WMSIC Electronic Components

MEIHUA MHK43204CGBTD

ModelMHK43204CGBTD
PackageDIP-8-2.54mm
BrandMEIHUA
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
MEIHUA MHK43204CGBTD
Type
MEIHUA
Minimum package
250 袋装

Technical parameters

Power
78mW
Electronic Component
Electronic Component
Electronic Component
MEIHUA
Electronic Component
MHK43204CGBTD
Electronic Component
1
Package
DIP-8-2.54mm
Electronic Component
568nm
Electronic Component
LEDDiode / LED
Electronic Component
1.008g
Electronic Component
1
LED
30mcd
LED
50°
LED
Electronic Component
Electronic Component
BM0227689160
Operating Temperature
25℃~+85℃
Current
20mA

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

MHK43204CGBTD 产品概述

一、产品简介

MHK43204CGBTD 为 MEIHUA(美华)出品的高显色黄绿色发光二极管,封装为通孔式 DIP-8(针距 2.54mm),透镜为雾状绿色。适合指示、面板显示及通用背光场合,色心接近 568nm(黄绿色),视觉辨识度高,外观柔和不刺眼。

二、主要参数

  • 正向电流(If):20 mA(典型额定)
  • 波长(λ):568 nm(黄绿色)
  • 发光角度:50°
  • 光功率/功率:78 mW(标称)
  • 发光强度:30 mcd(典型)
  • 正向压降(Vf):约 2 V
  • 工作温度:-25 ℃ ~ +85 ℃
  • 透镜颜色:雾状绿色

三、电气与光学特性说明

在额定 If=20mA 时 Vf≈2V,为保证稳定工作通常配合限流电阻或恒流驱动。举例:在 5V 驱动下,限流电阻 R=(5V-2V)/20mA≈150Ω。若追求更长寿命与更低发热,建议将工作电流降至 10–15mA 或采用PWM调光。50° 的发散角适用于定向可视指示,若需广角照明需并联多只或改用扩散组件。

四、封装与安装

DIP-8 通孔结构,便于手工焊接与插装式安装。透镜为雾面,能有效抑制炫光并改善角度均匀性。焊接时注意控温和时间,避免长时间高温直烙,以减少封装与内部键合线应力。安装间距与板孔按 2.54mm 标准处理,便于与标准插座或插件件配合。

五、使用建议与注意事项

  • 推荐常用电流:10–20 mA,超过额定电流会加速老化并降低亮度一致性。
  • 散热管理:尽量保证良好环境散热,避免长时间高温环境工作(>85℃)。
  • ESD 防护:LED 属静电敏感器件,搬运与安装时采取接地、防静电手环/垫措施。
  • 储存条件:避免潮湿与强光直射,长期储存建议密封防潮并按先入先出使用。
  • 驱动方式:建议恒流驱动或稳压限流电阻组合;PWM 调光频率建议在几百赫兹以上以免可见闪烁。

六、典型应用

  • 仪表面板与状态指示灯
  • 工业控制与家电指示
  • 商业设备显示与按钮背光
  • 小功率信号照明与视觉提示

综上,MHK43204CGBTD 属于性能稳定、视觉效果良好的黄绿色指示LED,适合多种通用指示与面板照明场合。选型时注意工作电流、热管理与封装安装方式以保证长期可靠性。

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