WMSIC Electronic Components

HXY MOSFET SS56

ModelSS56
PackageSMC
BrandHXY MOSFET
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HXY MOSFET SS56
Type
HXY MOSFET
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HXY MOSFET
Electronic Component
SS56
Electronic Component
1
Package
SMC
Electronic Component
Schottky Diode
Electronic Component
0.2g
Electronic Component
1
Electronic Component
BM0257677133
Current
5A
Diode
Electronic Component
Current(Ir)
100uA
(Vf)
700mV@5A
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.

SS56 肖特基二极管(SMC)产品概述

一、产品概述

SS56 为一款独立式肖特基整流二极管,适用于中低压大电流整流与续流场合。由华轩阳电子(HXY MOSFET)生产,封装为 SMC,具有低正向压降、较高的整流电流能力和良好的浪涌承受能力。该器件针对开关电源、逆变器、整流桥和汽车电子等需要高效率、低损耗的电力转换应用进行了优化。

主要标称参数(典型/额定):

  • 二极管配置:独立式
  • 正向压降 Vf:700 mV @ 5 A
  • 直流反向耐压 Vr:60 V
  • 额定整流电流:5 A(直流)
  • 反向电流 Ir:500 µA
  • 工作结温范围:-55℃ ~ +150℃
  • 非重复峰值浪涌电流 Ifsm:150 A
  • 封装:SMC
  • 品牌:HXY MOSFET(华轩阳电子)

二、关键电气参数说明

  1. 正向压降(Vf):在5 A 工作电流下典型正向压降约为0.7 V,显示出肖特基结构带来的低压降特性,有助于降低导通损耗,提升系统效率。
  2. 反向耐压(Vr):60 V 的反向耐压适用于多数12 V/24 V 区域电源与电池系统,兼顾安全裕量。
  3. 整流电流:额定直流整流电流为5 A,适合中等功率整流用途;需结合散热条件判断实际允许的持续电流。
  4. 反向电流(Ir):500 µA,为常温下的反向漏电水平,受温度影响较大,系统设计时需考虑在高温工况下漏电上升对效率与静态功耗的影响。
  5. 浪涌能力(Ifsm):150 A 的非重复峰值浪涌电流使器件能承受开机浪涌或短时高脉冲电流,但频繁或长时间冲击会损害器件,应予以限制。

三、产品特点与优势

  • 低正向压降:在高电流条件下仍能保持较低的压降,降低功耗与发热,对提高系统效率尤为重要。
  • 良好的浪涌承受能力:短时高峰值电流保护系统免于瞬态冲击损坏。
  • 宽温工作区间:-55℃ 至 +150℃ 的结温适用于工业级和汽车电子等严苛环境。
  • SMC 封装:较大的散热面与引脚面积,便于 PCB 散热设计和自动贴装工艺。
  • 制造与质量:华轩阳电子品牌生产,适合批量采购与替换使用。

四、典型应用场景

  • 开关电源(SMPS)次级整流:用于替代传统整流二极管以降低纹波与功耗。
  • 逆变器与电机驱动:作为续流二极管或反向隔离器件。
  • 汽车电源与电池管理系统:用于防反接、整流及续流保护(结合温度与浪涌评估)。
  • LED 驱动与充电器:用于高效率整流与保护电路。
  • 通用电源整流桥与整流模块。

五、封装、热管理与安装建议

  • 封装与散热:SMC 封装具有较好的热传导性能,但器件持续承载 5 A 时仍会产生显著热量,建议在 PCB 设计中采用大焊盘、热铜面与多层接地/电源铜皮,并在必要处配合过孔向背面散热层传导热量。
  • 布局建议:输入端至器件引脚应尽量短且宽,减少串联电阻与寄生电感,输出侧亦同理。对浪涌路径实施合理走线并添加合适的阻尼或滤波元件。
  • 焊接工艺:遵循制造商关于回流焊温度曲线及预热/冷却速度的推荐,避免超过最大结温以防器件参数退化;手工焊接应控制焊接时间与功率。
  • 热降额:在高环境温度下,器件需进行电流降额使用,具体降额曲线请参考完整数据手册或咨询供应商。

六、使用与保护注意事项

  • 反向电流随温度上升而增加,高温工况下需评估漏电对系统静态功耗与热平衡的影响。
  • 避免长时间承受接近 Ifsm 的浪涌电流;若存在反复浪涌工况,应选择更高浪涌能力的器件或在系统中加入浪涌限制元件(如 NTC、限流电阻或浪涌吸收器)。
  • 在并联使用多个二极管以提高电流能力时,需做好电流均流设计,防止单体过载。
  • 静电与机械应力:器件在搬运与焊接过程中应采取防静电与防机械冲击措施。

七、选型与采购建议

  • 在选型时,除关注标称 5 A 额定与 60 V 反向耐压外,应获取并参考完整数据手册中关于温度依赖特性、典型导通损耗、热阻(RθJA/RθJC)、峰值反向电流随温度变化曲线以及焊接条件。
  • 若应用存在更高的电流或更苛刻的浪涌环境,建议选择额定更高或并联配置并做好散热设计。
  • 采购时确认封装、批次、测试报告与质保政策,必要时索取样片进行实际电路验证。

总体而言,SS56(HXY MOSFET,SMC 封装)是一款适合中等功率整流与续流用途的肖特基二极管,凭借低压降与较强的浪涌能力,能在众多功率电子应用中提升效率并提供可靠保护。

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