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S-LUDZS12BT1G是乐山无线电(LRC)推出的一款12V标称值稳压二极管,采用超小型表面贴装SOD-323封装,针对小功率、高密度稳压场景设计,兼具低功耗、宽温适应性与稳定的稳压特性,可满足便携式电子、工业控制等多领域的电源稳压需求。
该器件的电性能参数围绕“小功率稳定稳压”核心设计,关键指标如下:
标称稳压值为12V,实际稳压范围覆盖11.74V~12.24V,精度接近±2%(偏差控制在0.26V以内),可满足对稳压精度要求不苛刻但需稳定输出的电路需求,避免因电压波动导致的元器件误工作(如单片机程序跑飞、传感器数据异常)。
在9V反向偏置下,反向漏电流仅为100nA,远低于常规稳压管的漏电流水平(通常μA级),说明器件反向截止特性优异,静态功耗极低。这一特性尤其适合电池供电的低功耗设备(如可穿戴设备、物联网节点),可有效延长电池续航时间(相比高漏电流器件,日均功耗可降低数倍)。
最大耗散功率为200mW,属于典型的小功率稳压管范畴。按P=V×I计算,其适配的最大工作电流约16.7mA,可支撑小型传感器(如温湿度传感器)、单片机(如STM32L系列)等低电流负载的稳压需求,无需额外散热设计,简化电路布局。
动态阻抗分为两个典型值:测试电流下的Zzt=30Ω,拐点电流下的Zzk=80Ω。低阻抗意味着当负载电流(如传感器从休眠转工作态)或输入电压(如电池电压从4.2V降至3.0V)小幅变化时,输出稳压值波动极小(波动量≈阻抗×电流变化量),可有效提升电路的抗干扰能力与工作稳定性。
工作结温覆盖**-55℃+150℃**,远超常规消费电子器件(通常0℃70℃)的温度范围,可适应工业现场的极端环境:如北方户外设备的低温(-40℃)、高温车间传感器的持续高温(120℃),可靠性更有保障。
S-LUDZS12BT1G采用SOD-323封装,属于超小型表面贴装封装(行业常规尺寸约1.6mm×0.8mm×0.6mm),具有以下实用优势:
结合器件的参数特性,其主要应用于以下领域:
该器件由国内知名半导体厂商乐山无线电(LRC) 生产,LRC拥有50余年半导体器件研发与制造经验,产品符合RoHS环保标准,批量一致性好(稳压值偏差控制在±1%以内的批次占比超95%),可提供稳定的供货与技术支持,适合量产项目的选型需求。
总结:S-LUDZS12BT1G以“小体积、低功耗、宽温稳定”为核心优势,是12V稳压场景下的高性价比选型,可覆盖从消费电子到工业控制的多领域应用,尤其适合对空间、功耗敏感的设计需求。
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