WMSIC Electronic Components

LRC LMBZ5234BLT1G

ModelLMBZ5234BLT1G
PackageSOT-23
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LRC LMBZ5234BLT1G
Type
LRC
Minimum package
3000 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
LMBZ5234BLT1G
Electronic Component
1
Package
SOT-23
Electronic Component
Zener Diode
Electronic Component
0.031g
Electronic Component
1
(Zzk)
1kΩ
(Zzt)
7Ω
Electronic Component
BM0264457021
Diode
1
Current(Ir)
5uA
Power Dissipation(Pd)
225mW
Electronic Component
5.89V~6.51V
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.

LMBZ5234BLT1G稳压二极管产品概述

LMBZ5234BLT1G是乐山无线电(LRC)推出的一款独立式表面贴装稳压二极管,采用SOT-23小型封装,专为中小功率稳压、电压基准等场景设计,兼具宽温适应性与高性价比优势,是电子设计中常用的基础稳压元件。

一、产品基本属性

该器件属于LRC稳压二极管系列的常规型号,核心定位为低功耗、小体积稳压元件,关键属性如下:

  • 品牌:乐山无线电(LRC),国内知名半导体厂商,产品覆盖分立器件全品类,品质稳定;
  • 封装:SOT-23(表面贴装),尺寸约2.9mm×1.6mm×1.1mm,适配高密度PCB设计,满足便携式设备的空间限制;
  • 类型:独立式稳压二极管(非阵列型),单端独立工作,电路设计灵活,无需考虑多管匹配问题。

二、关键电气参数详解

电气参数是稳压二极管的核心性能指标,LMBZ5234BLT1G的关键参数及意义如下:

  1. 稳压性能:
    标称稳压值为6.2V,实际稳压范围覆盖5.89V~6.51V(满足±5%精度内的常规稳压需求,覆盖多数中小功率电路的电压基准要求);反向漏电流(Ir)仅5μA,漏电流低意味着待机功耗小,适合低功耗电路(如智能穿戴设备)。
  2. 阻抗特性:
    动态阻抗(Zzt)为7Ω(测试电流下的稳压阻抗,数值越低稳压精度越高,可有效抑制纹波);反向击穿前阻抗(Zzk)为1kΩ,说明器件击穿特性稳定,无软击穿现象,避免电压波动。
  3. 功率与温度:
    最大耗散功率(Pd)为225mW,可满足中小功率负载的稳压需求(如传感器模块、小型LED驱动);工作结温范围为**-65℃~+150℃**,覆盖工业级宽温区间,适应极端环境(如低温户外、高温车载)。

三、封装与可靠性特点

SOT-23封装赋予该器件以下核心优势:

  • 小型化:体积仅为传统直插稳压管的1/5左右,可大幅节省PCB空间,适配智能手机、蓝牙耳机等便携式设备的高密度布局;
  • 可靠性:封装采用耐高温塑料,结合宽结温范围,器件长期工作失效率低;表面贴装工艺适配自动化生产,降低焊接不良率(如虚焊、假焊);
  • 散热性:虽为小封装,但Pd=225mW的功率设计已覆盖多数中小功率场景,无需额外散热措施,简化电路设计。

四、典型应用场景

LMBZ5234BLT1G的参数特性决定了其适用场景:

  1. 便携式电子设备:如智能手机的传感器稳压、智能手环的蓝牙模块基准电压,满足小体积、低功耗需求;
  2. 工业控制模块:PLC(可编程逻辑控制器)的低功耗I/O模块稳压,适应-20℃~+85℃的工业环境;
  3. 通信射频电路:小型WiFi模块、蓝牙模块的偏置稳压,满足射频电路对电压稳定性的要求;
  4. 汽车电子辅助电路:车载显示屏的背光驱动稳压、胎压传感器模块稳压,适应-40℃~+125℃的车载温区。

五、选型与使用注意事项

为确保器件稳定工作,需注意以下要点:

  1. 功率匹配:负载功率需控制在Pd=225mW以内,若负载功率较大,需并联多个器件或串联限流电阻(限流电阻计算公式:R=(Vin-Vz)/Iz_max,Iz_max=Pd/Vz≈36mA);
  2. 极性确认:SOT-23封装通常以标记端(如色环或圆点)为阴极,接入电路时需确保阴极接高电位、阳极接低电位,避免反向击穿损坏;
  3. 精度需求:若需更高稳压精度(如±1%),可通过并联滤波电容(10μF~100μF)降低纹波,或选用精度更高的稳压管型号;
  4. 温度补偿:宽结温范围下,稳压值会随温度变化(约+2mV/℃),若对温度稳定性要求高,可结合热敏电阻设计补偿电路。

综上,LMBZ5234BLT1G凭借小体积、宽温、低功耗等优势,成为便携式设备、工业控制、汽车电子等领域的常规稳压选型,适合对成本与性能平衡要求较高的设计场景。

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