WMSIC Electronic Components

WINSOK WSF45P10

ModelWSF45P10
PackageTO-252
BrandWINSOK
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 Electronic Component

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
WINSOK WSF45P10
Type
WINSOK
Minimum package
2500 卷

Technical parameters

Electronic Component
WINSOK
Electronic Component
WSF45P10
Electronic Component
1
Package
TO-252
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.475g
Electronic Component
1
Electronic Component
BM0259041050
Power Dissipation(Pd)
136W
Electronic Component
Electronic Component
Electronic Component
2500
Voltage(Vdss)
100V
Capacitor(Ciss)
5.72nF
Output Capacitor(Coss)
790pF

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

WSF45P10 产品概述

WSF45P10 是 WINSOK(微硕)推出的一款 P 沟道功率 MOSFET,面向高压高效的开关与保护应用。器件以 100V 耐压和较低导通电阻为亮点,配合 TO-252(DPAK)封装,适合需要较高功率密度与可靠散热的电源管理、电机驱动及高侧开关场合。

一、主要参数(关键规格)

  • 器件类型:P 沟道 MOSFET
  • 漏源电压 Vdss:100V
  • 导通电阻 RDS(on):58.5 mΩ(Vgs = -4.5V,Id = 20A)
  • 连续漏极电流 Id:40A(资料中也常见标注 46A 的瞬态/峰值能力,实际受散热与脉冲条件影响)
  • 耗散功率 Pd:136W(取决于封装与 PCB 散热条件)
  • 门极电荷 Qg:125 nC(Vgs = 10V)
  • 阈值电压 Vgs(th):约 3V(Id = 250 μA)
  • 输入电容 Ciss:5.72 nF
  • 输出电容 Coss:790 pF
  • 反向传输电容 Crss:450 pF
  • 封装:TO-252(DPAK)
  • 品牌:WINSOK(微硕)
  • 数量:1 个 P 沟道

二、器件特点与优势

  • 高耐压与较低导通电阻:100V 的耐压使其可用于中高压轨,58.5 mΩ 在 Vgs = 4.5V 下提供较低的 conduction 损耗,适合需要高效率的功率路径。
  • 大功率耗散能力:136W 的标称耗散(在理想散热条件下)配合 TO-252 封装,有利于中功率级应用。
  • 门极电荷相对较大:125 nC(10V)提示在高频开关时需注意驱动能量及驱动器能力选择。
  • P 沟道特性:便于实现高侧开关、反向保护及简化电路(在某些场合可免专用高侧驱动器)。

三、典型应用场景

  • 高侧负载开关与电源选择(battery reverse/load switching)
  • 交流/直流电源管理与保护电路(软启动、过流或反向保护)
  • 电机控制、步进驱动及继电器替代场合(需评估开关损耗)
  • 同步整流、降压/升压拓扑中的高侧开关(视频率与损耗限制)
  • 汽车电子、工业电源等需要 100V 余量的场景(需确认温度与浪涌能力)

四、设计与使用建议

  • 门极驱动:由于 Qg = 125 nC 且 Vgs(th) ≈ 3V,建议使用足够电流的门极驱动器以实现快速切换,减少开关损耗与热应力。驱动电压按器件极性考虑,一般 P 沟道在高侧时需将栅极推向源电位的正方向以关断,或更负以导通(注意系统参考)。
  • 开关速度控制:Crss(450 pF)会产生 Miller 效应,在快速切换或高 dV/dt 条件下需配合阻尼或斜率控制以避免误触发与过冲。
  • 热管理:TO-252 通过 PCB 散热,需在 PCB 上设计足够的铜面积、过孔及散热铺铜,必要时配合底部散热垫或散热器以保证 Pd 能充分释放。实际可承受功率远低于标称 Pd,取决于环境温度与热阻。
  • PCB 布局:缩短漏极/源与负载之间连接,扩大散热铜箔,门极走线尽量短且加退耦电容,减小寄生电感与环路。

五、封装与可靠性注意

  • TO-252 的机械强度与焊接工艺易于批量生产,但要注意回流曲线与焊接热应力。
  • 在高温环境或高功率工作点,务必做热仿真与实测温升,避免长期超额负载导致热失效。
  • 对于脉冲或浪涌电流,应参考器件的脉冲额定与 SOA 曲线(若有),并在电路中加入限流或吸能保护。

六、结论

WSF45P10 以 100V 耐压、较低 RDS(on) 和 TO-252 封装为主要卖点,适合中高压高侧开关与电源管理场景。设计时需关注较大的门极电荷与寄生电容带来的驱动与开关损耗,充分优化散热与 PCB 布局以获得可靠的长期运行表现。若需用于高频或极端热应力环境,建议做更详细的热与开关损耗评估,并考虑是否选用更低 Qg 或更低 RDS(on) 的替代型号。

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