WMSIC Electronic Components

JUXING EM520

ModelEM520
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+

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Technical data

Product details

19 specifications

Core information

Product name
JUXING EM520
Type
JUXING
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JUXING
Electronic Component
EM520
Electronic Component
1
Package
DO-214AC(SMA)
Electronic Component
General Purpose Diode
Electronic Component
0.1g
Electronic Component
1
Electronic Component
BM0265602198
Current
1A
Diode
1
Current(Ir)
5uA
(Vf)
1.1V@1A
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component
Electronic Component
5000

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

EM520快恢复/高效率二极管产品概述

一、产品定位与核心价值

EM520是JUXING(钜兴)推出的一款中高压中小功率快恢复/高效率二极管,核心定位为解决“高频整流损耗高、高压可靠性不足、环境适应性弱”三大行业痛点。区别于普通硅整流管,其快恢复特性适配100kHz以上开关电路,低正向压降与低反向漏电流可将系统效率提升2%-3%,是开关电源、LED驱动等领域的高性价比选择。

二、关键性能参数详解

EM520的参数针对实际应用场景优化,核心指标及实际意义如下:

  1. 正向压降(Vf):1.1V@1A
    远低于普通硅管(1.2-1.4V@1A),导通损耗显著降低——1A持续电流下单管功率仅1.1W,减少电源内部发热,避免因过热导致的效率下降或器件老化。
  2. 直流反向耐压(Vr):2kV
    满足中高压应用需求(如AC220V整流后峰值电压约311V,预留5倍以上裕量),可避免高压击穿风险,适配隔离电源、高压LED驱动等场景。
  3. 额定整流电流(If):1A
    持续工作电流能力,结合150℃最高结温,可稳定支撑10-50W中小功率负载(如桌面电源、小功率LED模组)。
  4. 反向漏电流(Ir):5uA@2kV
    反向截止时漏电流极小,轻载或待机场景下可减少额外损耗,尤其适合对效率要求高的智能电源产品。
  5. 非重复峰值浪涌电流(Ifsm):30A
    可承受开机瞬间电容充电浪涌、电网波动冲击,避免器件损坏,提升系统抗干扰能力。
  6. 工作结温范围:-55℃~+150℃
    宽温设计适配工业级环境(如户外通信设备、车载电源),极端温度下仍保持参数稳定。

三、封装与可靠性设计

EM520采用DO-214AC(SMA)表面贴装封装,具备三大设计优势:

  • 体积紧凑:尺寸仅2.7×3.5×1.5mm,适合高密度PCB布局,满足小型化电源(如手机充电器、智能灯驱动)的设计需求;
  • 散热适配:封装热阻约25℃/W,结合PCB铜箔优化可有效散出1A电流产生的热量,避免结温过高;
  • 环境抗性:采用耐高温环氧树脂封装,抗机械应力、湿度腐蚀能力强,长期工作可靠性达工业级标准。

四、典型应用场景

EM520的参数特性使其广泛适配以下场景:

  1. 开关电源:次级整流环节(如AC-DC电源输出整流),快恢复特性适配100kHz以上开关频率,低损耗提升电源效率(可从85%提升至87%-88%);
  2. LED驱动电源:高压输入整流(AC220V转DC高压),2kV耐压满足隔离驱动要求,1A电流支撑5-30W LED模组,低发热延长电源寿命;
  3. 工业控制电源:PLC、伺服驱动器辅助电源,宽温设计应对车间-20℃~+60℃环境,浪涌能力抵御电网波动;
  4. 太阳能微型逆变器:低压端整流环节,快恢复特性适配MPPT算法高频切换,低损耗提升发电效率(约1%-2%)。

五、品牌与品质保障

JUXING(钜兴)作为国内专注二极管研发的厂商,EM520遵循严格品质管控:

  • 原材料选用高纯度单晶硅,确保参数一致性(Vf波动≤0.05V);
  • 生产过程通过自动化检测,每批次产品符合RoHS、REACH环保标准;
  • 可靠性测试:通过1000小时高温老化、1000次浪涌冲击测试,满足工业级应用要求。

EM520以“低损耗+高可靠性+宽适应性”的综合优势,成为中小功率整流场景的优选器件,可有效降低系统设计成本与维护成本。

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