WMSIC Electronic Components

Walsin WR02X220JAL

ModelWR02X220JAL
Package0201
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
(Walsin) WR02X220JAL
Type
0201
Minimum package
15000 圆盘

Technical parameters

Power
50mW
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
WR02X220JAL
Electronic Component
1
Package
0201
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.008g
Electronic Component
22Ω
Electronic Component
50
Electronic Component
BM0259011985
Operating Temperature
55℃~+125℃
Operating Voltage
25V
Electronic Component
±200ppm/℃
Resistor Type
Resistor

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

WR02X220JAL 片式厚膜电阻产品概述

WR02X220JAL是华新科(Walsin) 推出的一款小体积表面贴装厚膜电阻,采用0201英制封装,专为高密度、低功率电子电路设计,具备稳定的电气性能与宽温度适应性,是消费电子、物联网等领域的常用被动元件。

一、产品基础定位与品牌背景

华新科作为全球知名被动元件制造商,在片式电阻领域拥有成熟的研发与生产体系,产品以高可靠性、一致性著称。WR02X220JAL属于华新科WR系列片式厚膜电阻的经典型号,针对低功率、小型化电路优化设计,适配自动化SMT生产流程,满足量产需求。

二、核心电气性能参数详解

该型号关键电气参数明确稳定,覆盖多数通用场景:

  1. 阻值与精度:标称阻值22Ω,精度±5%(型号中“J”代码对应5%精度,符合IEC标准),适合对阻值偏差要求不苛刻的信号调理、限流电路;
  2. 功率额定值:额定功率50mW(即1/20W),是0201封装片式电阻的典型低功率规格,满足小电流、低功耗电路需求;
  3. 工作电压额定值:最大工作电压25V,实际应用需同时满足“功率≤50mW”约束(即V≤√(0.05W×22Ω)≈1.05V),优先以功率降额为核心;
  4. 温度系数(TCR):±200ppm/℃,表示温度每变化1℃,阻值变化±0.02%,属于厚膜电阻通用等级,适配宽温度场景。

三、封装与物理特性

WR02X220JAL采用0201英制封装(公制0603规格),尺寸仅0.02英寸×0.01英寸(0.6mm×0.3mm),具备以下优势:

  • 高密度集成:大幅节省PCB空间,适配智能手机、智能穿戴等小型化设备;
  • SMT兼容性:支持回流焊、波峰焊等自动化工艺,焊接温度(220℃~260℃)符合行业标准,无虚焊风险;
  • 结构可靠性:陶瓷基板+厚膜浆料+镍/锡电极+环氧树脂保护层,抗机械冲击与振动性能优异。

四、环境适应性与长期可靠性

该型号符合工业级环境标准,满足严苛场景需求:

  1. 工作温度范围:-55℃~+125℃,覆盖极地低温、高温工业环境;
  2. 长期稳定性:高温老化(1000小时)后阻值漂移≤0.5%,符合AEC-Q200、IEC 61000等标准;
  3. 抗恶劣环境:抗湿、抗盐雾性能符合JIS C 5102标准,适合户外物联网、工业传感器场景。

五、典型应用场景

因体积小、功率低、温度适应性强,广泛应用于:

  1. 消费电子:智能手机、智能手表的信号分压、限流电路(如音频接口、电源指示灯);
  2. 物联网设备:低功耗传感器节点(温湿度、运动传感器)的信号匹配电阻,蓝牙模块偏置电路;
  3. 工业控制:小型PLC、远程IO模块的数字电路限流电阻,传感器接口滤波分压;
  4. 通信设备:小型基站、路由器的低功率射频匹配电阻,WiFi模块信号调理;
  5. 汽车电子(低功率):车载USB限流电阻、仪表盘背光驱动分压电阻(需确认AEC-Q200等级)。

六、选型与使用注意事项

为确保电路可靠性,需注意:

  1. 功率降额:实际功率建议≤25mW(降额50%),避免过热导致阻值漂移;
  2. 温度系数匹配:精密测量电路需选TCR≤100ppm/℃的高精密型号;
  3. 焊接工艺:回流焊峰值温度≤260℃,时间≤10秒,避免热损伤;
  4. 替换兼容性:同封装、同阻值、同精度的其他品牌(国巨、三星)可替换,需确认TCR与温度范围。

综上,WR02X220JAL是高性价比小体积片式厚膜电阻,凭借稳定性能、宽温度适应性与紧凑封装,成为低功率电子电路优选元件。

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