WMSIC Electronic Components

LRC LRB551BS-30BT5G LRB551BS

ModelLRB551BS-30BT5G
PackageSOD-882B
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

18 specifications

Core information

Product name
LRC LRB551BS-30BT5G
Type
LRC
Minimum package
10000

Technical parameters

Electronic Component
LRC
Electronic Component
LRB551BS-30BT5G
Electronic Component
1
Package
SOD-882B
Electronic Component
Schottky Diode
Electronic Component
0.009g
Electronic Component
1
Electronic Component
BM0264595057
Current
500mA
Diode
1
Current(Ir)
100uA
(Vf)
540mV
Electronic Component
10000
Voltage Rating(Vr)
30V
Surge Current (Ifsm)
3A

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

LRB551BS-30BT5G 肖特基二极管产品概述

一、产品核心定位与技术属性

LRB551BS-30BT5G是乐山无线电(LRC)推出的一款低正向压降中低压肖特基二极管,属于小功率整流/续流器件范畴。其核心设计围绕「高效率、小尺寸、高可靠性」展开,针对性解决低电压系统的功耗痛点与空间限制,是传统硅二极管的高效替代方案,适配消费电子、便携式设备等对能效敏感的场景。

二、关键电性能参数深度解析

该产品的参数设计精准匹配低电压应用需求,核心参数及实际价值如下:

  1. 正向压降(Vf=540mV):相比普通硅整流二极管(典型Vf=0.7V)低160mV,可显著降低导通损耗——以5V电源系统为例,相同负载下效率提升约3%,尤其适合便携式设备的电池供电场景,有效延长续航时间;
  2. 直流反向耐压(Vr=30V):覆盖3.3V、5V、12V等常见低电压系统的反向防护需求,满足基本耐压要求的同时,避免过高耐压带来的成本与体积冗余;
  3. 连续整流电流(If=500mA):可稳定承载0.5A连续工作电流,适配小型负载(如LED驱动、小功率传感器供电);
  4. 反向漏电流(Ir=100uA):25℃环境下反向漏电流仅100μA,待机状态下功耗极低,进一步提升系统能效(如移动电源的待机损耗控制);
  5. 非重复峰值浪涌电流(Ifsm=3A):能承受10ms内3A浪涌冲击,可有效抵御电路启动、负载突变带来的电流尖峰,提升系统抗干扰能力(如USB充电口的瞬间过载防护)。

此外,肖特基二极管的典型快恢复特性(ns级恢复时间)使其适合高频开关电路(如DC-DC转换器),减少开关损耗与电磁干扰。

三、封装设计与可靠性优势

LRB551BS-30BT5G采用SOD-882B表面贴装封装,具备以下实用优势:

  1. 小尺寸高密度:封装尺寸符合行业小型化趋势(参考标准:1.6mm×0.8mm×0.5mm),适配智能手机、智能穿戴设备等高密度PCB设计;
  2. 无铅环保:符合RoHS 2.0及无卤标准,满足全球环保法规要求;
  3. 耐高温可靠性:可承受260℃以上回流焊温度(行业标准),适合自动化贴片生产;长期工作温度范围为-55℃~125℃,覆盖工业与消费电子的环境需求;
  4. 机械稳定性:封装结构牢固,抗振动、抗冲击性能符合电子设备可靠性测试要求(如车载辅助电路的振动场景)。

四、典型应用场景说明

结合参数特性,该产品主要应用于以下场景:

  1. 低电压电源系统:5V/3.3V输出的电源适配器、移动电源、USB充电口的整流/续流电路;
  2. 便携式电子设备:智能手机、智能手表、蓝牙耳机的充电管理、电池保护电路;
  3. 高速开关电路:DC-DC降压转换器(Buck电路)的续流二极管,利用快恢复特性提升开关效率;
  4. 小型电机驱动:玩具电机、微型泵的续流二极管,承受瞬间反向浪涌;
  5. 消费电子辅助电路:LED背光驱动、小型传感器供电的整流/续流。

五、品牌与质量保障

乐山无线电(LRC)是国内半导体行业老牌厂商,拥有超过50年分立器件生产经验,产品通过ISO9001质量管理体系、IATF16949汽车电子体系认证,批量供应一致性好,售后技术支持完善。LRB551BS-30BT5G的参数稳定性与可靠性经过多轮测试验证,可满足消费电子、工业控制等领域的量产需求。

该产品以「高效、紧凑、可靠」为核心竞争力,是低电压系统中整流/续流的优选器件。

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