WMSIC Electronic Components

MEIHUA MHL3014SRTS

ModelMHL3014SRTS
PackageTHT,D=3MM
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 MHL3014SRTS
Type
THT, D=3MM
Minimum package
1000 袋

Technical parameters

Power
60mW
Electronic Component
Electronic Component
Electronic Component
MEIHUA
Electronic Component
MHL3014SRTS
Electronic Component
1
Package
Through-hole, D=3mm
Electronic Component
642nm
Electronic Component
LEDDiode / LED
Electronic Component
0.016g
Electronic Component
1
LED
200mcd
LED
30°
LED
Electronic Component
Electronic Component
BM0225772628
Electronic Component
660nm
Operating Temperature
25℃~+85℃

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

MHL3014SRTS 产品概述

一、产品简介

MHL3014SRTS 是 MEIHUA(美华)出品的一款 3mm 圆形插件红色发光二极管(LED),型号常见标注为 LED_D3X5.38MM_TM。该器件采用插件式小型封装,光学集中、发色纯正,适用于面板指示、仪表指示、开关指示与各类小型电子设备的状态显示。

二、主要规格参数

  • 光源类型:3mm 圆形插件 LED
  • 发光颜色:红色
  • 正向电压(Vf):约 1.8V(典型)
  • 额定正向电流(If):20mA
  • 最大功耗(Pd):60mW
  • 峰值波长:660nm,中心波长 642nm(光色偏向典型红色)
  • 发光强度:200 mcd(@20mA)
  • 发光角度:30°(光束集中)
  • 工作温度范围:-25°C ~ +85°C
  • 封装形式:插件,直径 3mm(D=3mm)

三、性能特点

  • 光束集中:30° 小角度出光,适合指示灯与需要方向性光源的应用,视觉穿透力强。
  • 色彩稳定:峰值 660nm,视觉呈现为标准红色,色偏小,便于色彩统一设计。
  • 适配性好:典型驱动电流 20mA,可用常规限流电阻或小功率恒流驱动器驱动;在额定工作点下功耗与热量可控。
  • 可靠性:广泛工作温度范围满足多数商业与工业电子设备使用需求。

四、典型电路与选型指导

推荐两种常用驱动方式:限流电阻式和恒流驱动式。

  • 限流电阻计算(示例):R = (Vsup - Vf) / If

    • 以 5V 电源为例:R = (5.0 - 1.8) / 0.02 = 160 Ω,可选标准值 150Ω 或 180Ω;电阻功率 P = I^2·R ≈ 0.064W,1/4W 电阻足够。
    • 以 12V 电源为例:R = (12.0 - 1.8) / 0.02 ≈ 510 Ω,可选 560Ω;电阻功率 ≈0.20W,建议使用 1/2W 电阻。
    • 以 3.3V 电源为例:R = (3.3 - 1.8) / 0.02 = 75 Ω,可选 82Ω,功率小于 1/4W。
  • 恒流驱动:在需要亮度一致性或多颗并联时推荐使用恒流源,能有效抵抗电压波动与批次 Vf 差异。

注意:器件最大功耗 60mW,应保证在任何工作情况下 LED 自身功耗(Vf·If)不超过该限值。典型工作点 1.8V×20mA = 36mW,仍在安全范围内,但在高温或长期使用时应留有裕量。

五、典型应用场景

  • 仪表、控制面板指示灯
  • 家电及办公设备状态指示
  • 小型手持设备与移动端指示
  • 工业控制、嵌入式系统状态反馈
  • 玩具、模型与装饰照明(需注意发光角度与亮度匹配)

六、可靠性、焊接与储存建议

  • 焊接建议:插件式手工焊接或波峰焊时,建议峰值温度不超过约 260°C,焊接时间尽量短(通常建议 ≤5s/焊点)以防止塑封件受热损伤。
  • 环境与散热:在高环境温度或高密度布局中,应注意散热与热累积,避免长期在额定极限温度附近工作。
  • 储存建议:存放于干燥、常温、避光环境,避免潮湿和强光长期照射以延长器件寿命与稳定性。

七、封装与外观

  • 插件式通孔(D=3mm)标准圆头外观,适合面板安装与快速手工装配。引脚长度与间距符合常见 3mm 插件元件尺寸规范,便于替换与设计布局。

八、选型注意事项

  • 若需要更高亮度或更宽视角,应考虑大角度或高亮度型号;如需在高温环境(>85°C)使用,应选用额定温度更高的工业级产品。
  • 在并联多颗 LED 时,优先采用恒流驱动或为每颗 LED 配置限流元件,避免正向电压差导致不均流。

总结:MHL3014SRTS 是一款适用于通用指示场合的 3mm 红色高集中度 LED,特点为色泽纯正、发光角度窄、易于驱动与装配,适合需要明确方向性指示的应用。

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