WMSIC Electronic Components

WILLSEMI WPM3012-3/TR WPM3012

ModelWPM3012-3/TR
PackageSOT-23
BrandWILLSEMI
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

19 specifications

Core information

Product name
WILLSEMI WPM3012-3 / TR
Type
WILLSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
WILLSEMI
Electronic Component
WPM3012-3/TR
Electronic Component
1
Package
SOT-23
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.036g
Electronic Component
1
Electronic Component
BM0227298436
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
900mW
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
30V

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

WPM3012-3/TR 产品概述

WPM3012-3/TR 是 WILLSEMI(韦尔)推出的一款高性能 P 沟道 MOSFET,采用 SOT-23 小封装,面向便携设备与电源管理场景的高侧开关与反向保护等应用。该器件在宽温区间内稳定工作(-55℃ ~ +150℃),在 30V 耐压等级下提供较低的导通电阻与良好的开关特性,适合对体积与成本敏感的电源设计。

一、主要性能特征

  • 类型:P 沟道 MOSFET
  • 漏源电压 Vdss:30V
  • 连续漏极电流 Id:3.1A
  • 导通电阻 RDS(on):80mΩ @ Vgs = 4.5V
  • 阈值电压 Vgs(th):2.5V(Id=250µA)
  • 总栅极电荷 Qg:1.55nC(测量基准 Vgs=10V)
  • 输入电容 Ciss:654pF;输出电容 Coss:67pF;反向传输电容 Crss:56pF
  • 功耗耗散 Pd:900mW(SOT-23 封装)
  • 工作温度:-55℃ ~ +150℃
  • 封装:SOT-23;包装形式标识 /TR 表示卷带(Tape & Reel)

二、典型应用场景

  • 高侧负载开关与电源切换(便携设备、移动电源)
  • 电池反接保护与功率路由
  • DC-DC 转换器中的功率开关(配合驱动电路)
  • 小型电机驱动与负载管理模块
  • 耐压在 30V 范围内的一般功率控制应用

三、电气与开关性能要点

  • 在 Vgs = 4.5V 驱动下 RDS(on) 为 80mΩ,适用于低压门极驱动场景,能在有限驱动电压下提供较低的导通损耗。
  • Qg 总栅极电荷为 1.55nC(10V 基准),表示在较高开关频率时门极驱动能耗相对较低,有利于降低驱动功耗与提升开关效率。
  • Ciss、Coss 与 Crss 值影响开关过渡过程与寄生耦合,设计时需考虑驱动电阻和布局,避免因 Miller 效应引起的振铃或误触发。

四、封装与热管理

  • SOT-23 小封装体积小巧,适合高密度布局,但热阻较大。器件 Pd 为 900mW,长时间大电流工作时须通过合理的 PCB 铜箔面积和散热过孔来分散热量,避免封装过热导致性能退化或失效。
  • 在评估工作点时,请结合实际环境温度与 PCB 散热条件计算结温,确保在额定功耗下器件运行安全。

五、设计与选型建议

  • 若系统门极驱动电压为 4.5V 左右,WPM3012-3/TR 能在较低驱动下提供满意的导通性能;若可提供更高驱动(例如 10V),可获得更快的开关速度(Qg 参照值基于 10V)。
  • 对于频繁开关或高 dv/dt 应用,建议使用合适的门极阻值与回路去耦,必要时加 RC 抑制或 TVS 防护以提升可靠性。
  • 在高电流短时冲击或持续大电流场景下,请验证实际结温与功率耗散,必要时选用散热更好的封装或并联器件。

六、储存与可靠性建议

  • 产品为 MOSFET 器件,具备典型的静电敏感性(ESD)。在生产与测试过程中应采取静电防护措施(佩戴接地手环、使用防静电台面与袋装)。
  • 建议遵循厂商推荐的湿敏等级与回流焊工艺规范以避免封装内潮气引发失效。

七、订购信息与替代建议

  • 型号示例:WPM3012-3/TR,中间的 /TR 表示卷带包装,便于 SMT 自动贴片。
  • 若需更高电流或更低 RDS(on) 的 P 沟道方案,可在 WILLSEMI 或其它供应商产品线中查找 30V 以上额定、或大封装(SOT-23 以外)的替代件以匹配热性能与导通需求。

总结:WPM3012-3/TR 在 30V 等级下以 SOT-23 小体积提供了良好的 P 沟道开关性能,适合低压门极驱动的高侧开关与电源管理应用。设计时需关注封装热管理、门极驱动与开关回路布局,以充分发挥其低导通阻抗与开关效率优势。

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