WMSIC Electronic Components

Jingdao Microelectronics MBR2045DT

ModelMBR2045DT
PackageTO-252-2
BrandElectronic
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+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Electronic MBR2045DT
Type
Jingdao Microelectronics
Minimum package
2500 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic
Electronic Component
MBR2045DT
Electronic Component
1
Package
TO-252-2
Electronic Component
Schottky Diode
Electronic Component
0.463g
Electronic Component
1
Electronic Component
BM0263480965
Current
20A
Diode
1
Current(Ir)
100uA@45V
(Vf)
700mV@10A
Electronic Component
Electronic Component
Electronic Component
2500
Voltage Rating(Vr)
45V

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

MBR2045DT肖特基二极管产品概述

一、产品基本定位

MBR2045DT是晶导微电子推出的1对共阴极肖特基整流二极管,属于中功率表面贴装器件,主打低压、中电流场景下的高效整流需求。其核心优势在于低导通损耗、良好的浪涌承受能力,搭配紧凑的TO-252-2封装,适合自动化生产与高密度PCB布局,广泛应用于开关电源、车载电子、适配器等领域。

二、核心参数详解

该器件的关键参数直接决定了应用范围与性能表现,具体解析如下:

  1. 正向压降(Vf):700mV@10A
    肖特基二极管的典型优势是低正向压降,MBR2045DT在10A导通电流下仅700mV,远低于普通硅整流二极管(通常1V以上),可显著降低整流过程中的导通损耗,提升电源转换效率。
  2. 直流反向耐压(Vr):45V
    满足低压应用场景的反向电压要求(如12V/24V系统),反向耐压余量充足,可避免因电压波动导致的击穿风险。
  3. 平均整流电流(If):20A
    持续工作时可稳定承载20A电流,能满足中功率设备的整流需求(如12V/20A电源模块)。
  4. 反向漏电流(Ir):100uA@45V
    反向漏电流极小,在额定反向电压下仅100微安,可减少待机功耗,同时提升器件可靠性(漏电流过大易导致发热与失效)。
  5. 非重复峰值浪涌电流(Ifsm):150A
    能承受瞬间150A的浪涌冲击(如电源开机瞬间、负载突变时的电流峰值),无需额外浪涌保护器件即可保障电路安全。

三、封装与引脚配置

MBR2045DT采用TO-252-2贴片封装,具有以下实用特点:

  • 尺寸紧凑:封装体积小,适合高密度PCB设计,可减少产品空间占用;
  • 散热性好:表面贴装结构便于PCB散热铜箔连接,能有效导出20A电流产生的热量;
  • 共阴极引脚配置:两个肖特基二极管的阴极共用一个引脚(通常为TO-252-2的中间引脚),两侧引脚为阳极,这种配置适合全波整流、双路独立整流等拓扑结构,简化电路设计。

四、典型应用场景

结合参数特性,MBR2045DT的核心应用场景包括:

  1. 低压开关电源:如12V/24V输出的PC电源、LED驱动电源,低Vf提升效率,20A电流满足中功率需求;
  2. 车载电子:车载充电器、车载音响电源,150A浪涌能力可承受汽车启动时的电压波动,共阴极配置适配车载双路整流拓扑;
  3. 适配器与充电器:笔记本电脑、平板充电器的低压整流环节,小漏电流降低待机功耗,TO-252封装适合小型化设计;
  4. 小型逆变器:光伏微型逆变器、应急电源的逆变后整流,共阴极结构简化全波整流电路;
  5. 工业控制电源:PLC、传感器模块的辅助电源,可靠性高,可适应工业环境的温度与电压波动。

五、品牌与可靠性说明

晶导微电子是国内功率器件领域的成熟厂商,MBR2045DT经过严格的可靠性测试(如高温存储、温度循环、浪涌寿命测试等),符合GB/T 15564等行业标准,可稳定应用于量产场景。同时,该器件成本可控,适合中小批量到大规模生产,是替代进口同类产品的高性价比选择。

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