WMSIC Electronic Components

MDD RS3MF

ModelRS3MF
PackageSMAF
BrandMDD
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
MDD RS3MF
Type
MDD
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MDD
Electronic Component
RS3MF
Electronic Component
1
Package
SMAF
Electronic Component
Fast Recovery / High-Efficiency Diode
Electronic Component
0.058g
Electronic Component
1
Electronic Component
BM0264866543
Current
3A
Diode
1
Current(Ir)
5uA@1kV
(Vf)
1.3V@3A
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.

RS3MF快恢复二极管产品概述

一、产品定位与基本信息

RS3MF是MDD品牌推出的独立式快恢复二极管,采用SMAF表面贴装封装,属于中功率高频整流器件。其设计核心是兼顾“低损耗、快开关速度、宽温度适应性”,适配开关电源、工业电源等对效率与可靠性要求较高的场景,同时以小型化封装满足电子产品高密度集成需求。

二、核心电气参数详解

RS3MF的参数围绕“高效、可靠、高频适配”设计,关键特性如下:

  1. 整流与浪涌能力:连续直流整流电流达3A,满足中功率电路的持续负载需求;非重复峰值浪涌电流(Ifsm)为80A,可承受开机瞬间、负载突变等突发大电流冲击,避免器件损坏。
  2. 正向压降与损耗:正向压降(Vf)仅1.3V@3A,远低于普通硅整流管(部分3A规格Vf可达1.5V以上),导通损耗显著降低(3A下每管损耗约3.9W),有助于提升电路整体效率。
  3. 耐压与反向特性:直流反向耐压(Vr)达1kV,可满足中压电路的反向阻断需求;反向电流(Ir)仅5uA@1kV,反向漏电流极小,既减少反向损耗,又提升了耐压可靠性。
  4. 开关与温度特性:反向恢复时间(Trr)为500ns,属于快恢复二极管范畴,支持100kHz以下开关频率(适配多数开关电源的工作频率);工作结温范围为-55℃~+150℃,覆盖工业、汽车等恶劣环境的温度需求,热稳定性优异。

三、封装与可靠性设计

RS3MF采用SMAF表面贴装封装,具备三大优势:

  • 小型化:封装尺寸紧凑(典型SMA封装约2.0×3.0mm),适合高密度PCB设计,符合电子产品小型化趋势;
  • 自动化适配:表面贴装结构支持回流焊与自动化贴装,降低生产难度与成本;
  • 热管理优化:封装设计利于热量传导,结合宽结温范围,可有效应对高负荷下的发热问题,延长器件寿命。

此外,低反向漏电流、高浪涌能力等参数设计,进一步保障了器件在长期使用中的可靠性,减少故障风险。

四、典型应用场景

RS3MF的参数特性使其适配多种中功率高频应用:

  1. 开关电源:作为高频整流管或续流管,500ns恢复时间可减少开关损耗,适用于LED驱动电源、小功率开关电源等;
  2. 工业电源:宽结温范围与1kV耐压,满足工业控制电源、变频器辅助电源等恶劣环境需求;
  3. 逆变器:用于太阳能逆变器、电动车充电器的整流/续流环节,承受中功率电流与高频开关;
  4. 汽车电子:部分车载辅助电源(如车载充电器)的整流电路,适配汽车级温度范围;
  5. UPS电源:在UPS整流/续流模块中,应对突发电流冲击(80A浪涌能力),保障电源稳定。

五、关键优势总结

RS3MF在同类器件中具备突出竞争力:

  1. 高效节能:低正向压降降低导通损耗,提升电路能效;
  2. 高频适配:500ns恢复时间支持高频工作,减少开关损耗;
  3. 高可靠性:1kV耐压+5uA低漏电流,宽结温+80A浪涌能力,适应复杂场景;
  4. 小型化设计:SMAF封装适合高密度PCB,降低系统体积与成本。

综上,RS3MF快恢复二极管凭借平衡的性能与可靠性,成为中功率高频整流应用的高性价比选择。

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