WMSIC Electronic Components

LRC S-LBZX84C27LT1G

ModelS-LBZX84C27LT1G
PackageSOT23
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-LBZX84C27LT1G
Type
LRC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
S-LBZX84C27LT1G
Electronic Component
1
Package
SOT23
Electronic Component
Zener Diode
Electronic Component
0.031g
Electronic Component
1
(Zzt)
80Ω
Electronic Component
BM0259314220
Diode
1
Current(Ir)
50nA
Power Dissipation(Pd)
225mW
Electronic Component
25.1V~28.9V
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component

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

S-LBZX84C27LT1G 稳压二极管产品概述

一、产品核心定位与典型应用场景

S-LBZX84C27LT1G是乐山无线电(LRC)推出的小功率表面贴装稳压二极管,核心功能是提供稳定的27V基准电压,适配对体积、功耗敏感的电子设计场景。其典型应用包括:

  • 消费电子:手机、智能手环等便携式设备的辅助供电稳压,维持低功耗模式下的电压稳定;
  • 工业控制:小型传感器模块、PLC辅助电路的基准电压源,适配-55℃~150℃的宽温环境;
  • 通信设备:低功耗射频电路、蓝牙模块的偏置稳压,满足小电流、高精度需求;
  • 电源设计:DC-DC转换器输出钳位、线性电源的辅助稳压,保护后级电路免受电压波动影响。

二、关键电气性能参数深度解析

该器件的电气参数围绕“小功率、低漏电流、宽温稳定”设计,核心参数及意义如下:

  1. 稳压值特性:标称稳压值27V,工作范围覆盖25.1V~28.9V(±3.5%公差),兼顾生产一致性与电路兼容性,无需额外校准即可满足常规精度需求;
  2. 反向漏电流(Ir):仅50nA(纳安级),反向截止状态下功耗极低,可有效降低设备待机电流损耗,适合电池供电的便携式产品;
  3. 耗散功率(Pd):额定225mW,属于小功率稳压管范畴,最大负载电流约8mA(计算:(I_{zmax} \approx \frac{P_d}{V_z} = \frac{225mW}{27V})),适配轻载应用;
  4. 动态阻抗(Zzt):80Ω,动态阻抗低意味着稳压值随负载电流变化的波动小(如负载电流从1mA增至5mA时,稳压值波动可控制在1%以内),稳定性优于普通稳压管;
  5. 工作结温范围:-55℃~+150℃,覆盖工业级、部分车规级环境温度,耐极端高低温性能可靠,长期工作无参数漂移。

三、封装与可靠性特性

采用SOT-23(TO-236AB)封装,是小功率表面贴装的经典封装形式:

  • 尺寸优势:封装尺寸仅2.9mm×1.6mm×1.1mm,可大幅节省PCB空间,适配高密度电路设计;
  • 焊接可靠性:LRC成熟的封装工艺确保焊接兼容性,回流焊温度(≤260℃/10s)、波峰焊温度(≤240℃/5s)符合行业标准,无虚焊风险;
  • 环境适应性:宽结温范围+封装抗振动性能,满足IEC 60068-2-6(振动)、IEC 60068-2-27(冲击)等可靠性测试要求。

四、品牌与品质保障

乐山无线电(LRC)是国内老牌半导体企业,专注分立器件研发生产30余年,产品通过ISO9001、IATF16949等国际认证,S-LBZX84C27LT1G属于其稳压管系列的成熟产品:

  • 一致性管控:批量生产中稳压值、漏电流等参数一致性好,减少电路调试难度;
  • 供货稳定性:月产能充足,无断供风险,适合量产项目;
  • 售后支持:提供完整的datasheet与技术咨询,帮助客户快速完成电路设计。

五、选型与使用注意事项

  1. 功率限制:负载电流需控制在8mA以内,若负载电流较大,需串联限流电阻或选用更高功率的稳压管;
  2. 限流电阻计算:典型限流电阻(R = \frac{V_{in} - V_z}{I_z}),其中(V_{in})为输入电压,(I_z)取5mA(典型工作电流),如(V_{in}=30V)时,(R=\frac{30-27}{0.005}=600Ω);
  3. 焊接规范:避免使用过高温度焊接,防止结温超过150℃导致器件损坏;
  4. 散热考虑:虽然功率小,但长时间工作需确保PCB散热良好,避免局部过热。

该器件凭借“小体积、低功耗、宽温稳定”的特性,成为轻载稳压场景的高性价比选择,适配多种电子设备的设计需求。

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