WMSIC Electronic Components

LRC LM5Z2V4T1G

ModelLM5Z2V4T1G
PackageSOD-523
BrandLRC
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
LRC LM5Z2V4T1G
Type
LRC
Minimum package
5000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
LM5Z2V4T1G
Electronic Component
1
Package
SOD-523
Electronic Component
Zener Diode
Electronic Component
0.024g
Electronic Component
1
(Zzk)
1kΩ
(Zzt)
100Ω
Electronic Component
BM0264908381
Diode
1
Current(Ir)
50uA@1V
Power Dissipation(Pd)
300mW
Electronic Component
2.2V~2.6V
Electronic Component
65℃~+150℃

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

LM5Z2V4T1G稳压二极管产品概述

一、产品定位与核心功能

LM5Z2V4T1G是乐山无线电(LRC)推出的低电压表面贴装稳压二极管,属于小功率稳压器件范畴。其核心功能是通过反向击穿特性提供稳定的基准电压,标称稳压值为2.4V,适配对空间紧凑性要求极高的小型电子系统。该器件以SOD-523超小型封装为载体,兼顾小尺寸与宽温可靠性,是消费电子、物联网终端等领域的常用稳压元件。

二、关键电气参数解析

LM5Z2V4T1G的电气参数针对低电压稳压场景做了优化,核心参数的实际意义如下:

  • 稳压值范围:标称2.4V,实际工作范围2.2V~2.6V。此范围源于半导体制造工艺公差,确保批量产品一致性,设计时需预留裕量;
  • 反向漏电流(Ir):1.0V反向偏置下为50uA,漏电流越小反向截止特性越优,可降低静态功耗,适合电池供电的便携式设备;
  • 耗散功率(Pd):最大300mW,是器件允许的最大功率损耗(稳压值×最大稳压电流)。实际使用中需控制稳压电流不超过300mW/2.4V≈125mA,避免过热损坏;
  • 动态阻抗(Zzt):稳压区阻抗为100Ω,阻抗越小电压稳定性越好,负载波动或输入电压变化对输出的影响越小;
  • 工作结温范围:-65℃~+150℃,覆盖工业级、汽车级宽温场景,可适应户外低温或小型电源模块高温工作环境。

三、封装与可靠性设计

LM5Z2V4T1G采用SOD-523封装,是一种超小型表面贴装封装,尺寸远小于传统直插封装,适合高密度PCB布局(如智能手环、蓝牙耳机内部电路)。封装设计特点包括:

  • 表面贴装工艺兼容自动化生产,焊接效率高;
  • 封装材料具备良好防潮、抗机械应力能力,可承受回流焊/波峰焊工艺温度(峰值≤260℃,符合结温上限);
  • 引脚设计简洁,减少寄生参数,提升小信号电路的高频特性。

四、典型应用场景

该器件因小尺寸、低功耗、宽温特性,广泛应用于以下场景:

  1. 消费电子便携设备:蓝牙耳机、智能手环、智能手表的电源稳压模块,为传感器、MCU提供稳定2.4V基准;
  2. 物联网终端节点:低功耗温湿度/运动传感器的电源电路,适配电池供电的长续航需求;
  3. 汽车电子辅助模块:车载胎压监测子节点、小型传感器的稳压单元,宽温范围适应车载环境温度变化;
  4. 工业控制小型电路:现场传感器节点、小型PLC的辅助电源,宽温特性满足工业现场高低温要求;
  5. 移动电源/充电器:辅助稳压电路,稳定输出电压,提升充电效率。

五、选型与应用注意事项

使用LM5Z2V4T1G时需注意以下要点,确保可靠性:

  • 功耗控制:实际工作电流需低于125mA,避免超过最大耗散功率;
  • 焊接工艺:回流焊峰值温度不超过260℃,焊接时间控制在合理范围,避免损伤器件;
  • 静电防护:SOD-523封装为静电敏感元件,存储/运输需用防静电包装,操作时佩戴防静电手环;
  • 反向偏置要求:稳压管需工作在反向击穿区(反向电压≥2.4V),正向偏置仅为普通二极管,无稳压功能;
  • 负载匹配:负载电阻需合理选择,避免负载电流过大导致稳压值偏离标称范围。

LM5Z2V4T1G凭借稳定的低电压输出、小尺寸封装与宽温可靠性,成为小型电子系统稳压设计的高性价比选择。

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