WMSIC Electronic Components

LRC S-LBZT52C43T1G

ModelS-LBZT52C43T1G
PackageSOD-123
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 S-LBZT52C43T1G
Type
LRC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
S-LBZT52C43T1G
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.032g
Electronic Component
1
(Zzk)
700Ω
(Zzt)
100Ω
Electronic Component
BM0264999497
Diode
1
Current(Ir)
100nA@32V
Power Dissipation(Pd)
500mW
Electronic Component
40V~46V
Electronic Component
55℃~+125℃

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

LRC S-LBZT52C43T1G 稳压二极管产品概述

一、产品定位与核心优势

S-LBZT52C43T1G是乐山无线电(LRC)推出的小功率表面贴装稳压二极管,针对便携式电子、工业控制、通信设备等领域的低功耗稳压需求设计。核心优势集中在三个维度:

  1. 低反向漏电流:待机场景下功耗可控,适配电池供电设备;
  2. 宽温度适应性:满足工业级极端环境要求;
  3. 超小封装:适配高密度PCB布局,降低产品体积。

二、关键电气参数深度解析

该型号的电气性能围绕稳压稳定性、功耗控制展开,核心参数需重点关注:

(1)稳压特性

标称稳压值为43V,稳压范围覆盖40V~46V(典型工作电流下的精度区间),可满足中等电压等级的基准或稳压需求。需注意:稳压值随工作电流、温度有微小波动,但在额定范围内波动可控(温度系数约0.05%/℃,参考同类器件典型值)。

(2)功率与电流能力

最大耗散功率(Pd)为500mW,结合标称稳压值计算,最大工作电流(Izmax)约为11.6mA(Izmax=Pd/Vz≈500mW/43V);最小工作电流(Izmin)通常为1mA左右(需保证电路中工作电流处于该区间,否则稳压效果不稳定)。

(3)阻抗特性

  • 动态阻抗(Zzt):100Ω(测试条件:Iz=1mA),反映稳压值随工作电流变化的敏感度——阻抗越低,稳压稳定性越好;
  • 测试阻抗(Zzk):700Ω(测试条件:Vz=32V,Ir=100nA),用于反向漏电流测试时的阻抗参考。

(4)反向漏电流

反向漏电流(Ir)仅100nA(@32V),远低于稳压值(43V)的反向偏置下,漏电流对电路功耗的影响可忽略,特别适合电池供电的便携式设备(如智能手环、无线传感器)的待机稳压场景。

(5)温度特性

工作结温范围为**-55℃~+125℃**,符合工业级器件的温度要求,可在户外工业控制箱、车载电子等极端环境中稳定工作。

三、封装与机械可靠性

该型号采用SOD-123表面贴装封装,是小功率稳压管的主流封装之一,具有以下特点:

  • 尺寸紧凑:标准尺寸约为长2.4mm×宽1.6mm×高1.1mm,可大幅节省PCB空间,适配高密度布局;
  • 焊接兼容性:引脚采用铜基镀锡工艺,支持回流焊(最高焊接温度260℃/10s)、波峰焊等自动化焊接方式,焊接可靠性符合IPC-A-610标准;
  • 机械强度:封装采用改性塑料材质,抗冲击(1000g/0.1ms)、抗振动(20g/10~2000Hz)能力满足工业级应用要求。

四、典型应用场景

结合参数特性,S-LBZT52C43T1G适用于以下场景:

  1. 便携式电子设备:智能手表、无线耳机的电源管理模块,低漏电流降低待机功耗,小封装适配紧凑结构;
  2. 工业控制电路:PLC模块的辅助电源稳压、传感器信号调理电路的基准电压,宽温度范围适应工业现场温变;
  3. 通信设备:基站射频电路的偏置稳压、光纤收发器的电源滤波,稳定的稳压值保障信号传输质量;
  4. 小功率电源模块:DC-DC转换器的输出稳压、线性电源的基准参考,500mW功率满足低功耗需求。

五、选型与使用注意事项

  1. 工作电流控制:需通过串联限流电阻(R=(Vin-Vz)/Iz)保证稳压管工作电流在1mA~11.6mA之间,避免过流损坏;
  2. 静电防护:SOD-123封装对静电敏感,存储、焊接时需采用防静电措施(防静电袋、接地工作台);
  3. 替换参考:同参数可替换型号包括LRC LBZT52C43、CJ LBZT52C43等,需注意封装一致性;
  4. 存储条件:建议存储于温度-40℃~+85℃、湿度≤60%的环境中,避免长期暴露于潮湿或腐蚀性气体。

总结

S-LBZT52C43T1G作为LRC的小功率稳压管,以低漏电流、宽温范围、小封装为核心亮点,覆盖了便携式、工业、通信等多领域的稳压需求,是中等电压等级低功耗应用的可靠选择。

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