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LUDZS12BT1G是乐山无线电(LRC) 推出的独立式稳压二极管,属于小型化表面贴装器件。该产品专为低功率、高密度电路设计,核心功能是提供稳定的12V电压基准,适配消费电子、通信设备、便携式产品等多类场景,兼具低功耗、高可靠性与小型化优势。
该产品的关键参数直接决定了其应用场景与性能表现,具体解析如下:
标称稳压值为12V,工作范围覆盖11.74V~12.24V,误差约2%(12V基准下波动±0.26V)。此精度满足大多数常规稳压需求,无需额外复杂的稳压电路设计,可直接作为电压基准使用。
反向漏电流仅100nA(@9V反向偏置),是该产品的核心优势之一。漏电流极低意味着:在反向电压未达稳压值时(非稳压工作状态),几乎不消耗额外电能,非常适合对功耗敏感的便携式设备(如智能手环、蓝牙耳机),能有效延长电池续航。
最大耗散功率为200mW,虽属于小功率范畴,但覆盖了多数低功率电路的稳压需求(如单片机、传感器的供电稳压),适配场景广泛。
动态阻抗(Zzt)为30Ω。动态阻抗越低,稳压管在负载电流变化时的电压波动越小——比如当负载电流有微小波动时,输出电压仍能保持稳定,稳压特性可靠。
采用SOD-323 表面贴装无引脚封装,典型尺寸为长1.6mm×宽0.8mm×高0.5mm,体积紧凑,适配高密度PCB布局,适合批量自动化贴装生产。
SOD-323封装具有以下实用特性:
该产品凭借低功耗、小型化等特点,广泛应用于以下场景:
智能手机、平板电脑、智能手表等便携式设备的辅助稳压电路——利用低漏电流特性降低待机功耗,延长电池续航;
路由器、交换机、无线AP等设备中的低功率模块稳压(如指示灯电路、控制芯片供电);
USB充电器、移动电源的输出辅助稳压,确保输出电压稳定在12V附近;
小型传感器节点、PLC的辅助稳压电路,适配高密度PCB设计;
车载蓝牙、USB充电口等低功率模块的稳压(需结合具体汽车级认证要求)。
LUDZS12BT1G的核心竞争力体现在:
综上,LUDZS12BT1G是一款高性价比的小型稳压二极管,可满足多类低功率稳压场景的需求,是消费电子、通信等领域的理想选择。
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