WMSIC Electronic Components

ERJPA2F22R0X

ModelERJPA2F22R0X
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 ERJPA2F22R0X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
200mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJPA2F22R0X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
22Ω
Electronic Component
1
Electronic Component
BM0264911722
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.

ERJPA2F22R0X 厚膜贴片电阻产品概述

ERJPA2F22R0X是松下(PANASONIC)推出的一款0402封装厚膜贴片电阻,定位于小型化电子设备中的常规功率、高精度电阻应用,兼顾成本控制与性能稳定性,是消费电子、工业控制等领域的常用选型之一。

一、产品核心身份与定位

作为松下厚膜电阻系列的基础型号,ERJPA2F22R0X以“小体积、高集成”为核心设计目标,适配0402封装的高密度PCB布局需求。其厚膜工艺(丝网印刷+高温烧结)平衡了成本与可靠性,既避免了薄膜电阻的高成本,又优于普通碳膜电阻的温漂与功率承载能力,适合对精度、功率有基础要求但无需超高端性能的场景。

二、关键参数详解(满足常规设计需求)

该电阻的核心参数围绕“精度、功率、环境适应性”三个维度设计,具体如下:

  • 阻值与精度:22Ω ±1%——1%精度属于工业级常用精度范围,可满足大部分电路的分压、限流、匹配需求,无需额外校准;
  • 功率承载:200mW——对应0402封装的常规功率上限,实际应用中需遵循降额原则(如25℃环境下建议不超过150mW长期功率);
  • 工作电压:50V(峰值)——结合功率计算,最大持续电流约为90mA(I=√(P/R)),需注意电路电压不超过峰值限制;
  • 温度系数:±100ppm/℃——表示温度每变化1℃,阻值变化±0.01%;例如环境温度从-55℃升至155℃(温差210℃),阻值最大漂移±0.21%,满足宽温场景的基本稳定性;
  • 工作温度范围:-55℃+155℃——覆盖工业级(-40℃+85℃)与部分汽车级(-55℃~+125℃)的温度区间,可适配户外、车载等恶劣环境。

三、0402封装与厚膜工艺优势

1. 小体积高密度布局

0402封装(英制0402,公制1005)尺寸仅为1.0mm×0.5mm×0.35mm,相比0603封装体积缩小约60%,可大幅提升PCB的集成度,尤其适合智能手机、可穿戴设备等小型化终端;

2. 厚膜工艺的可靠性

  • 烧结后电阻膜层与陶瓷基底结合紧密,抗机械应力能力强;
  • 电极采用镍/锡镀层,适配回流焊、波峰焊工艺,焊接可靠性高(焊点剪切强度≥5N);
  • 部分批次具备抗硫化特性,可避免潮湿、含硫环境下的电极腐蚀问题。

四、可靠性与环境适应性验证

松下对该电阻的可靠性进行了多维度测试,包括:

  • 高温存储:155℃下存储1000小时,阻值漂移≤0.5%;
  • 温度循环:-55℃~+155℃循环1000次,阻值变化≤0.3%;
  • 湿热测试:60℃/90%RH环境下存储1000小时,无开路/短路故障。

这些测试确保了电阻在长期使用中的稳定性,降低了设备的维护成本。

五、典型应用场景

ERJPA2F22R0X的参数特性使其适配以下场景:

  1. 消费电子:智能手机主板的信号调理电路(如音频分压、充电限流)、可穿戴设备的传感器接口;
  2. 工业控制:小型PLC的I/O接口电阻、温度传感器的信号匹配网络;
  3. 通信设备:路由器、小型基站的电源滤波电路、射频匹配电阻;
  4. 汽车电子:车载仪表盘背光电路、胎压监测模块的信号处理(需确认是否符合汽车级认证,部分批次可满足)。

六、选型与使用注意事项

  1. 功率降额:必须遵循松下的降额曲线,25℃时长期功率不超过150mW,100℃时不超过80mW,避免过功率导致阻值漂移;
  2. 焊接工艺:回流焊温度需控制在220℃~240℃(峰值),避免热冲击导致电阻膜层损坏;
  3. 精度匹配:若需更高精度(如0.1%),需选择薄膜电阻型号;若需更高功率(如500mW),需升级0603封装;
  4. 存储条件:未焊接的电阻需存储在25℃/60%RH以下环境,避免受潮影响焊接质量。

综上,ERJPA2F22R0X是一款“性价比突出、适配性强”的基础厚膜贴片电阻,可满足多数小型化电子设备的常规电阻需求,是工程师选型时的常用选项之一。

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