WMSIC Electronic Components

ERJ2RKF3322X

ModelERJ2RKF3322X
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 ERJ2RKF3322X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF3322X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
33.2kΩ
Electronic Component
1
Electronic Component
BM0257349706
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.

ERJ2RKF3322X 厚膜贴片电阻产品概述

ERJ2RKF3322X是松下(PANASONIC)推出的一款小型化厚膜贴片电阻(SMD),专为高密度电子电路设计打造,兼具高可靠性与宽环境适应性,适用于消费电子、工业控制、汽车电子等多领域的电路应用。

一、产品核心身份与定位

该电阻属于松下ERJ2RKF系列,型号命名清晰对应关键属性:

  • “ERJ”为松下贴片电阻的系列标识;
  • “2RKF”代表0402封装(英制尺寸,实际约1.0mm×0.5mm)及厚膜电阻工艺;
  • “3322”对应阻值33.2kΩ(前三位“332”为有效数字,第四位“2”表示×10²);
  • 后缀“X”关联±1%精度及封装特性。

核心定位是小型化高精度电阻,满足PCB布局紧凑、电路匹配精度要求较高的设计场景。

二、关键电气性能参数解析

ERJ2RKF3322X的电气参数覆盖多数电子电路核心需求:

  1. 阻值与精度:额定阻值33.2kΩ,精度±1%——区别于常规33kΩ,可满足信号调理、分压电路的精准匹配;
  2. 功率额定值:70℃环境下额定功率100mW,支持常规低功率负载稳定工作;
  3. 温度系数(TCR):±100ppm/℃——温度每变化1℃,阻值变化≤0.01%,温变环境下性能稳定;
  4. 工作温度范围:-55℃~+155℃——覆盖工业级宽温需求,适配极端环境应用(如车载、户外设备)。

三、封装工艺与物理特性

  1. 封装类型:0402小型贴片封装,是当前电子设备中应用最广泛的小型封装之一,可节省PCB空间,适配便携设备、高密度模块布局;
  2. 工艺基础:厚膜电阻工艺——采用丝网印刷将电阻浆料印刷在陶瓷基底上,经高温烧结形成电阻层,再覆盖电极与玻璃釉保护层,兼具成本优势与性能稳定性;
  3. 物理结构:陶瓷基底提供机械支撑与热稳定性,厚膜电阻层确保阻值精度,玻璃釉保护层提升抗湿度、腐蚀能力,电极采用可焊性材料(如银钯合金),适配回流焊工艺。

四、典型应用场景

ERJ2RKF3322X的参数特性适配多领域电路设计:

  1. 消费电子:智能手机、平板电脑、智能穿戴的电源滤波、信号分压、传感器接口电路(小型化+宽温需求);
  2. 工业控制:PLC、工业传感器、电机驱动模块的反馈电路(±1%精度满足控制精度);
  3. 汽车电子:车载信息娱乐系统、车身控制模块(BCM)、胎压监测(TPMS)的信号调理电路(-55~155℃宽温+抗振动);
  4. 通信设备:路由器、交换机、基站模块的信号滤波、阻抗匹配电路(高密度布局+稳定性能)。

五、可靠性与环境适应能力

  1. 温度稳定性:±100ppm/℃的TCR,极端温度下阻值漂移小,避免电路性能波动;
  2. 环境耐受性:玻璃釉保护层抵抗湿度、灰尘及轻微腐蚀,SMD封装与陶瓷基底结合提升抗机械振动能力(符合汽车/工业振动测试要求);
  3. 长期可靠性:松下成熟工艺确保长期使用中阻值漂移小、失效率低,适合高可靠性场景。

六、品牌与选型价值

  1. 品牌优势:松下作为全球知名厂商,产品一致性好、质量可控,降低批量生产不良率;
  2. 选型适配性:0402封装满足小型化,±1%精度覆盖多数需求,宽温范围减少环境限制,是通用优选;
  3. 供应稳定性:松下全球供应链完善,可稳定供应该型号,降低采购风险与断供隐患。

总结:ERJ2RKF3322X是一款性能均衡、可靠性高的厚膜贴片电阻,其小型化封装、高精度与宽温适应性,使其成为多领域电子电路设计的优选元件。

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