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HS3MB是扬杰科技推出的SMB封装快恢复二极管,核心电气参数匹配中功率高频应用需求,具体如下:
参数名称 规格值 测试条件 正向压降(Vf) 1.7V 正向电流If=3A 直流反向耐压(Vr) 1000V 反向漏电流Ir≤5μA 平均整流电流(Io) 3A 壳温Tc=25℃ 反向恢复时间(Trr) 75ns(典型值) 开关频率适配场景 反向漏电流(Ir) 5μA Vr=1000V、Ta=25℃ 非重复峰值浪涌电流(Ifsm) 100A 8.3ms正弦波半周期 工作结温范围(Tj) -55℃~+150℃ 长期可靠工作温度HS3MB采用SMB(DO-214AA)表面贴装封装,尺寸紧凑(约4.1mm×2.6mm×1.7mm),适配自动化贴装产线,可显著节省PCB空间,满足小型化电子设备的设计需求;封装采用环氧树脂灌封,具备良好的防潮、抗振动性能,适合工业级场景。
由国内功率器件龙头企业扬杰科技(YANGJIE) 生产,扬杰科技专注半导体器件研发20余年,产品覆盖二极管、MOSFET、IGBT等领域,HS3MB继承了其高一致性与可靠性优势,部分批次通过AEC-Q101汽车级认证,可满足严苛的工业/车载应用要求。
反向恢复时间仅75ns,远优于普通整流二极管(通常≥200ns),可有效减少开关过程中的反向恢复电流,降低电路功耗,适配几十kHz至几百kHz的高频开关应用(如DC-DC转换器)。
3A工作电流下正向压降仅1.7V,比传统快恢复二极管(如FR307)低0.1~0.2V,导通损耗减少约10%,适合低功耗设计(如LED驱动电源、笔记本适配器)。
非重复峰值浪涌电流达100A(8.3ms),可承受电源开机、负载突变等瞬间大电流冲击,避免器件损坏,提升电路抗干扰能力。
工作结温覆盖-55℃+150℃,满足工业级(-40℃+85℃)、车载级(-40℃~+125℃)的温度要求,可应用于户外储能、汽车辅助电源等场景。
HS3MB的参数匹配中功率高频电路需求,典型应用包括:
为保障HS3MB长期可靠工作,需注意以下要点:
HS3MB凭借高性价比、快恢复特性与宽温适应性,成为中功率高频电路的优选器件,可满足工业、消费电子、新能源等多领域的设计需求。
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