WMSIC Electronic Components

LRC LMBZ5246BLT1G

ModelLMBZ5246BLT1G
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 LMBZ5246BLT1G
Type
LRC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
LMBZ5246BLT1G
Electronic Component
1
Package
SOT-23
Electronic Component
Zener Diode
Electronic Component
0.029g
Electronic Component
1
(Zzk)
600Ω
(Zzt)
17Ω
Electronic Component
BM0264880192
Diode
1
Current(Ir)
100nA@12V
Power Dissipation(Pd)
225mW
Electronic Component
15.2V~16.8V
Electronic Component
65℃~+150℃

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

LMBZ5246BLT1G稳压二极管产品概述

一、产品基本定位

LMBZ5246BLT1G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16V基准电压,适配SOT-23紧凑型封装,专为需要小体积、低功耗、宽温稳定的电压调节场景设计。该器件属于LRC稳压管系列中的常用型号,兼顾精度、可靠性与成本优势,广泛应用于消费电子、工业控制、通信等领域,是替代进口同规格器件的高性价比选择。

二、核心电气参数详解

1. 稳压值与精度范围

标称稳压值为16V,实际工作稳压值范围为15.2V~16.8V(对应±5%精度),该精度满足大多数通用场景需求(如传感器供电、逻辑电路偏置),无需额外校准即可稳定输出电压。若需更高精度,可结合电路滤波或温度补偿优化。

2. 功耗与反向漏电流

  • 最大耗散功率Pd=225mW,结合标称稳压值计算,最大允许工作电流Izm≈14mA(225mW÷16V),可覆盖小电流稳压需求;
  • 反向漏电流Ir=100nA(@12V),漏电流极低,适合电池供电的便携式设备(如智能手环、蓝牙耳机),可有效降低待机功耗,延长设备续航。

3. 动态阻抗特性

稳压区动态阻抗Zzt=17Ω(典型值),反向击穿前阻抗Zzk=600Ω(典型值)。Zzt越低,说明稳压工作区电压随负载电流变化的幅度越小,稳压效果越稳定——17Ω的动态阻抗在同功率级稳压管中表现优异,可减少负载波动对输出电压的干扰。

4. 温度与工作范围

工作结温范围为**-65℃~+150℃**,覆盖工业级宽温要求,可在极端环境(如户外传感器、车载电子)中稳定工作;存储温度兼容结温范围,保障运输与长期存储可靠性。

三、封装与可靠性设计

1. SOT-23封装特点

SOT-23封装体积小巧(尺寸约2.9mm×1.6mm×1.1mm),引脚间距合理,适配自动化贴装生产线,适合高密度PCB设计(如智能手机主板、小型IoT模块);封装采用塑料封装,抗机械冲击与环境腐蚀能力强,符合RoHS无铅环保标准。

2. 可靠性验证

LRC对该器件进行了多项可靠性测试:

  • 温度循环测试(-65℃~150℃循环1000次),确认参数无漂移;
  • 湿热测试(85℃/85%RH),验证长期潮湿环境下的稳定性;
  • 焊接温度测试(回流焊260℃/10s),确保贴装过程无损坏。
    产品批次一致性好,适合批量生产应用。

四、典型应用场景

1. 便携式消费电子

如智能手环、蓝牙耳机、移动电源等设备的辅助稳压电路,利用低漏电流特性降低待机功耗,同时提供稳定的16V基准(用于充电管理或传感器供电)。

2. 工业控制模块

工业传感器(温度、压力传感器)的供电稳压,宽温范围适配户外或车间极端环境,稳定的输出电压保障传感器数据采集精度。

3. 通信设备

小型基站、路由器、交换机等设备的电源滤波与电压调节,SOT-23封装适配设备小型化趋势,低动态阻抗减少信号干扰。

4. 汽车电子辅助电路

车载小功率模块(仪表盘背光、传感器偏置)的稳压,宽温范围适配车载环境(-40℃~85℃),可靠性满足汽车级要求(部分批次可提供车规认证)。

五、品牌与质量保障

乐山无线电(LRC)是国内知名半导体器件制造商,拥有30余年稳压管生产经验,产品覆盖从通用到专用的全系列稳压管;LMBZ5246BLT1G符合IEC、GB等行业标准,提供完整的datasheet与技术支持,批量采购可享受稳定的供货周期与质量追溯。

六、选型与使用注意事项

  1. 功耗限制:实际工作电流需控制在14mA以内,避免超过Pd导致器件过热损坏;若需更大电流,可并联多个器件或选择更高功率型号(如1W级稳压管)。
  2. 反向电压应用:工作电压需在15.2V~16.8V范围内,低于该范围时无稳压作用(处于反向截止区),高于范围时需确认电流不超Pd。
  3. 焊接工艺:回流焊温度需控制在260℃以内(10s以内),手工焊接需用低功率烙铁(<30W),避免长时间高温导致封装损坏。
  4. 温度补偿:稳压值随结温变化约0.01%/℃,若对电压精度要求极高(如高精度仪表),需增加NTC或集成温度补偿电路。

综上,LMBZ5246BLT1G是一款性价比突出、性能稳定的小功率稳压管,适合多种场景的电压调节需求,是电子设计中替代进口同规格器件的可靠选择。

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