WMSIC Electronic Components

Walsin WR04X222JTL

ModelWR04X222JTL
Package0402
Brand(Walsin)
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
(Walsin) WR04X222JTL
Type
WALSIN
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
WR04X222JTL
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.012g
Electronic Component
2.2kΩ
Electronic Component
10
Electronic Component
BM0264459071
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.

WR04X222JTL 厚膜片式电阻产品概述

一、产品定位与核心特性

WR04X222JTL是华新科(Walsin) 推出的0402封装厚膜片式电阻,属于小型化、高可靠性的被动元件,主要面向高密度电路设计场景。其核心特性可总结为:

  • 小尺寸封装适配便携/微型设备;
  • 精准阻值满足常规电路功能需求;
  • 宽温工作范围覆盖工业/汽车级环境;
  • 低功率设计兼顾性能与体积。

二、关键参数详解

产品参数经过严格测试验证,核心指标如下:

1. 阻值与精度

标称阻值为2.2kΩ(标识代码“222”,对应22×10²),精度±5%。该精度等级可满足多数民用(如消费电子)、工业常规电路的分压、限流、信号匹配需求,无需额外高精度筛选,降低设计成本。

2. 额定功率

最大额定功率为62.5mW(即1/16W),适合小功率信号调理(如音频电路分压)、低功耗模块(如物联网终端)等场景,避免功率冗余带来的体积浪费。

3. 工作电压

最大工作电压为50V,适用于低压直流/交流电路(如3.3V、5V、12V系统),电压裕量充足,可有效降低过压击穿风险。

4. 温度系数

阻值温度系数为**±100ppm/℃**,表示温度每变化1℃,阻值变化±0.01%。在宽温范围内(-55℃~+155℃),该稳定性可保障电路性能的一致性,避免因温度波动导致功能异常。

5. 工作温度范围

覆盖**-55℃+155℃**,不仅满足工业级(-40℃+85℃)环境需求,还可适配部分汽车级(-55℃~+125℃)场景,适应高低温交替的恶劣工况。

三、封装与物理特性

WR04X222JTL采用0402英寸封装(公制尺寸:长1.0±0.1mm,宽0.5±0.1mm,厚0.3±0.1mm),是当前小型化电路的主流封装之一,可显著提升PCB布局密度。

封装结构采用厚膜工艺:以陶瓷基片为载体,通过丝网印刷厚膜电阻浆料(如钌系浆料)形成电阻层,表面覆盖玻璃釉保护层,端电极采用镍/锡合金(无铅环保),适配回流焊、波峰焊等SMT工艺,焊接可靠性高。

四、典型应用场景

结合参数与封装特性,该电阻广泛应用于以下领域:

1. 消费电子

  • 智能手机/平板电脑:主板音频电路分压、电源管理模块限流;
  • 可穿戴设备:智能手环/手表的传感器接口电路匹配;
  • 小型家电:遥控器、加湿器的控制电路分压。

2. 工业控制

  • 小型PLC模块:输入/输出接口的限流电阻;
  • 传感器电路:温度/压力传感器的信号调理分压;
  • 仪器仪表:万用表、示波器的校准电路匹配。

3. 汽车电子

  • 车载小功率模块:仪表盘背光电路、中控按键接口限流;
  • 辅助电子系统:胎压监测(TPMS)传感器接口匹配。

4. 通信设备

  • 基站小型模块:射频前端辅助电路匹配;
  • 路由器/交换机:端口信号调理分压。

五、可靠性与环境适应性

  1. 抗环境性能:陶瓷基片导热性好,厚膜浆料附着力强,可承受-55℃~+155℃的温度冲击,抗湿度(相对湿度95%以下)、抗盐雾性能符合工业级标准;
  2. 焊接可靠性:无铅端电极与PCB焊盘兼容性好,回流焊后焊点抗振动(10g~2000Hz)、抗冲击性能优异;
  3. 环保合规:符合RoHS 2.0、REACH等环保指令,无铅无卤,适配全球市场需求。

六、品牌与质量保障

华新科(Walsin)是全球知名被动元件厂商,专注电阻、电容研发生产30余年,产品通过ISO 9001、IATF 16949(汽车级)等质量体系认证,广泛应用于苹果、华为、博世等客户的量产项目。

WR04X222JTL采用自动化生产工艺,阻值一致性控制在±5%以内,供货周期稳定(标准料7~15天),适合中小批量及大规模量产需求。

综上,WR04X222JTL凭借小封装、宽温稳定、成本可控等优势,成为消费电子、工业控制等领域的高性价比片式电阻选择。

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