WMSIC Electronic Components

Nationstar NPD3535I1

ModelNPD3535I1
Package3535
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 25+

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Technical data

Product details

19 specifications

Core information

Product name
Photoelectric NPD3535I1
Type
Nationstar
Minimum package
1000 卷

Technical parameters

Electronic Component
Photoelectric
Electronic Component
NPD3535I1
Electronic Component
1
Package
3535
Electronic Component
840nm~870nm
Electronic Component
Infrared Emitter
Electronic Component
120°
Electronic Component
0.091g
Electronic Component
35nm
Electronic Component
1
Electronic Component
BM0228592707
Operating Temperature
40℃~+100℃
Current
350mA
Electronic Component
50mW/sr
(Vf)
1.4V~2.1V
Power Dissipation(Pd)
120mW

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

NPD3535I1 产品概述

一、产品简介

NPD3535I1 是国星光电(NationStar)推出的一款高亮度红外发光二极管(3535 封装),工作波长集中在 840nm~870nm 范围,适用于近红外照明、夜视模组、安防监控、机器视觉和通信等场景。器件采用标准 3535 SMD 封装,便于表面贴装与自动化组装。

二、主要特性

  • 峰值波长:840nm~870nm(近红外)
  • 半波宽(FWHM):约 35nm,窄谱分布利于成像与滤光匹配
  • 辐射强度:50 mW/sr(典型)
  • 视角:120°(较宽发射角,适合面照明或散射场景)
  • 正向压降 Vf:1.4V~2.1V
  • 额定正向电流:350 mA(请参考下文热管理与驱动建议)
  • 最大耗散功率 Pd:120 mW(封装热耗散能力指标)
  • 直流反向耐压 Vr:5 V
  • 工作温度:-40℃~+100℃(器件允许的环境/工作温度范围)

三、电光参数与设计要点

  • 在选型与驱动设计时,优先采用恒流驱动。若使用电阻限流,应按 R = (V供电 - Vf) / If 计算,并同时评估电阻功耗与热量。
  • 给定 Vf 范围与 If=350 mA 时,器件瞬时功耗可能超过 Pd 标称值;因此 350 mA 多用于短脉冲或在有良好散热条件下的应用。连续工作建议在符合热设计的前提下进行,并以实际的结温测量为准。
  • 反向电压 Vr=5V,避免在反向偏置下工作或承受高电压冲击。

四、封装与热管理

  • 3535 SMD 小型封装,便于 PCB 密集布板。封装底部须保证良好散热路径,建议在 PCB 对应位置增加热铜箔和通孔,以提高热传导至散热层或散热片。
  • 由于 Pd 标称有限,设计时应控制结温(Tj)在安全范围内,必要时采用脉冲驱动、降低平均电流或添加外部散热器。

五、典型应用

  • 夜视/红外照明模块(安防摄像头、车载夜视)
  • 机器视觉/条码识别在低可见光环境下的照明
  • 近红外点阵或面阵照明阵列
  • 非可见红外通信与传感器激励光源

六、使用建议与注意事项

  • 建议使用恒流驱动 IC 并配合 PWM 调光以保持光输出稳定与线性。
  • 焊接参考国星光电推荐的回流温度曲线,避免超温或过久热暴露影响寿命。
  • 采取 ESD 防护,存储与搬运过程中避免静电损伤。
  • 在设计阵列时,注意每个器件的散热与驱动均衡,避免单点过热导致性能衰减。

七、可靠性与储存

  • 建议在干燥、无尘、常温条件下存储,避免潮湿引起焊接缺陷。
  • 长期高温或超额电流工作会加速光衰和寿命下降,设计时应留有裕量并做加速老化验证。

八、总结

NPD3535I1 以其近红外主波段(840–870nm)、较高辐射强度(50 mW/sr)与通用 3535 封装,适合安防、机器视觉等需要非可见照明的应用场景。设计时以恒流驱动为主,重视热管理与封装散热路径,必要时采用脉冲驱动或降低平均电流以延长寿命并保证稳定输出。若需最终设计参数(如结温曲线、TS、典型光学曲线等),建议参考国星光电官方 Datasheet 或直接联系厂方获取完整技术资料。

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