WMSIC Electronic Components

DOWO ES1JFL

ModelES1JFL
PackageSOD-123FL
BrandDOWO
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
DOWO ES1JFL
Type
DOWO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DOWO
Electronic Component
ES1JFL
Electronic Component
1
Package
SOD-123FL
Electronic Component
Fast Recovery / High-Efficiency Diode
Electronic Component
0.042g
Electronic Component
1
Electronic Component
BM0264866323
Current
1A
Diode
1
Current(Ir)
5uA@600V
(Vf)
1.7V@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.

ES1JFL 超快恢复整流二极管产品概述

一、产品定位与品牌背景

ES1JFL是DOWO(东沃)电子推出的一款超快恢复整流二极管,属于小功率高效整流器件范畴。该产品针对高频、高密度PCB设计场景优化,凭借低反向恢复时间、宽温工作范围及紧凑封装,成为开关电源、逆变器等领域的优选器件之一。DOWO作为国内专注功率半导体的厂商,其整流管系列以可靠性高、性价比优为特点,ES1JFL延续了品牌的工艺优势,适配消费电子、工业控制、汽车电子等多领域需求。

二、核心电气参数解析

ES1JFL的关键参数直接决定了其应用边界,具体解析如下:

  1. 正向压降(Vf):1.7V@1A
    正向导通时的电压损耗指标,在额定平均电流1A下,导通电压稳定在1.7V。虽略高于普通硅整流管,但因超快恢复工艺平衡了开关损耗与导通损耗,更适配高频工况下的效率需求。
  2. 直流反向耐压(Vr):600V
    器件可承受的最大反向直流电压,确保反向截止状态下不发生击穿,为12V/24V转220V等中等电压场景提供安全裕量。
  3. 平均整流电流(If(AV)):1A
    持续工作的最大允许平均电流,是小功率整流应用的核心参数,匹配LED驱动(10W~30W)、小型适配器等场景的电流需求。
  4. 反向漏电流(Ir):5μA@600V
    反向截止时的漏电流,5μA的低漏电流意味着截止状态下功耗极低,可有效降低待机损耗,提升系统整体效率。
  5. 反向恢复时间(Trr):35ns
    超快恢复的核心指标,远低于普通快恢复二极管(通常100ns以上),开关过程中能量损耗小,适配100kHz以上高频电路(如快充电源)。
  6. 工作结温范围:-55℃~+150℃
    宽温设计可适应极端环境,如汽车电子(-40℃~125℃)、户外设备等高低温场景,无需额外温度补偿电路。
  7. 非重复峰值浪涌电流(Ifsm):30A
    可承受瞬间大电流冲击(如开机浪涌、负载突变),抗浪涌能力是普通1A整流管的2~3倍,大幅提升系统可靠性。

三、封装与可靠性设计

ES1JFL采用SOD-123FL超小型表面贴装封装,具有以下优势:

  • 尺寸紧凑:封装尺寸约2.0mm×1.25mm×1.0mm,仅为传统DO-41封装的1/10,可大幅提升PCB布局密度,适配无线充、便携电源等小型化产品。
  • 焊接可靠性:兼容回流焊、波峰焊工艺,峰值焊接温度260℃(持续30秒内)无性能衰减,适合自动化生产流水线。
  • 热耗散优化:封装内部采用低热阻设计,配合PCB铜箔散热,可有效控制结温,避免因过热导致的反向漏电流增大、寿命缩短。

四、典型应用场景

结合参数特点,ES1JFL的核心应用场景包括:

  1. 开关电源次级整流:如LED驱动电源、手机充电器、笔记本适配器的次级整流电路,高频下低损耗提升电源效率(可使转换效率达90%以上)。
  2. 小型逆变器输出整流:车载逆变器(100W~500W)、太阳能微型逆变器的输出端,600V耐压满足12V/24V转220V的电压需求。
  3. 高频DC-DC转换器:笔记本电脑、平板的充电模块,Trr35ns适配100kHz~500kHz的开关频率,降低开关损耗。
  4. 工业控制辅助电路:PLC、传感器模块中的小信号整流,宽温范围适应工业现场(-20℃~85℃)的高低温波动。
  5. 汽车电子辅助电路:车载充电器、仪表盘背光驱动的整流部分,满足汽车级温度要求,可靠性符合ISO/TS 16949标准。

五、选型与使用注意事项

为确保器件稳定工作,需注意以下要点:

  1. 电压降额:实际工作反向电压建议不超过420V(80%降额),避免长期高压导致的老化加速。
  2. 电流降额:环境温度超过25℃时,平均电流需按结温降额(如100℃时,允许电流约0.6A)。
  3. 浪涌防护:虽有30A浪涌能力,但频繁大电流冲击需配合TVS管、压敏电阻等防护器件,避免器件损坏。
  4. 散热设计:若工作在高负载(如0.8A以上),PCB需预留至少2mm²的铜箔面积,或增加散热焊盘。
  5. 焊接规范:手工焊接温度不超过350℃,时间不超过5秒,避免过热损坏芯片内部结构。

综上,ES1JFL凭借超快恢复特性、宽温范围及紧凑封装,成为小功率高频整流场景的高性价比选择,可有效提升系统效率与可靠性。

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