WMSIC Electronic Components

LRC LRB520BS-40T5G LRB520BS

ModelLRB520BS-40T5G
PackageSOD-882
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 25+

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Technical data

Product details

18 specifications

Core information

Product name
LRC LRB520BS-40T5G
Type
LRC
Minimum package
10000

Technical parameters

Electronic Component
LRC
Electronic Component
LRB520BS-40T5G
Electronic Component
1
Package
SOD-882
Electronic Component
Schottky Diode
Electronic Component
0.009g
Electronic Component
1
Electronic Component
BM0264743442
Current
200mA
Diode
1
Current(Ir)
1uA
(Vf)
390mV
Electronic Component
10000
Voltage Rating(Vr)
40V
Surge Current (Ifsm)
1A

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

LRB520BS-40T5G 肖特基二极管产品概述

一、产品基本定位与核心身份

LRB520BS-40T5G是乐山无线电(LRC)推出的一款独立式肖特基二极管,属于中低压、小电流肖特基系列的核心产品。其定位聚焦于低功耗、高密度电路的整流、续流及信号保护需求,凭借低正向压降、超小型封装等特性,适配便携式电子、物联网、通信接口等多领域应用场景。

二、关键电性能参数解析

该产品针对小电流场景做了精准优化,核心参数及实际意义如下:

  1. 正向压降(Vf):390mV
    远低于普通硅二极管(典型0.7V),导通损耗显著降低,尤其适合对功耗敏感的低功耗电路(如物联网节点),能有效减少电源转换过程中的能量损失。
  2. 直流反向耐压(Vr):40V
    可稳定承受最大40V直流反向电压,在40V以下电路中使用时,反向漏电流极小,关断状态可靠,避免反向击穿风险。
  3. 整流电流(If):200mA
    持续工作的最大整流电流为200mA,完全覆盖便携式设备(蓝牙耳机、智能手环)、传感器节点等小电流电路的实际需求。
  4. 反向电流(Ir):1uA
    反向漏电流仅1微安,关断状态下几乎无额外功耗,适配对静态电流要求严格的场景(如设备休眠模式)。
  5. 非重复峰值浪涌电流(Ifsm):1A
    可承受毫秒级1A浪涌冲击,能抵御电路启动瞬间的电流波动或外部偶然冲击,提升产品抗干扰能力。

三、封装形式与物理特性

采用SOD-882超小型表面贴装封装,具备以下优势:

  • 尺寸紧凑:封装尺寸约0.8×0.8×0.4mm(行业常规规格),大幅节省PCB空间,适配智能手表、蓝牙耳机等高密度主板设计;
  • 焊接兼容:支持回流焊、波峰焊等主流工艺,适合批量自动化生产,焊接可靠性强;
  • 宽温适用:可在-55℃~150℃范围内稳定工作,满足工业级及消费级应用的温度要求。

四、典型应用场景

结合参数特点,该产品主要应用于以下场景:

  1. 便携式电子设备电源整流
    如手机充电接口、智能手环的低压整流电路,低Vf减少充电时的功耗损耗,200mA电流匹配设备实际工作需求。
  2. DC-DC转换器续流二极管
    在5V转3.3V等低压DC-DC电路中作为续流管,低导通压降降低转换损耗,提升电源效率。
  3. 通信接口过压保护
    用于UART、I2C等接口的过压钳位,40V反向耐压抑制瞬态过压,1uA漏电流不影响信号传输质量。
  4. 物联网传感器节点电源
    传感器节点工作电流通常在几十mA以内,该产品的低功耗特性可延长节点电池续航时间。

五、品牌与可靠性优势

作为LRC的成熟产品,LRB520BS-40T5G具备以下可靠性保障:

  • 工艺成熟:LRC拥有数十年半导体器件生产经验,产品一致性好,参数离散性小;
  • 环保合规:符合RoHS、REACH标准,无铅无卤,适配绿色电子产品设计;
  • 测试严格:经过高温老化、浪涌测试等多重可靠性验证,长期使用稳定性强。

六、选型与替换参考

若需替换,可选择同封装、同参数的肖特基二极管(如SOD-882封装、40V/200mA、Vf≤400mV的产品),替换时需确认反向漏电流、浪涌能力与原产品一致,确保电路性能不受影响。

LRB520BS-40T5G凭借低功耗、小体积、高可靠性的特点,成为便携式电子及物联网领域的优选肖特基二极管之一。

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