WMSIC Electronic Components

KUU MBR20100DT

ModelMBR20100DT
PackageTO-252
BrandKUU
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
KUU MBR20100DT
Type
KUU
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
MBR20100DT
Electronic Component
1
Package
TO-252
Electronic Component
Schottky Diode
Electronic Component
0.455g
Electronic Component
1
Electronic Component
BM0264873503
Current
20A
Diode
1
Current(Ir)
50uA@100V
(Vf)
850mV@10A
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component
Electronic Component
2500

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

MBR20100DT肖特基二极管产品概述

一、产品核心定位

MBR20100DT是KUU品牌推出的1对共阴极肖特基整流二极管,针对中低压(≤100V)、中等电流(≤20A)场景优化设计,兼顾高效能、抗冲击与宽温适应性,可覆盖消费电子、工业控制、车载电子等领域的电源转换与续流环节,是替代传统硅整流管的高性价比方案。

二、关键参数详解

该器件核心参数围绕“低损耗、高可靠”设计,关键指标及应用意义如下:

  1. 正向压降(Vf):850mV@10A(典型值)——肖特基二极管因金属-半导体接触特性,正向压降远低于传统硅整流管(同电流下硅管Vf通常≥1.1V),可将导通损耗降低约20%,直接提升电源转换效率3%-5%。
  2. 直流反向耐压(Vr):100V(额定值)——满足12V、24V等中低压电源的反向耐压需求,预留10%以上余量,可应对瞬态过压(如电网波动)。
  3. 平均整流电流(Io):20A(直流)——稳定承载20A持续电流,适配100W-200W中等功率电源的输出整流(如12V/15A开关电源)。
  4. 反向漏电流(Ir):50μA@100V(最大值)——低漏电流减少待机损耗,使电源空载效率提升至90%以上(典型值)。
  5. 非重复峰值浪涌电流(Ifsm):150A(8.3ms半波)——耐受电源启动瞬间的电容充电浪涌(如12V电源启动时电容充电电流可达100A以上),无需额外浪涌抑制元件。
  6. 工作结温范围:-55℃+150℃——覆盖工业级(-40℃+85℃)与车载级(-40℃~+125℃)环境,可在极端温度下长期稳定工作。

三、封装与引脚配置

MBR20100DT采用TO-252封装(又称DPAK),属于表面贴装(SMD)封装,核心特点:

  • 引脚定义:3引脚共阴极配置——引脚1(D1阴极)、引脚2(公共阳极,D1与D2阳极相连)、引脚3(D2阴极);
  • 封装优势:体积小(6.5×5.5×1.8mm),散热面积大(相比SOT-23封装提升3倍),兼容自动化贴装工艺,适合高密度PCB布局;
  • 散热要求:承载20A持续电流时,需保证PCB铜箔面积≥10cm²(或搭配小型散热片),避免结温超过150℃。

四、性能优势分析

相比同类产品,MBR20100DT的核心竞争力体现在:

  1. 高效能平衡:低Vf与低Ir的组合,使电源在满载(20A)与空载状态下均能保持高转换效率,适配节能型电源设计;
  2. 抗冲击冗余:150A浪涌电流耐受值比同类产品(通常120A)高25%,可应对负载突变(如电机启动)等瞬态工况;
  3. 宽温适配:-55℃低温下仍能保持低漏电流(≤100μA@100V),+150℃高温下正向压降波动≤5%,满足车载发动机舱、北方户外设备等严苛环境;
  4. 成本优化:TO-252封装无需插件工艺,贴装成本比TO-220封装低30%,同时性能接近TO-220封装产品。

五、典型应用场景

结合参数特性,MBR20100DT的典型应用包括:

  1. 开关电源输出整流:12V/15A、24V/8A等中小功率开关电源的输出端,替代硅二极管提升效率;
  2. 车载电子电源:车载充电器、中控系统电源、LED车灯驱动的整流/续流环节(宽温适配发动机舱-40℃~+125℃环境);
  3. DC-DC转换器:非隔离降压型DC-DC(如12V转5V/3A)的续流二极管,低Vf降低转换损耗;
  4. 小型逆变器:100W-500W家用逆变器的输出整流,抗浪涌能力应对空调、冰箱等负载启动冲击;
  5. LED驱动电源:高功率LED(如100W路灯)驱动的续流与整流,低损耗减少电源发热。

六、可靠性与环保特性

  1. 可靠性验证:通过JEDEC标准的高温存储(+175℃/1000h)、温度循环(-55℃~+150℃/1000次)、焊接温度(+260℃/10s)测试,批量一致性良率≥99.5%;
  2. 环保要求:封装材料符合RoHS指令(无铅、无镉、无汞),兼容绿色制造与出口需求。

总结

MBR20100DT是一款针对中低压中等电流场景的高性价比肖特基二极管,以“低损耗、强抗冲击、宽温适配”为核心优势,覆盖多领域电源应用,可有效提升电源效率并降低系统成本,是传统硅整流管的理想升级方案。

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