度循环(85℃/85%RH×1000h)测试,平均无故障时间(MTBF)≥10^6小时。

五、可靠性与环境适应性

该电阻的可靠性设计针对恶劣环境:

  • 宽温稳定性:工作温度覆盖-55~155℃,汽车级环境下阻值漂移≤±0.5%,满足AEC-Q200认证要求(部分批次);
  • 抗环境应力:厚膜层抗潮湿(85℃/85%RH下1000h阻值变化≤±0.5%)、抗腐蚀性气体(SO₂、H₂S),适合工业现场;
  • 机械强度:SMD引脚与PCB贴合牢固,可承受跌落(1.5m)、振动(10~2000Hz)测试,符合MIL-STD-202标准。

ERJ2RKF1822X通过平衡小型化、精度与可靠性,成为小型化电子设备的高性价比厚膜电阻选择,尤其适合对封装尺寸、温漂特性有严格要求的场景。

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