WMSIC Electronic Components

JUXING ES2G

ModelES2G
PackageDO-214AC(SMA)
BrandJUXING
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
JUXING ES2G
Type
JUXING
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JUXING
Electronic Component
ES2G
Electronic Component
1
Package
DO-214AC(SMA)
Electronic Component
Fast Recovery / High-Efficiency Diode
Electronic Component
0.11g
Electronic Component
1
Electronic Component
BM0265601740
Current
2A
Current(Ir)
5uA
(Vf)
1.25V@2A
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component
Electronic Component
5000
Voltage Rating(Vr)
400V

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

ES2G快恢复二极管产品概述

ES2G是钜兴(JUXING)品牌推出的快恢复/高效率表面贴装二极管,采用SMA(DO-214AC)封装,专为高频、低损耗、中等功率的整流与续流场景设计,兼顾电气性能、可靠性与成本优势,广泛覆盖消费电子、工业电源、车载电子等领域。

一、产品核心定位与应用场景

ES2G属于开关型快恢复二极管,核心优势在于「短反向恢复时间+低正向压降」的平衡设计,可有效降低高频工作时的开关损耗与电磁干扰(EMI)。其主要应用场景包括:

  • 中小功率开关电源(如反激式电源的输出整流、DC-DC转换器的续流);
  • LED恒流/恒压驱动电源的整流与续流;
  • 微型逆变器、变频器的直流侧续流或交流侧整流;
  • 车载电子(如车载充电器、DC-DC转换器);
  • 小型家电(电磁炉、微波炉的电源模块)。

二、关键电气参数解析

ES2G的参数经过场景化优化,核心参数及实际意义如下:

  1. 正向压降(Vf):1.25V(@2A直流电流)
    低正向压降是高效率的核心,导通损耗仅约2.5W(P=Vf×If),可减少电源模块发热,提升系统能效。
  2. 直流反向耐压(Vr):400V
    满足中高压应用需求,覆盖12V/24V系统的升压电路、反激电源高压侧,无需过度降额。
  3. 持续整流电流(If):2A(直流)
    支持中等功率负载的持续工作,适配12V/2A LED灯串、5V/2A手机充电器等场景。
  4. 反向漏电流(Ir):5μA(典型值)
    反向截止时漏电流极小,减少待机损耗,提升电源待机效率。
  5. 反向恢复时间(Trr):35ns
    快恢复特性是高频应用的关键,可避免开关过程中反向电流过大导致的损耗,适配kHz级(甚至MHz级)开关频率。
  6. 非重复峰值浪涌电流(Ifsm):50A
    抗冲击能力强,可承受开机瞬间、负载突变或短路时的大电流冲击,提升产品可靠性。

三、物理特性与封装优势

ES2G采用SMA(DO-214AC)表面贴装封装,具备以下实用优势:

  • 体积紧凑:封装尺寸约2.7mm×1.7mm×1.1mm,适合高密度PCB布局,节省产品内部空间;
  • 散热适配:封装热阻合理,结合150℃最高工作结温,多数场景无需额外复杂散热设计;
  • 自动化生产:表面贴装封装适配SMT生产线,提高生产效率,降低制造成本。

四、可靠性与环境适应性

ES2G的可靠性设计针对实际场景优化:

  • 宽温范围:工作结温覆盖-55℃+150℃,可适应工业级(-40℃85℃)、车载(-40℃~125℃)等极端温度环境;
  • 长期稳定性:低漏电流与低正向压降的一致性好,长期工作无明显参数漂移,适合批量应用;
  • 抗浪涌冗余:50A浪涌电流能力远高于常规2A二极管,可应对LED驱动开机浪涌、电源瞬态冲击等突发情况。

五、典型应用案例

以LED恒流驱动电源为例,ES2G可作为输出续流二极管:

  • 开关管关断时,快速恢复反向截止,避免续流电流过大;
  • 低Vf(1.25V@2A)减少续流损耗,提升LED电源效率约2%~3%;
  • SMA封装适配小体积驱动板,满足LED灯具的紧凑设计需求。

又如车载充电器(12V转5V/2A):

  • 宽温范围适配车载环境高低温变化;
  • 400V耐压应对输入电压波动(如12V系统瞬态高压);
  • 50A浪涌能力抵御开机大电流冲击,延长产品寿命。

ES2G凭借平衡的电气性能、可靠的封装与宽温适应性,成为中小功率高频应用的高性价比选择,可替代同类进口快恢复二极管,降低供应链成本。

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