WMSIC Electronic Components

Nationstar NTD3528I8

ModelNTD3528I8
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 NTD3528I8
Type
Nationstar
Minimum package
2000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Photoelectric
Electronic Component
NTD3528I8
Electronic Component
1
Package
3528
Electronic Component
940nm~970nm
Electronic Component
Infrared Emitter
Electronic Component
90°
Electronic Component
0.06g
Electronic Component
40nm
Electronic Component
1
Electronic Component
BM0228550466
Operating Temperature
40℃~+85℃
Current
100mA
Electronic Component
15mW/sr
(Vf)
1.3V~2V

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

NTD3528I8 红外发光二极管(国星光电)产品概述

一、产品简介

NTD3528I8 是国星光电推出的一款 3528 表面贴装红外发光二极管,主波长覆盖 940nm~970nm,适用于红外通信、遥控发射、近距传感和夜视补光等场景。器件体积小、光轴广、发射强度高,便于在密集 SMT 方案中实现可靠的红外辐射源。

二、主要电气与光学参数

  • 波长(λp):940nm~970nm(中心峰值根据批次略有差异)
  • 半波宽(Δλ):40nm,光谱较宽,兼容多种硅光电探测器响应
  • 正向压降(Vf):1.3V~2.0V
  • 典型/峰值正向电流(If):100mA(建议作为脉冲峰值,连续工作需按 Pd 限制)
  • 耗散功率(Pd):90mW(器件热耗散限制,需按 PCB 散热设计)
  • 辐射强度:15mW/sr(光束能量集中度高)
  • 视角:90°(半幅角,适合宽视场照射)
  • 直流反向耐压(Vr):5V(严禁长期反向偏置超过此值)
  • 工作温度范围:-40℃~+85℃

三、产品特性与优势

  • 高辐射强度:15mW/sr 的发射能力在同类 3528 器件中处于领先水平,可减少晶片数量或降低驱动脉冲幅度。
  • 宽光谱与通用性:940–970nm 范围和 40nm 半波宽使其对常见硅光电探测器具有良好响应匹配。
  • 宽视角设计:90° 视角覆盖范围广,适用于无需准直的近场照明与传感应用。
  • 标准 SMT 封装:3528 兼容主流贴片工艺,便于自动化组装与批量生产。

四、典型应用

  • 红外遥控与点对点短距通信
  • 非制冷近红外传感器(如光电反射传感)
  • 夜视与机器视觉近红外补光
  • 安防、门禁与智能家居 IR 发射模块

五、使用建议与注意事项

  • 驱动方式:建议使用恒流驱动器或在串联限流电阻下工作,避免电流瞬间过大。100mA 为峰值脉冲值,连续工作时应通过降低电流或缩短占空比保证器件耗散功率 Pd 不被超限。
  • 热管理:因 Pd=90mW,需考虑 PCB 铜箔散热与间歇性工作策略,避免温升导致寿命下降。
  • 反向保护:Vr=5V,电路中应防止反向高压冲击;可并联反向保护二极管或限制反向电压。
  • 焊接工艺:遵循国星光电或行业标准的 SMT 回流焊曲线,避免超温与长时间高温暴露,以保证可靠性。
  • 可靠性与ESD:做好静电防护与存储干燥处理,防止电荷击穿或湿热老化。

六、封装与可替代性

NTD3528I8 采用行业通用 3528 封装,机械兼容常用 3528 占位,便于替换与设计复用。对于需要更高连续功率或更窄光谱的场景,可考虑更大封装或专用波长器件;若需更高集成度,可并联多颗以提升总辐射强度并按组驱动以分散热负荷。

总结:NTD3528I8 以其高辐射强度、宽视角与 940–970nm 的通用红外波段,适合多种短距红外发射与照明应用。设计时应重点控制驱动电流与热耗散,确保长期稳定运行。若需更详细的电气特性曲线、脉冲—占空比建议或封装尺寸图,请提供采购或应用条件,以便给出更精确的工程建议。

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