WMSIC Electronic Components

YANGJIE SS5U100

ModelSS5U100
PackageTO-277
BrandYANGJIE
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

13 specifications

Core information

Product name
YANGJIE SS5U100
Type
TO-277
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
SS5U100
Electronic Component
1
Package
TO-277
Electronic Component
0.178g
Electronic Component
1
Electronic Component
BM0230814837
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.

SS5U100 产品概述

SS5U100 是扬杰(YANGJIE)推出的一款 100V、5A 的肖特基整流二极管,采用 TO-277 封装,适用于需要低正向压降与快速整流响应的中功率场合。该器件在 5A 工作电流条件下正向压降仅约 0.54V,具有较低的导通损耗和良好的浪涌承受能力,是开关电源、整流、续流和反接保护等应用的理想选择。

① 主要特性

  • 器件类型:肖特基整流二极管(独立式)
  • 额定电压:直流反向耐压 Vr = 100V
  • 额定电流:整流电流 If = 5A(连续)
  • 正向压降:Vf = 0.54V @ If = 5A
  • 反向电流:Ir = 200 μA @ Vr = 100V
  • 非重复峰值浪涌电流:Ifsm = 120A(单次冲击)
  • 工作结温范围:Tj = −55℃ ~ +150℃
  • 封装:TO-277(便于散热和固定安装)
  • 品牌:YANGJIE(扬杰)

② 电气性能与优势

SS5U100 的正向压降较低,在中高电流下能有效降低导通损耗,从而提升系统效率并减小热耗。肖特基结构还带来极短的恢复时间,适合高频开关场合。100V 的反向耐压使其可在较高电压的直流母线或反向抑制电路中使用。反向漏电流在 100V 时为 200 μA,需注意在高温环境下漏电流会随温度上升而增加。

③ 封装与热管理

TO-277 封装便于与散热片或金属底板良好热耦合,实际散热性能强烈依赖于安装方式与冷却条件。建议在长期 5A 工作或高频率切换情况下:

  • 使用合适的散热片或将器件固接至有良好散热能力的金属基板;
  • 保证足够的 PCB 铜箔面积(散热层)和通孔热过孔;
  • 在设计时进行结温估算并留有裕量,防止 Tj 超出 150℃。

④ 应用场景

  • 开关电源(整流、续流二极管)
  • 电池充放电与反接保护
  • 直流-直流转换器、汽车电子电源
  • 太阳能逆变器的低压侧整流
  • 电机驱动的自由轮二极管(低压侧)

⑤ 使用建议与注意事项

  • 浪涌能力:Ifsm = 120A 为非重复峰值浪涌,适用于短时冲击(例如开机浪涌),不建议作为反复的脉冲承载,应设计合适的浪涌限制或软启动机制;
  • 温度影响:反向漏电流随温度显著上升,设计时应考虑在高温条件下的漏电与功耗增加;
  • 并联使用:若需要超过单片 5A 的连续电流,应采取均流措施(串入小阻值电阻或采用热耦合并联、选择匹配器件),避免单片过载;
  • PCB 布局:尽量缩短高电流回路长度,增大焊盘和铜箔面积以降低寄生电阻与温升;
  • 反向电压裕度:在系统中应预留适当的电压裕度,避免长期在 Vr 附近工作导致漏电与加速老化。

⑥ 可靠性与选型参考

SS5U100 的工作结温范围宽(−55℃ ~ +150℃),适应工业级环境。选型时除了电压、电流与封装外,应关注实际工况的峰值电流、散热条件与寿命要求。对于关键应用,建议参考完整数据手册以确认短时脉冲曲线、热阻参数(RθJC / RθJA)及包装机械尺寸,并在必要时向供应商获取可靠性测试或批次一致性信息。

如需进一步的电气特性曲线、热阻数据或封装图纸,可提供型号需求,我可以帮您整理常见应用电路和热设计建议。

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