WMSIC Electronic Components

MDD MDD50N06D

ModelMDD50N06D
PackageTO-252
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MDD MDD50N06D
Type
MDD
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MDD
Electronic Component
MDD50N06D
Electronic Component
1
Package
TO-252
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.45g
Electronic Component
1
Electronic Component
BM0258755331
Power Dissipation(Pd)
62.5W
Gate Voltage(Vgs)
±20V
Electronic Component
Electronic Component
Electronic Component
2500
Voltage(Vdss)
60V
Capacitor(Ciss)
1.889nF

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

MDD50N06D 产品概述

一、主要参数与特点

MDD50N06D 是一颗 N 沟道增强型功率 MOSFET,面向中高电流开关应用。其主要电气参数如下:

  • 漏源耐压 Vdss:60V
  • 连续漏极电流 Id:50A(封装热限与散热条件相关)
  • 导通电阻 RDS(on):17mΩ @ VGS=10V,测试电流 20A
  • 耗散功率 Pd:62.5W(典型封装、规定环境下的额定值,应按实际散热条件计算)
  • 门阈电压 VGS(th):2.5V(典型值)
  • 输入电容 Ciss:1.889nF @ 30V
  • 反向传输电容 Crss:92pF @ 30V
  • 封装:TO-252(DPAK),表面贴装,便于热沉和 PCB 散热设计
    品牌:MDD

二、显著优势

  • 低导通电阻(17mΩ)在 10V 驱动下可显著降低导通损耗,适合大电流场合;
  • 60V 耐压满足 12V/24V/48V 等常见电源轨和倒蓄电条件;
  • TO-252 封装兼顾安装灵活性与热性能,适合自动贴装工艺与中功率密度应用。

三、典型应用场景

  • DC-DC 降压变换器(同步整流、开关 MOS)
  • 电机驱动与 H 桥单元(中小功率电机)
  • 电源开关、负载切换、逆变器前端开关
  • 电池管理与保护电路(需考虑脉冲、浪涌能力)
  • 工业控制与车载电子(在符合温度与浪涌标准下)

四、驱动与开关注意事项

  • 为达到标注 RDS(on),建议采用 VGS ≈ 10V 的门极驱动;门阈 VGS(th)≈2.5V 表明在 5V 逻辑下可能不能完全导通,非严格逻辑电平 MOSFET。
  • Ciss 接近 1.9nF,门极电荷较大,需考虑驱动器的峰值电流能力与驱动速度,适当增加门极电阻以抑制振铃和过冲。
  • Crss=92pF 会导致米勒效应,快速 dv/dt 时易产生意外导通或延长开关转换时间,需在驱动与栅极回路中采取抑制措施。

五、热管理与布局建议

  • TO-252 封装需在 PCB 上提供大面积铜箔与热孔,通过焊盘与底层散热层快速导热。
  • 计算导通损耗时应基于实际工作电流与温度条件:Pcond ≈ I^2·RDS(on)(注意 RDS 随结温升上升)。示例:在 20A 时导通损耗约 6.8W(20^2·0.017)。
  • 对于高占空比或持续高电流应用,建议外接散热片或加强 PCB 散热设计,并参考器件完整数据手册中的 RthJC/RthJA 指标进行热仿真或预留安全裕量。

六、选型与可靠性提示

  • RDS(on) 标注是在特定测试条件下测得(VGS=10V,ID=20A),在更高电流或较高结温下性能会下降,请按实际工况留出裕量;
  • 如需在低电压驱动(如 5V)下使用,应验证是否满足导通性能,或选用逻辑电平 MOSFET;
  • 关注 VGS 最大额定值、脉冲功率、SOA、浪涌电流能力等参数并参考完整数据手册以保证长期可靠性。

总结:MDD50N06D 在 60V 电压等级与中大电流场合具有较好的导通损耗优势,配合合理的门极驱动与散热设计,可用于开关电源、驱动与电源管理等多种应用。采购与最终设计前请参考厂方完整数据手册与器件可靠性资料。

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