WMSIC Electronic Components

UNI-ROYAL 0805W8J0220T5E

Model0805W8J0220T5E
Package0805
BrandUNI-ROYAL
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
UNI-ROYAL 0805W8J0220T5E
Type
UNI-ROYAL
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0805W8J0220T5E
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.027g
Electronic Component
22Ω
Electronic Component
1
Electronic Component
BM0257341727
Operating Temperature
55℃~+155℃
Operating Voltage
150V
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.

0805W8J0220T5E 产品概述

一、产品简介

0805W8J0220T5E 为 UNI-ROYAL(厚声)系列贴片厚膜电阻,封装规格为 0805(2012 公制,约 2.0 × 1.25 mm)。标称阻值 22Ω,阻值公差 ±5%(J),额定功率 125 mW,最高工作电压 150 V,温度系数(TCR)典型值 ±200 ppm/°C,工作温度范围 -55℃ 至 +155℃。该产品适合中低功率、通用电子电路的表面贴装应用,兼顾体积紧凑与稳定性。

二、主要电气参数

  • 电阻类型:厚膜电阻(SMD,0805)
  • 标称阻值:22Ω
  • 阻值公差:±5%(J)
  • 额定功率:125 mW(在规定环境条件下)
  • 最高工作电压:150 V
  • 温度系数:±200 ppm/℃
  • 工作温度范围:-55℃ ~ +155℃

三、产品特点与优势

  • 小型封装:0805 尺寸便于高密度贴片组装,节省 PCB 面积。
  • 稳定性:厚膜工艺保证长期使用中的阻值稳定性与良好的一致性,适合大量生产与自动化贴装。
  • 通用性强:22Ω ±5% 为常用阻值,适配多类电路需求(限流、分压、阻抗匹配等)。
  • 宽温区工作:-55℃ 至 +155℃ 的工作温度覆盖工业级应用温度要求。
  • 成本效益高:厚膜工艺与标准封装在价格及供应链上具有竞争力。

四、典型应用场景

  • 消费电子:信号接口、滤波、限流电路等。
  • 工业控制与测量:驱动、分压网络与保护电路(注意功率与温升)。
  • 通讯设备:阻抗匹配与偏置网络。
  • 电源模块:低功率限流与阻尼环节。
    (如用于车规或关键精度电路,请结合实际环境与可靠性要求评估)

五、封装与焊接建议

  • 封装:0805(2012 公制),适用于自动贴片机和回流焊工艺。
  • 焊接工艺:建议采用符合器件供应商/PCB 制造商推荐的回流焊曲线进行焊接,避免过度热冲击与长时间高温暴露。
  • 焊盘设计:建议遵循 IPC 推荐的 0805 焊盘规范以确保焊接可靠性与散热性;在高功率密度应用中应优化散热铜箔面积。
  • 安装注意:避免在焊接或后续工序中对器件施加机械应力,清洗过程请选用对厚膜电阻安全的溶剂与方法。

六、热管理与降额使用

  • 额定功率 125 mW 为在特定环境温度下的最大允许热耗散值。工作时应考虑环境温度、PCB 散热能力及周围元件热影响对器件温升的影响。
  • 在高环境温度或紧密布板情况下,需按厂方功率-温度特性曲线进行降额使用;长期超额运行会缩短器件寿命并影响阻值稳定性。

七、质量与可靠性

UNI-ROYAL(厚声)系列厚膜电阻通常符合常用的可靠性测试要求(如温度循环、湿热、机械振动/冲击等)。实际项目使用前建议参考供应商提供的详细可靠性报告与出厂质量证书,并在必要时进行样件验证测试。

八、选型提示与注意事项

  • 若电路对精度或温漂要求更高,建议选择更低 TCR 或更高精度(±1%/±0.5%)的薄膜或金属膜电阻。
  • 关注实际工作电压与功率分布,避免接近或超过产品额定极限。
  • 在批量采购与贴装前,应确认包装形式(盘装/带卷)与物料编号一致,便于贴片机兼容与追溯管理。

如需器件的详细机械图、回流焊建议曲线、功率-温度特性曲线或可靠性测试数据,请提供采购量与用途,以便获取供应商的完整资料。

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