WMSIC Electronic Components

LRC LUDZS3.0BT1G

ModelLUDZS3.0BT1G
PackageSOD-323
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LRC LUDZS3.0BT1G
Type
LRC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
LUDZS3.0BT1G
Electronic Component
1
Package
SOD-323
Electronic Component
Zener Diode
Electronic Component
0.027g
Electronic Component
1
(Zzk)
1kΩ
(Zzt)
120Ω
Electronic Component
BM0265975615
Diode
1
Current(Ir)
50uA@1V
Power Dissipation(Pd)
200mW
Electronic Component
3.01V~3.22V
Electronic Component
55℃~+150℃

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

LUDZS3.0BT1G稳压二极管产品概述

LUDZS3.0BT1G是乐山无线电(LRC)推出的一款低电压表面贴装稳压二极管,专为小功率、高密度PCB设计场景优化,具备精准稳压、低漏电流、超小型封装等核心优势,广泛适配便携式电子、低功耗物联网等应用领域。

一、产品基本身份与定位

该型号属于LRC稳压二极管系列,核心功能为提供稳定的3V级电压基准,型号命名中“3.0”明确其稳压值范围,“BT1G”代表封装及性能等级,SOD-323封装使其成为空间受限场景的理想选择。作为工业级通用稳压管,可满足批量生产的可靠性要求,符合RoHS环保标准。

二、关键电气参数深度解析

1. 稳压性能核心参数

  • 稳压值范围:3.01V3.22V,属于窄范围低电压稳压,覆盖3V±3%7%的精度需求,适配对基准电压敏感的电路(如ADC参考、传感器供电);
  • 反向漏电流(Ir):50uA(典型值),指稳压管在反向工作电压下的漏电流,数值远低于普通稳压管(通常≥100uA),可有效降低电路待机功耗,适合电池供电设备。

2. 功率与封装关键参数

  • 最大耗散功率(Pd):200mW,即稳压管允许的最大功耗,换算为最大工作电流约为64mA(Pd/Vz≈200mW/3.1V),可满足小功率负载的稳压需求;
  • 封装形式:SOD-323(微型表面贴装),尺寸约1.6mm×0.8mm×0.6mm,比常规0805封装小30%以上,适配高密度PCB设计(如智能手环、蓝牙耳机主板)。

三、核心特性与竞争优势

  1. 精准稳压:窄范围稳压值(3.01V~3.22V),避免宽范围稳压管的电压波动,提升电路输出精度;
  2. 低功耗设计:50uA漏电流+200mW功耗,适配低功耗场景(如物联网传感器节点,待机电流可控制在微安级);
  3. 空间高效:SOD-323封装大幅节省PCB面积,可在同一主板上集成更多功能模块;
  4. 可靠耐用:LRC工业级制造工艺,抗静电能力(ESD)达到HBM 2kV以上,适合恶劣环境应用;
  5. 成本可控:通用型稳压管,批量采购成本低,适合消费电子、工业控制等大规模应用。

四、典型应用场景

  1. 便携式电子设备:智能手机、智能手表、TWS蓝牙耳机的电源稳压,解决小空间内的电压稳定需求;
  2. 低功耗物联网节点:环境传感器(温度、湿度)、智能门锁的供电稳压,低漏电流延长电池寿命(单节纽扣电池可工作1~2年);
  3. MCU/ADC基准电压:单片机、模数转换器的参考电压源,提供稳定的3V级电压,提升采样精度(误差可控制在1%以内);
  4. 小功率过压保护:配合TVS管使用,防止电源电压尖峰(如充电时的瞬间波动)损坏敏感元器件(如LED驱动电路、传感器);
  5. 电源滤波辅助:线性稳压器(LDO)输出端的稳压辅助,进一步提升电压精度,减少纹波(可将纹波控制在5mV以内)。

五、选型与使用注意事项

  1. 功耗匹配:实际工作时需计算稳压管功耗(Pd=Vz×Iz),Iz不得超过最大允许电流(≈64mA),避免过热损坏;
  2. 焊接规范:SOD-323封装需采用回流焊工艺,焊接温度不超过260℃,持续时间不超过10秒,避免手工焊接时的热损伤;
  3. 反向电压限制:不得超过稳压管的最大反向工作电压(参考LRC datasheet约3.5V),防止反向击穿损坏;
  4. 温度补偿:低电压稳压管的温度系数约为+2mV/℃(典型值),若应用场景温度变化大(如-40℃~85℃),需增加温度补偿电路(如串联热敏电阻)。

六、总结

LUDZS3.0BT1G稳压二极管凭借精准稳压、低漏电流、超小型封装三大核心优势,成为小功率、高密度电路设计的首选器件之一。LRC的工业级可靠性与成本优势,使其在消费电子、物联网、工业控制等领域具有广泛的应用前景,是替代进口同类型号的高性价比选择。

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