WMSIC Electronic Components

ERJ3EKF2202V

ModelERJ3EKF2202V
Package0603
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 ERJ3EKF2202V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ3EKF2202V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
22kΩ
Electronic Component
1
Electronic Component
BM0264567798
Operating Temperature
55℃~+155℃
Operating Voltage
75V
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.

ERJ3EKF2202V 精密厚膜贴片电阻器产品概述

ERJ3EKF2202V是松下(PANASONIC)推出的一款精密级厚膜贴片电阻器,采用0603小封装设计,针对小型化、高精度电子设备的需求优化,兼具稳定的电气性能与宽环境适应性,是工业控制、消费电子、汽车电子等领域的可靠无源元件选择。

一、产品核心定位与技术基础

该电阻属于松下厚膜电阻系列中的精密型号,区别于普通商用电阻,重点强化了阻值精度、温度稳定性两大核心指标,同时兼顾0603封装的高密度布局优势。其核心技术采用厚膜工艺:在氧化铝陶瓷基片上印刷精密电阻浆料,经高温烧结形成电阻层,既保证了成本可控,又能实现精密级性能,平衡了性能与量产性。

二、关键性能参数深度解析

1. 阻值与精度

标称阻值22kΩ(标识代码“2202”,前两位“22”、第三位“0”、第四位“2”表示×10²),精度±1%——该精度满足多数信号调理、基准电路的需求,比普通±5%电阻的误差缩小5倍,可有效避免信号失真。

2. 功率与电压额定值

额定功率100mW,额定工作电压75V——在0603封装尺寸下,该功率等级适配小电流电路(如I=V/R=75V/22kΩ≈3.4mA),实际使用时需注意功率/电压不超过额定值,避免热失效。

3. 温度特性

温度系数(TCR)±100ppm/℃——表示每变化1℃,阻值变化±0.01%(100ppm=0.01%),在-55℃~+155℃宽温范围内,阻值漂移控制在合理区间,适合极端温度场景。

4. 工作温度范围

-55℃+155℃——覆盖工业级(-40+85℃)、汽车级(-40~+125℃)甚至更高温需求,抗高低温冲击性能优异。

三、封装与结构特点

采用0603封装(英制尺寸:0.06英寸×0.03英寸,公制1.6mm×0.8mm),是小型化电子设备的主流封装之一,核心优势包括:

  • 体积紧凑:可大幅提升PCB布局密度,适配智能手机、可穿戴设备等小型终端;
  • 贴装兼容性:支持自动化焊接(回流焊、波峰焊),生产效率高,焊接可靠性强;
  • 结构稳定性:陶瓷基片提供良好的热传导与机械稳定性,电阻浆料烧结后附着力强,长期使用无脱层风险。

四、环境适应性与可靠性验证

该电阻经过松下标准的可靠性测试,关键验证项目包括:

  • 高低温循环:-55℃~+155℃间循环1000次,阻值变化≤0.5%;
  • 湿度老化:85℃/85%RH环境下放置1000小时,阻值漂移≤1%;
  • 机械应力:焊接后承受振动(10~2000Hz,加速度2g)、冲击(1000g,1ms),无开路/短路故障。 以上测试确保其在复杂环境下的长期稳定工作。

五、典型应用领域

  1. 消费电子:智能手机、平板电脑的电源管理电路、传感器信号调理模块(如加速度计、陀螺仪);
  2. 工业控制:PLC输入输出模块、传感器接口电路(如温度、压力传感器);
  3. 汽车电子:车载小型传感器(胎压监测、座椅传感器)的信号处理电路,适配汽车级温度范围;
  4. 通信设备:小型基站、路由器的射频前端电路、电源滤波电路。

综上,ERJ3EKF2202V凭借精密精度、宽温适应性、小封装密度三大核心优势,成为多领域小型化电子设备的理想无源元件,满足对性能与可靠性的双重需求。

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