WMSIC Electronic Components

SHIKUES ES1BF

ModelES1BF
PackageSMAF
BrandSHIKUES
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+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SHIKUES ES1BF
Type
SHIKUES
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SHIKUES
Electronic Component
ES1BF
Electronic Component
1
Package
SMAF
Electronic Component
Fast Recovery / High-Efficiency Diode
Electronic Component
0.053g
Electronic Component
1
Electronic Component
BM0265659661
Current
1A
Diode
1
Current(Ir)
5uA@100V
(Vf)
1V@1A
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.

ES1BF快恢复二极管产品概述

一、产品定位与核心价值

ES1BF是SHIKUES(时科)推出的独立式快恢复整流二极管,针对高频开关电路、低损耗整流场景优化设计,核心围绕「快速开关、低发热、宽温可靠」三大需求打磨,是替代普通整流管、提升电路效率的高性价比选型。其参数匹配多数小型化、高频化电子设备的整流需求,覆盖消费电子、工业控制、通信等多领域。

二、关键参数与性能优势详解

ES1BF的核心参数直接指向快恢复二极管的关键性能,具体优势如下:

1. 正向特性:低损耗+足够电流能力

  • 正向压降Vf=1V@1A:远低于普通整流管(如1N4001的Vf≈0.7V@1A?不,1N4001是普通硅管,实际1A时Vf≈1.2V左右,ES1BF的1V更优),导通损耗减少约17%,可降低设备发热,简化散热设计;
  • 额定整流电流1A:满足多数小型整流场景(如5V/2A适配器的次级整流,单管或并联即可覆盖)。

2. 反向特性:低漏电流+安全耐压

  • 直流反向耐压Vr=100V:覆盖12V/24V系统等低压场景,避免击穿风险;
  • 反向漏电流Ir=5uA@100V:仅为普通整流管(mA级)的千分之一,反向损耗可忽略,提升电路整体效率。

3. 开关特性:短恢复时间适配高频

  • 反向恢复时间Trr=35ns:这是快恢复二极管的核心指标——短恢复时间意味着开关过程中能量损耗少,适合10kHz以上高频应用(如开关电源、逆变器),避免因恢复慢导致的浪涌损耗。

4. 温宽特性:工业级可靠性

  • 工作结温Tj=-55℃~+150℃:覆盖北方户外(-40℃)、车载发动机舱(+120℃)等 harsh 环境,长期工作无性能衰减。

三、SMAF封装的设计特点

ES1BF采用SMAF表面贴装封装,具备三大实用优势:

  • 体积紧凑:尺寸约2.6×5.0×1.5mm,适合便携设备(如无线充、智能手表充电模块)的小型化设计;
  • 散热可靠:封装材料导热性良好,结合低正向压降,可快速散发布尔热效应产生的热量;
  • 焊接兼容:支持回流焊工艺,焊点牢固,抗振动能力满足工业/车载场景要求。

四、典型应用场景

ES1BF的参数特性使其适配多种高频/低压整流场景:

  1. 开关电源次级整流:手机充电器、笔记本适配器的高频变压器次级,Trr短可减少开关损耗,转换效率提升1%-2%;
  2. 小型逆变器:太阳能微型逆变器(100W-500W)、电动车DC-DC转换器的逆变后整流,宽温范围适应户外/车载环境;
  3. 工业控制电路:PLC、传感器模块的电源整流,-55℃低温满足北方户外设备需求;
  4. 通信设备:基站小功率模块、路由器电源的高频整流,低漏电流减少待机功耗;
  5. 消费电子:智能音箱、无线充的辅助电源整流,SMAF封装节省PCB空间。

五、选型注意事项

  1. 功率降额:实际应用建议将电流降额至70%(≤0.7A),结温降额至125℃以内,延长寿命;
  2. 散热设计:满负载1A时,需保证PCB焊盘面积≥10mm²,避免局部过热;
  3. 耐压裕量:实际反向电压应≤80V(留20%裕量),避免击穿风险。

总结

ES1BF是一款针对高频低压整流的高性价比快恢复二极管,SHIKUES品牌的工业级可靠性结合低损耗、短恢复时间、宽温范围等特性,可满足多领域需求,是替代传统1N400x系列的理想选型。

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