WMSIC Electronic Components

MEIHUA MHT170JECT

ModelMHT170JECT
Package0805
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 MHT170JECT
Type
MEIHUA
Minimum package
3000 编带

Technical parameters

Power
75mW
Electronic Component
Electronic Component
Electronic Component
MEIHUA
Electronic Component
MHT170JECT
Electronic Component
1
Package
0805
Electronic Component
622nm
Electronic Component
LEDDiode / LED
Electronic Component
0.03g
Electronic Component
1
LED
180mcd
LED
130°
LED
Electronic Component
Electronic Component
BM0228233714
Electronic Component
632nm
Operating Temperature
40℃~+85℃

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

MHT170JECT 产品概述 — MEIHUA(美华) 红色 0805 SMD LED

一、产品简介

MHT170JECT 是美华(MEIHUA)推出的一款高性价比红色贴片发光二极管(LED),采用0805 封装(公制 2012,约 2.0 × 1.25 mm),透镜为无色透明型。该器件在小尺寸下提供较宽的发光角与稳定的光输出,适合高密度贴片显示、指示与背光等应用场景。

二、主要规格参数

  • 发光颜色:红色
  • 波长(dominant):622 nm;峰值波长:632 nm
  • 正向电压(Vf):典型 2.0 V
  • 正向电流(If):最大/典型 20 mA
  • 功率耗散:最大 75 mW(器件绝对最大额定)
  • 发光强度:90 ~ 180 mcd(If = 20 mA,视距与测试条件有关,单颗最大可达 180 mcd)
  • 发光角度:130°(半值角)
  • 透镜颜色:无色透明
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 封装:0805 SMD,适合回流焊工艺

三、电气与光学特性说明

在典型驱动条件(If = 20 mA、Vf ≈ 2.0 V)下,器件单颗耗散功率约 40 mW(2.0 V × 20 mA)。给出 75 mW 为器件最大耗散限制,长期工作应保证实际损耗低于该值并做好散热与布局。光学输出按出厂测试在 If=20 mA 时测量,存在器件间的公差,实际应用时建议按最小光强规格进行余量设计。

四、典型应用场景

  • 仪表指示、功能状态灯
  • 小型面板与键盘背光点亮
  • 消费电子指示与装饰光源
  • 工业控制面板、通信设备指示灯
  • 交通与安防设备中的小型指示模块

五、封装与安装建议

0805 封装适合自动贴装与回流焊工艺。推荐在 PCB 设计时:

  • 留足焊盘尺寸与焊膏量,避免焊脚短缺或锡桥;
  • 布局时考虑散热路径,避免多个高亮度 LED 紧密堆叠导致温升叠加;
  • 建议采用符合 JEDEC 的回流曲线,避免超过器件热应力极限。

六、驱动与保护建议

为保证稳定工作并延长寿命,应采用恒流驱动或串联限流电阻。举例:

  • 单颗 LED 串联在 5 V 电源中,限流电阻 R = (5 V − 2 V) / 20 mA ≈ 150 Ω,电阻耗散约 0.06 W,选择 1/4 W 以上功率电阻;
  • 在 12 V 电源下串联多颗或计算 R = (Vsup − Vf_total) / If,并注意电阻功耗与热量。
    避免直接用过高电压驱动或频繁过流,以免降低可靠性。

七、可靠性与注意事项

  • 器件为固态发光元件,理论寿命长,但实际寿命受驱动电流、结温、环境湿度及焊接应力影响;建议在良好散热条件下使用;
  • 避免长期在额定极限(如 20 mA、75 mW)持续工作,设计时最好留有余量;
  • 使用与存储过程中注意防静电(ESD)保护及防潮处理,推荐带干燥剂的防潮包装并在规定时间内回流焊接。

八、包装与供货

MHT170JECT 作为 0805 标准贴片,通常以带卷(tape & reel)方式供货,便于 SMT 生产线自动贴装。具体包装数量与交期建议直接与供应商/代理确认,以满足批量装配需求。

总结:MHT170JECT(MEIHUA)红色 0805 LED 在微型封装下提供较高的视角与稳定光强,适合要求体积小、指示效果良好的各类电子产品。合理的驱动与热设计可确保其在 -40 ℃ 至 +85 ℃ 工况下稳定长期工作。若需器件详细数据表(包含光电曲线、封装尺寸、回流曲线与可靠性测试数据),建议向美华或代理索取完整 datasheet。

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