WMSIC Electronic Components

Nationstar NTD3528U2

ModelNTD3528U2
Package3528
BrandPhotoelectric
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Photoelectric NTD3528U2
Type
Nationstar
Minimum package
3000 卷

Technical parameters

Electronic Component
Photoelectric
Electronic Component
NTD3528U2
Electronic Component
1
Package
3528
Electronic Component
Ultraviolet LED (UV LED)
Electronic Component
0.077g
Electronic Component
11.5nm
Electronic Component
1
LED
120°
Electronic Component
BM0228550460
Electronic Component
390nm~400nm
Operating Temperature
20℃~+65℃
Current
150mA
Power
140mW
Electronic Component
1kV
(Vf)
3.8V

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

NTD3528U2 产品概述

一、产品简介

NTD3528U2 为国星光电(NationStar)推出的一款高功率窄谱近紫外(紫边)贴片LED,采用标准3528封装。峰值波长位于390nm~400nm,半波宽仅11.5nm,输出光谱集中,适合对激发光谱有精确要求的应用。该器件在额定条件下具有良好的辐射功率与热耗散能力,适用于工业与消费类紫外激发场景。

二、主要技术参数

  • 峰值波长(λp):390nm ~ 400nm
  • 半波宽(FWHM):11.5nm
  • 正向压降(Vf):3.8V(典型)
  • 正向电流(If):150mA(最大/额定)
  • 电耗散功率(Pd):570mW
  • 辐射功率(光输出):约140mW(典型,额定电流下测得)
  • 发光角度:120°
  • 直流反向耐压(Vr):5V(请勿长期反向工作)
  • 工作温度范围:-20℃ ~ +65℃
  • 抗静电能力:1kV(建议在ESD防护环境下操作)
  • 封装:3528(SMD)

三、性能特点

  • 窄谱输出:11.5nm 的半波宽使得光谱集中,便于激发特定荧光染料或配合光学滤光片使用,光谱效率高。
  • 高光输出密度:在额定电流下可提供约140mW辐射功率,光强密集,适合短波长激发需求。
  • 标准封装:3528 尺寸便于SMT贴装,便于批量生产与系统集成。
  • 宽视角:120° 发光角度便于实现较大区域的均匀照射。
  • 稳定性与可靠性:设计允许最大150mA电流驱动,但需注意热管理以保证长期可靠性。

四、典型应用场景

  • 紫外荧光检测与安全验证(荧光标记、伪钞/证件检测)
  • UV固化(点胶、油墨固化于对波长要求不极端的体系)
  • 荧光显影、法医检测与材料缺陷检测(需配套合适滤光片与光学系统)
  • 光学传感与生物试剂激发(配合试剂/染料的激发峰匹配)

五、使用建议与注意事项

  • 驱动方式建议采用恒流驱动,避免过冲电流。若采用串联限流电阻,计算式为 R=(Vs-Vf)/If。
  • 建议工作电流根据散热条件适当降低(例如在散热受限时降至100mA或更低),以延长寿命并降低热降额。
  • 严禁长期施加反向电压(Vr=5V);器件对静电敏感,实际操作应在≥1kV ESD控制措施下进行。
  • 该波段属近紫外/紫边光,对眼睛和皮肤有潜在危害,设计与操作时须采取防护措施(防护眼镜、遮挡等),并遵循相关安全标准。
  • 在高温、长时间工作环境中应关注结温(Tj)控制,合理设计散热路径及PCB散热垫与过孔。

六、封装与贴装建议

  • 3528 SMD 尺寸适合常规回流焊工艺,推荐参照国星光电封装图纸设计PCB焊盘与热铜垫。
  • 若需更高功率工作,建议在LED下方设计散热铜箔和多通道过孔以增强热传导。
  • 贴装后建议进行热循环与焊接兼容性测试,以确认可靠性符合应用要求。

总体而言,NTD3528U2 以其窄谱、高辐射功率和标准3528封装,适合对390–400nm窄谱光源有精确需求的检测与激发类应用。在系统设计中重点考虑恒流驱动与有效散热,以及必要的安全与ESD防护。

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