WMSIC Electronic Components

TDD E1D

ModelE1D
PackageSOD-123FL
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 171392

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
TDD E1D
Type
TDD
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TDD
Electronic Component
E1D
Electronic Component
1
Package
SOD-123FL
Electronic Component
0.032g
Electronic Component
1
Electronic Component
BM0266040366
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.

E1D(台冠电子)整流二极管产品概述

一、产品定位与核心优势

E1D是台冠电子(TDD)推出的快恢复表面贴装整流二极管,针对中小功率高频整流场景优化设计,兼顾小封装、低功耗与高可靠性,适配消费电子、工业控制、汽车电子等多领域需求。其核心优势集中在短反向恢复时间、低正向压降、宽温适应性三大维度,同时SOD-123FL小型封装支持高密度PCB布局,满足便携设备轻量化设计需求。

二、关键电气参数详解

E1D的电气参数经过严格测试,核心指标可支撑多数实际应用场景:

  1. 正向压降(Vf):1.25V@1A
    低正向压降是降低整流功耗的关键,1A额定电流下仅1.25V的压降,相比普通整流二极管(如1N4007@1A约1.7V)可减少约26%的导通损耗,尤其适合长时间工作的电源电路,降低发热。
  2. 直流反向耐压(Vr):200V
    200V反向耐压覆盖中等电压等级(如12V/24V系统升压后、小家电220V整流降压前的隔离),满足多数非高压场景的反向阻断需求。
  3. 额定整流电流(Io):1A
    连续工作电流1A,支持典型小功率负载(如手机充电器5V/2A输出前的次级整流,实际负载电流可通过降额设计覆盖)。
  4. 反向电流(Ir):5μA
    反向漏电流仅5μA(典型值),反向阻断特性优异,可减少待机功耗,提升电路效率。
  5. 反向恢复时间(Trr):35ns
    35ns的快恢复时间是高频应用的核心,可避免开关过程中产生的反向浪涌,适配100kHz以上的开关电源(如LED驱动电源、快充适配器)。
  6. 工作结温范围:-55℃~+150℃
    宽结温覆盖工业级(-40℃+85℃)、汽车级(-40℃+125℃)及部分极端环境,长期稳定运行无性能衰减。
  7. 非重复峰值浪涌电流(Ifsm):30A
    30A浪涌能力(8.3ms半波)可应对开机瞬间、负载突变等大电流冲击,提升电路抗干扰性。

三、封装与可靠性设计

E1D采用SOD-123FL表面贴装封装,尺寸紧凑(典型值:长2.9mm×宽1.6mm×高1.0mm),适合高密度PCB布局,支持自动化贴装生产,降低人工成本。

可靠性方面,台冠电子通过优化芯片工艺与封装结构,实现:

  • 宽结温下的参数稳定性:-55℃~+150℃范围内,Vf、Ir等参数变化率≤10%;
  • 抗机械应力:封装采用耐高温塑料,可承受焊接过程中的热应力与运输中的机械振动;
  • 长期可靠性:符合AEC-Q101(汽车级)、IEC 61000-4-2(ESD防护)等标准,适合严苛场景。

四、典型应用场景

E1D的参数与封装特性适配多领域应用:

  1. 开关电源次级整流:如手机快充适配器(18W~65W)、笔记本电脑电源的次级同步整流辅助,短Trr减少开关损耗;
  2. 汽车电子辅助电路:如车载充电器、仪表盘电源模块,宽温与抗浪涌能力满足汽车环境需求;
  3. 小家电控制电路:如电磁炉、微波炉的整流滤波电路,200V耐压覆盖220V市电整流后的电压需求;
  4. 通信设备电源模块:如路由器、交换机的DC-DC转换电路,小封装支持设备小型化;
  5. LED驱动电源:如LED灯泡、面板灯的驱动电路,低Vf提升电源效率。

五、应用注意事项

为确保E1D长期稳定工作,需注意以下要点:

  1. 电压降额:反向耐压建议留20%30%余量,实际应用中反向电压不超过140V160V,避免过压击穿;
  2. 电流降额:连续工作电流建议不超过0.8A(额定值的80%),结合PCB散热设计(加宽焊盘、增加铜箔面积);
  3. 结温控制:实际工作结温尽量控制在125℃以下,可通过散热片(若空间允许)或热仿真优化;
  4. 焊接规范:采用回流焊工艺,峰值温度≤260℃,焊接时间≤30s,避免手工焊接时过热损坏芯片;
  5. ESD防护:SOD-123FL封装抗ESD能力(典型值:接触放电±8kV),但生产与使用中仍需避免静电损伤。

E1D作为台冠电子的快恢复整流二极管,以小封装、低功耗、高可靠性为核心,适配多场景需求,是中小功率高频整流电路的优选器件。

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