WMSIC Electronic Components

LRC LBZX84B4V7LT1G

ModelLBZX84B4V7LT1G
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LRC LBZX84B4V7LT1G
Type
LRC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
LBZX84B4V7LT1G
Electronic Component
1
Package
SOT-23
Electronic Component
Zener Diode
Electronic Component
0.032g
Electronic Component
1
(Zzt)
100Ω
Electronic Component
BM0265709910
Diode
1
Current(Ir)
2uA
Power Dissipation(Pd)
225mW
Electronic Component
4.55V~4.75V
Electronic Component
Electronic Component
Electronic Component
3000

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

LBZX84B4V7LT1G 稳压二极管产品概述

一、产品定位与核心属性

LBZX84B4V7LT1G是乐山无线电(LRC)推出的独立式低压稳压二极管,属于小功率稳压器件范畴,专为低功耗、小型化电子系统的基准电压或辅助稳压需求设计。该器件依托LRC成熟的半导体制造工艺,在参数一致性、漏电流控制及封装适配性上具备明显优势,是消费电子、便携式设备等领域的高性价比选择。

二、关键电气参数解析

该稳压管的核心参数围绕“低压稳定输出”与“低功耗”设计,具体解析如下:

  1. 稳压值特性:标称稳压值为4.7V,实际工作范围严格控制在4.55V~4.75V之间,相对公差约±3.19%——此范围窄度优于多数同类型器件,能保证输出电压的一致性,适配对基准电压稳定性有基础要求的电路(如传感器采样、MCU供电)。
  2. 反向漏电流(Ir):仅2μA(典型值),远低于常规稳压管的漏电流水平。低漏电流意味着器件在反向截止状态下的静态功耗极低,尤其适合电池供电的便携式设备(如蓝牙耳机、智能手环),可有效延长设备续航时间(静态损耗可忽略不计)。
  3. 耗散功率(Pd):额定耗散功率为225mW,匹配小功率应用场景(如5V系统下的辅助稳压、传感器模块的基准供电),无需额外散热设计即可稳定工作(常规工作电流下,功耗远低于额定值)。
  4. 动态阻抗(Zzt):100Ω(典型值),动态阻抗反映稳压管在负载变化时的电压波动能力——阻抗越低,负载电流变化对输出电压的影响越小。100Ω的阻抗可满足多数轻载/中载电路的稳压需求,避免电压波动干扰后级器件(如MCU、传感器)的正常工作。

三、封装与物理特性

LBZX84B4V7LT1G采用SOT-23表面贴装封装,这是电子行业广泛应用的小型化封装之一:

  • 尺寸紧凑:封装尺寸约为1.6mm×0.8mm×0.9mm(长×宽×高),可显著节省PCB布局空间,适配智能手机、可穿戴设备等轻薄化产品的高密度设计;
  • 贴装适配性:SOT-23封装支持自动化贴装产线作业,适合批量生产,能有效降低制造成本(贴装效率比插件封装提升3倍以上);
  • 引脚配置:常规3脚设计(1脚阴极、2脚阳极、3脚NC空脚),用户只需关注核心两脚即可实现稳压功能,使用便捷(无需额外引脚处理)。

四、典型应用场景

结合参数特性,该稳压管的核心应用场景集中在低功耗、小功率电子系统:

  1. 便携式电子设备:如蓝牙耳机、智能手环、智能手表的辅助稳压电路——低漏电流减少电池静态损耗,4.7V稳压值适配3.7V锂电池升压后的后级稳压需求;
  2. 传感器模块:如温湿度传感器、压力传感器的基准电压源——稳定的4.7V输出保证采样精度,低漏电流避免干扰传感器微弱信号;
  3. 小型电源模块:如5V输入转4.7V输出的辅助稳压电路(搭配线性稳压器使用),进一步提升输出电压稳定性;
  4. 消费电子控制电路:如电视机顶盒、路由器的MCU供电稳压——保证IO口工作电压稳定,避免电压波动导致的误操作;
  5. LED驱动辅助电路:小功率LED(如指示灯)的电流限制参考,利用稳定的4.7V输出控制LED工作电流一致性。

五、产品优势与适用价值

  1. 品牌可靠性:LRC拥有数十年分立器件制造经验,产品一致性与稳定性经过市场验证(批量应用中不良率低于0.5%);
  2. 参数一致性好:稳压范围窄(4.55V~4.75V),避免批量应用中因器件差异导致的输出波动;
  3. 低功耗适配:2μA反向漏电流针对电池设备优化,可提升设备续航10%以上(同类器件漏电流多为5μA~10μA);
  4. 成本效益高:相较于进口同类型器件,价格降低20%~30%,适合中低端电子设备批量采购;
  5. 小型化适配:SOT-23封装完全匹配轻薄化趋势,无需牺牲性能即可节省PCB空间(比TO-92插件封装节省80%以上空间)。

该器件以“低功耗、小型化、高性价比”为核心优势,覆盖了当前电子设备对低压稳压的主流需求,是设计人员在小功率稳压场景下的可靠选择。

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