WMSIC Electronic Components

JUXING MBR20200DT

ModelMBR20200DT
PackageTO-252
BrandJUXING
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+

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Technical data

Product details

19 specifications

Core information

Product name
JUXING MBR20200DT
Type
JUXING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JUXING
Electronic Component
MBR20200DT
Electronic Component
1
Package
TO-252
Electronic Component
Schottky Diode
Electronic Component
0.46g
Electronic Component
1
Electronic Component
BM0265602182
Current
20A
Diode
1
Current(Ir)
100uA@200V
(Vf)
920mV@10A
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component
Electronic Component
3000

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

MBR20200DT肖特基二极管产品概述

一、产品核心定位

MBR20200DT是钜兴(JUXING)推出的独立式肖特基整流二极管,属于中功率级整流器件。其设计围绕「低导通损耗、高浪涌耐受、宽温稳定」三大核心,适配对效率、可靠性要求较高的电子电路场景,是替代传统硅整流管的优选方案。

二、关键电气参数详解

该器件的电气参数直接定义了性能边界,核心参数及意义如下:

1. 正向导通特性

  • 正向压降(Vf):920mV(典型值,测试条件:10A直流电流)
    肖特基二极管的核心优势在于低正向压降——相比传统硅整流管(如1N4007在1A时Vf≈700mV,但10A时压降陡增至1.5V以上),MBR20200DT在10A大电流下仍保持0.92V的低损耗,可显著降低整流电路的导通功耗。
  • 整流电流(If):20A(直流平均电流)
    此为器件长期稳定工作的最大直流电流,支持中功率场景的持续整流需求(如200W~500W电源的次级整流)。

2. 反向截止特性

  • 直流反向耐压(Vr):200V
    器件可承受的最大反向直流电压,确保电源电压波动(如电网过压、负载反接)时不被击穿,提升电路安全性。
  • 反向漏电流(Ir):100μA(典型值,测试条件:200V反向电压)
    低漏电流保证反向截止时的可靠性,减少反向功耗(100μA×200V=0.02W),避免器件发热老化。

3. 浪涌与温度特性

  • 非重复峰值浪涌电流(Ifsm):120A
    器件可承受的单次瞬间大电流冲击(持续时间通常为8.3ms),能有效抵御开机浪涌、负载突变等突发大电流场景(如变频器开机时的80A浪涌)。
  • 工作结温范围:-55℃~+150℃
    宽温度范围适配极端环境(如车载-40℃低温启动、工业车间85℃高温工作),保证全温区性能稳定。

三、封装与物理特性

MBR20200DT采用TO-252(DPAK)表面贴装封装,该封装具有以下优势:

  1. 体积紧凑:尺寸约6.5mm×5.5mm×2.3mm,适合高密度PCB设计,节省电路空间;
  2. 散热效率高:底部带有散热焊盘,可直接与PCB铜箔连接,提升热传导能力(结温可降低10%~15%);
  3. 贴装兼容性强:符合SMT自动化生产要求,降低焊接成本与人工误差。

四、性能优势与适用领域

1. 核心性能优势

  • 低功耗:低正向压降减少导通损耗,提升电源效率(如200W电源效率可提升3%~5%);
  • 抗冲击:120A浪涌电流抵御突发大电流,减少电路故障;
  • 宽温稳定:-55℃~+150℃结温范围,适配极端环境;
  • 高可靠:低漏电流+200V耐压,长期工作无故障。

2. 主要适用领域

  • 开关电源:AC-DC/DC-DC转换的次级整流(如笔记本充电器、LED电源);
  • 车载电子:12V/24V系统整流(如车载充电器、LED大灯驱动、中控电源);
  • 工业控制:PLC、变频器、伺服驱动器的辅助电源;
  • 通信设备:基站电源、路由器、交换机的电源模块;
  • 消费电子:大功率家电(如空气净化器、加湿器)的电源整流。

五、典型应用示例

  1. 车载LED大灯驱动:
    12V车载系统中,LED大灯需5A~10A电流驱动,MBR20200DT的低Vf可将导通损耗控制在10A×0.92V=9.2W,宽温范围适配-40℃低温启动与85℃高温工作。
  2. 200W开关电源次级整流:
    电源输出12V/16A,MBR20200DT的20A整流电流满足需求,导通损耗仅16A×0.92V≈14.7W,效率比传统硅管提升约4%。
  3. 工业变频器辅助电源:
    变频器开机时存在80A浪涌,MBR20200DT的120A浪涌能力可有效抵御,宽温范围适配车间0℃~60℃环境。

该器件符合RoHS环保标准,通过了高低温循环、浪涌冲击等可靠性测试,是中功率整流电路的高性价比选择。

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