WMSIC Electronic Components

KUU S8050

ModelS8050
PackageSOT-23
BrandKUU
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
KUU S8050
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
S8050
Electronic Component
1
Package
SOT-23
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.039g
Electronic Component
1
Electronic Component
BM0231142804
Transistor Type
NPN
Power Dissipation(Pd)
300mW
Electronic Component
Electronic Component
Electronic Component
3000
Collector Current(Ic)
500mA
Current (h FE)
80

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

S8050(KUU)SOT-23 小功率 NPN 三极管 — 产品概述

一、产品概览

S8050(KUU)为SOT-23封装的小功率NPN硅双极晶体管,额定集电极电流最高可达500mA,集电极-发射极击穿电压Vceo=25V,最大耗散功率Pd=300mW。器件适合用于低压、中小电流的开关与放大场合,体积小、成本低,适合集成化PCB设计与表面贴装生产线。

二、主要参数(概要)

  • 类型:NPN BJT(硅)
  • 直流电流增益 hFE:≈80(测量条件 50mA、VCE=1V)
  • 最大集电极电流 Ic(max):500mA
  • 集电极-发射极击穿电压 Vceo:25V
  • 集电极截止电流 Icbo:≈1μA(典型小漏电流)
  • 耗散功率 Pd:300mW(在额定环境温度下)
  • 发射极-基极击穿电压 Vebo:5V
  • 饱和电压 VCE(sat):约500mV(以datasheet条件为准)
  • 封装:SOT-23
  • 品牌:KUU

三、特性与应用亮点

  • 适用于低电压(≤25V)系统中的低到中等电流开关,例如小型继电器驱动、发光二极管阵列驱动及功率较低的电机驱动前级。
  • 可用作小信号放大元件,在线性区提供良好增益(hFE≈80在指定工作点)。
  • SOT-23表面贴装,利于自动贴片与体积受限的设计。
  • 低漏电流(Icbo≈1μA)适合电池供电和待机电路,减小静态损耗。

四、使用建议与设计注意事项

  • 工作边界:实际设计时应保证VCE<25V、Ic<500mA,并考虑Pd=300mW的限制;在高温环境下需对耗散功率进行降额处理。
  • 散热:SOT-23封装散热能力有限,建议在PCB上增加散热铜箔或热沉区域以扩展功率余量,避免长时间在Pd极限附近工作。
  • 饱和驱动设计:若用作开关并要求饱和导通,需提供足够基极电流。设计公式:Rb=(Vdrive−Vbe)/Ib,Ib≈Ic/βsat(βsat通常远小于hFE,常取10~20作保守估计)。例如在5V驱动、目标Ic=100mA、取βsat=10、Vbe≈0.7V时,Rb≈(5−0.7)/(10mA)≈430Ω。
  • 发射极-基极反向电压限制:Vebo=5V,避免在基极施加超过该值的反向电压以防损伤。
  • 漏电流与温漂:Icbo随温度上升而增加,设计需考虑在高温或长时间待机状态下的漏电影响。

五、封装与引脚说明

  • 封装:SOT-23(小尺寸三引脚表面贴装)。典型引脚排列(不同厂商可能略异,使用前请以KUU提供的封装图或Datasheet为准):
    • 引脚1:基极(B)
    • 引脚2:发射极(E)
    • 引脚3:集电极(C)
  • 建议在PCB布局时靠近器件增加热铜箔,并为焊盘设计合适的锡膏口线以保证可靠焊接与散热。

六、可靠性与库存与使用注意

  • 存储与贴装:按通用半导体规范防潮包装(MSL等级参厂商说明),在回流焊时按推荐温度曲线进行,以防封装或键合线损伤。
  • ESD防护:作为小信号晶体管,内部结点对静电敏感,建议在领用与装配时采取静电防护措施。
  • 质量验证:批量使用前建议获取厂商完整Datasheet并进行样件测试(放大系数、饱和特性、漏电流与热特性)以验证与自身电路的匹配。

总结:S8050(KUU)SOT-23为一款性能均衡的低压中电流NPN三极管,适合各类消费电子、通信与工业控制中的低功耗开关与小信号放大应用。选型与设计请以实际工作点、散热条件与厂商Datasheet为准。

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