WMSIC Electronic Components

LRC S-LMSZ5237BT1G

ModelS-LMSZ5237BT1G
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+

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Technical data

Product details

19 specifications

Core information

Product name
LRC S-LMSZ5237BT1G
Type
LRC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
S-LMSZ5237BT1G
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.032g
Electronic Component
1
(Zzk)
500Ω
(Zzt)
8Ω
Electronic Component
BM0265112630
Diode
1
Power Dissipation(Pd)
500mW
Electronic Component
7.79V~8.61V
Electronic Component
55℃~+150℃

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

LRC S-LMSZ5237BT1G稳压二极管产品概述

一、产品核心身份与定位

S-LMSZ5237BT1G是乐山无线电(LRC)推出的小功率通用稳压二极管,主打8.2V稳定输出,针对低功耗、宽温适应性场景设计,可替代同类进口器件,广泛应用于消费电子、工业控制、通信设备等领域,是基准电压生成、过压保护及信号调理的高性价比选择。

二、关键性能参数深度解析

该产品的核心参数围绕稳压特性、功耗效率、阻抗表现及温度适应性展开,精准匹配小信号电路需求:

1. 稳压值的精准性与偏差范围

标称稳压值为8.2V,实际工作范围覆盖7.79V~8.61V,偏差率约±5%(8.2V×5%=0.41V),符合商用级稳压管的一致性标准。该范围无需额外校准即可满足单片机AD转换、运放偏置等场景的精度要求,兼顾生产效率与应用稳定性。

2. 功耗与阻抗的平衡设计

  • 最大耗散功率(Pd):500mW:适合小功率应用(如电池供电设备、低功耗MCU系统),避免发热导致的可靠性问题,延长系统寿命。
  • 动态阻抗(Zzt):8Ω:动态阻抗越低,稳压性能越稳定——负载电流波动时,输出电压变化极小,可有效抑制电源波动对后级电路的影响(如AD采样精度)。
  • 反向阻抗(Zzk):500Ω:反向电压下的阻抗与漏电流协同保障低功耗,避免反向偏置时的能量损耗。

3. 反向漏电流与宽温适应性

  • 反向漏电流(Ir):3μ[email protected]:在低于稳压值的6.5V偏置下,漏电流仅3μA(极低水平),显著降低系统待机功耗,适配电池供电的便携式设备。
  • 工作结温范围:-55℃~+150℃:覆盖工业级宽温需求,可在极端环境(如户外通信设备、汽车电子低温启动)下稳定工作,无需额外散热或温度补偿。

三、典型应用场景

结合参数特性,该产品的核心应用场景包括:

1. 电源基准电压生成

在单片机AD转换模块中,需稳定基准电压保证采样精度。该稳压管通过限流电阻并联在电源输出端,钳位电压至8.2V,为AD模块提供精准参考,避免电源波动导致的采样误差。

2. 过压保护电路

当电源出现浪涌(如雷击、开关尖峰)时,稳压管反向击穿,将电压钳位在8.2V左右,配合串联限流电阻可保护后级敏感电路(如运放、传感器)免受过压损坏,是简单高效的防护方案。

3. 信号调理偏置电压

在传感器信号放大电路中,需稳定偏置电压调整信号零点。该稳压管输出8.2V稳定电压,通过分压电路为运放提供精准偏置,提升信号放大的线性度。

4. 便携式低功耗设备

因Pd=500mW、Ir=3μA的低功耗特性,适配智能手环、蓝牙模块等电池设备,既满足稳压需求,又不显著增加能耗,延长续航时间。

四、品牌与可靠性保障

乐山无线电(LRC)作为国内老牌半导体厂商,拥有数十年分立器件生产经验,S-LMSZ5237BT1G符合JEDEC标准,经过温度循环、湿度老化、机械振动等严格测试,产品一致性好、故障率低。同时,LRC提供完善的技术支持与售后保障,适合批量应用于工业级与商用级系统。

该产品以高性价比、宽温适应性及稳定稳压性能,成为8.2V稳压需求场景的优选器件,可满足从消费电子到工业控制的多元化应用需求。

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