WMSIC Electronic Components

MEIHUA MHT151WDT

ModelMHT151WDT
Package1206
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MEIHUA MHT151WDT
Type
MEIHUA
Minimum package
3000 编带

Technical parameters

Power
95mW
Electronic Component
Electronic Component
Electronic Component
MEIHUA
Electronic Component
MHT151WDT
Electronic Component
1
Package
1206
Electronic Component
LEDDiode / LED
Electronic Component
0.026g
Electronic Component
1
LED
900mcd
LED
130°
LED
Electronic Component
Electronic Component
BM0228233743
Operating Temperature
35℃~+85℃
Current
20mA
Electronic Component
Electronic Component

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

MHT151WDT 产品概述

一、概述

MHT151WDT 是美华(MEIHUA)推出的一款高亮白色贴片发光二极管(LED),采用常见的1206封装。器件在典型工作电流20mA时提供较高的光强,视角宽达130°,并采用雾状黄色透镜以获得更柔和、均匀的光学效果。其设计适合各种指示与背光应用,满足工业与消费电子的可靠性要求。

二、主要特性

  • 发光颜色:白色(透镜为雾状黄色,改善光学扩散与外观)
  • 封装:1206贴片封装,适合标准SMT工艺
  • 光强:450~900 mcd(典型上限900 mcd)
  • 发光角度:130°,视角宽,光分布均匀
  • 正向电流(If):20 mA(典型驱动电流)
  • 正向压降(Vf):3.65 V(在规定电流下典型值)
  • 最大功耗:95 mW
  • 工作温度:-35 ℃ ~ +85 ℃
  • 载带方式:反贴(Reel/Tape orientation 为反向贴装,便于某些贴装工艺)

三、电气与光学说明

在20 mA 驱动条件下,器件的正向压降约为3.65 V,对应的耗电约为73 mW(3.65 V × 0.02 A),而器件标称最大功耗为95 mW,请在设计时留有余量。光强规格为450~900 mcd,实际取决于驱动电流、公差和制造批次,若需要稳定的亮度应按最小光强规格进行设计余量。宽视角(130°)适合需要均匀照明或无遮挡可视的场合。

四、机械与环境特性

1206 封装利于自动化贴装与回流焊接。雾状黄色透镜一方面能降低局部眩光,另一方面通过散射改善视觉均匀性,尤其适用于面板指示、按键背光等需柔和光感的场景。器件适用温度范围为-35 ℃ 至 +85 ℃,适应一般室内与户外低温或高温环境,但在极端环境下仍建议进行系统级热设计与老化测试。

五、典型应用

  • 仪表与面板指示灯
  • 消费类电子(遥控、家电指示灯)
  • 通讯与网络设备指示
  • 工业控制面板、仪器仪表
  • 一些低电流信号照明与装饰性背光场景

六、装配与使用建议

  • 驱动:建议采用恒流驱动或在串联限流电阻的恒压方案中确保不超出20 mA 常规工作电流。若需脉冲驱动或更高亮度,务必参考厂家脉冲额定值与热限值。
  • 回流:适配标准无铅回流温度曲线,贴片前遵守相应的干燥与湿度控制要求以避免潮湿导致的焊接问题。
  • 极性与贴装:注意反贴载带的方向与元件极性标识,贴片机上料与元件取向需与PCB焊盘及丝印一致,避免极性反装。
  • 热管理:虽然单颗功耗不大,但在密集布局或高环境温度下需考虑整体热流与散热,必要时降低工作电流以延长寿命。
  • 防静电:遵守ESD防护规范,防止在装配或测试过程中静电损伤。

七、结语

MHT151WDT 以其高光强、宽视角与柔和透镜特性,适合多种指示与背光应用。选型时建议结合实际亮度需求、驱动方式与回流工艺,必要时向供应商索取详细Datasheet、光学分布曲线和贴装方向说明,并在样品上进行PCB兼容性与可靠性测试,以确保最终产品性能稳定。

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