WMSIC Electronic Components

TDD M7F

ModelM7F
PackageSMAF
BrandTDD
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 Option 171381

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
TDD M7F
Type
TDD
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TDD
Electronic Component
M7F
Electronic Component
1
Package
SMAF
Electronic Component
0.06g
Electronic Component
1
Electronic Component
BM0266040365
Electronic Component
Electronic Component
Electronic Component
10000

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

M7F通用整流二极管产品概述

一、产品核心定位与基本特性

M7F是一款通用型表面贴装整流二极管,采用独立式单管封装设计,主要面向中小功率电源整流、电路续流等场景。其核心设计平衡了正向压降、反向耐压与电流承载能力,适配消费电子、家电、小型工业设备等常规电源系统的整流需求,是替代传统插件整流管的高性价比选型。

二、关键电气参数详解

M7F的核心参数明确了其应用边界与性能表现,关键指标如下:

  • 正向压降(Vf):1.1V@1A(工作电流下的导通压降,兼顾效率与热损耗,比快恢复二极管压降更低,适合连续工作场景);
  • 直流反向耐压(Vr):1kV(反向截止能力,可覆盖220V交流整流的反向峰值需求(约311V),余量充足,避免击穿风险);
  • 整流电流(IF):1A(连续工作电流,适配1A以内的中小功率电源设计,短时间过载能力符合行业标准);
  • 反向漏电流(Ir):5uA@1kV(反向截止时的漏电流,数值极低,确保电路在反向偏置下的稳定性,减少功耗);
  • 配置:独立式(单管封装,便于电路布局,可灵活组成整流桥或单独作为续流管使用)。

三、封装与物理特性

M7F采用SMAF表面贴装封装,具备以下优势:

  • 尺寸紧凑:贴片式设计节省PCB空间,适合小型化产品(如手机充电器、便携设备);
  • 贴装便捷:引脚布局适配回流焊工艺,可实现自动化批量生产,降低组装成本;
  • 散热性:封装结构利于热量传导,配合PCB铜箔可有效散发布工作时的热量。

四、典型应用场景

M7F的参数特性使其适用于以下常见场景:

  1. 消费电子电源:手机、平板、蓝牙耳机等适配器的整流桥支路(单管组成桥臂,实现AC-DC转换);
  2. LED驱动电源:小功率LED台灯、灯带的整流环节(将220V交流转换为直流,为LED供电);
  3. 家电控制电路:空调、洗衣机、微波炉的辅助电源整流(为控制板提供稳定直流电压);
  4. 小型工业设备:仪器仪表、传感器模块的电源整流(适配低功率需求,可靠性要求高)。

五、品牌与可靠性说明

M7F由TDD台冠电子生产,该品牌是国内专注于功率半导体器件的厂商,产品经过多项可靠性测试:

  • 高低温循环测试(-55℃~125℃):确保极端环境下的性能稳定;
  • 湿度老化测试:验证潮湿环境中的绝缘性与漏电流稳定性;
  • 反向耐压老化:出厂前经过1kV反向耐压筛选,降低早期失效概率。

六、选型优势总结

相比同类整流二极管,M7F具备以下选型优势:

  • 参数匹配性强:1kV耐压+1A电流覆盖90%以上常规220V整流场景,无需额外降额;
  • 效率与成本平衡:1.1V正向压降减少热损耗,同时价格低于肖特基二极管(肖特基耐压通常不足1kV);
  • 封装兼容性好:SMAF封装可与多数表面贴装PCB设计兼容,替换传统插件管无需大幅改板;
  • 可靠性验证充分:低漏电流与老化测试确保长期工作稳定性,适合批量应用。

M7F作为一款成熟的通用整流二极管,以高性价比、稳定性能适配中小功率电源设计,是消费电子、家电等领域的常规选型。

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