WMSIC Electronic Components

WINSOK WST2078

ModelWST2078
PackageSOT-23-6L
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
WINSOK WST2078
Type
WINSOK
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
WINSOK
Electronic Component
WST2078
Electronic Component
1
Package
SOT-23-6L
Electronic Component
1 N +1 P
Type
N +P
Electronic Component
MOSFET
Electronic Component
0.048g
Electronic Component
1
Electronic Component
BM0264549093
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.4W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V

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

WST2078(微硕)N/P沟道互补MOSFET产品概述

一、产品基本信息

WST2078是WINSOK(微硕) 推出的N沟道+P沟道互补型场效应管(MOSFET),采用SOT-23-6L紧凑型表面贴装封装,内部集成1个N沟道MOSFET和1个P沟道MOSFET,专为低压、中电流场景下的开关与驱动设计,兼顾小型化与性能需求,是消费电子、小型电源等领域的高性价比器件。

二、核心电性能参数解析

该产品的关键参数精准匹配低压应用场景,核心指标及意义如下:

  1. 电压与电流额定值:漏源击穿电压(Vdss)为20V,适配5V/12V等低压系统;连续漏极电流(Id)可达5.6A,可满足中等功率负载(如小型电机、LED阵列)的需求。
  2. 导通损耗控制:导通电阻(RDS(on))在栅源电压Vgs=4.5V、漏极电流Id=5A时仅30mΩ,显著降低导通过程中的功率损耗(P=I²R),提升系统效率与电池续航(针对便携式设备)。
  3. 低阈值电压:栅源阈值电压(Vgs(th))为700mV,兼容3.3V/5V等低压控制信号(如MCU、FPGA输出),无需额外升压电路即可驱动,简化系统设计。
  4. 快速开关特性:栅极电荷量(Qg)仅9nC(Vgs=4.5V时),输入电容(Ciss)275pF、反向传输电容(Crss)60pF,开关损耗低,支持百kHz级高频工作(如同步降压DC-DC转换)。
  5. 电容与功率:输出电容(Coss)分别为70pF(N沟道)和66pF(P沟道),耗散功率(Pd)为1.4W,在典型工作条件下可稳定运行。
  6. 宽温适应性:工作温度范围覆盖-55℃至+150℃,满足工业级或极端环境(如高温车载、低温户外)下的应用需求。

三、封装与引脚设计

WST2078采用SOT-23-6L小型封装,尺寸紧凑(典型规格:2.9mm×1.6mm×1.1mm),可有效节省PCB空间,适配便携式设备(智能穿戴、手机)、小型模块(电源适配器、传感器节点)等对体积敏感的场景。

引脚布局适配互补MOSFET的驱动逻辑,具体定义需参考WINSOK官方 datasheet(通常包含:P沟道漏极、P沟道栅极、P沟道源极、N沟道源极、N沟道栅极、N沟道漏极),焊接时需注意防静电与温度控制。

四、典型应用场景

基于其低压、中电流、互补集成的特性,WST2078广泛适用于以下场景:

  1. 消费电子电源管理:手机、平板、智能手表的电池保护电路、负载开关(控制外设电源通断)。
  2. 小型DC-DC转换器:12V转5V/3.3V的同步降压转换器(半桥拓扑中作为低端/高端开关)。
  3. 小功率驱动:低电压小型电机(玩具电机、微型风扇)驱动、LED小功率背光/照明驱动。
  4. 工业控制模块:小型继电器驱动、传感器信号调理电路中的开关单元。
  5. 便携式接口:USB Type-C接口的电源开关、数据线路的ESD保护辅助电路。

五、产品核心优势

  1. 集成互补,简化设计:N/P沟道集成于单封装,无需分别采购两种MOSFET,减少PCB布局复杂度,降低物料与组装成本。
  2. 低导通损耗,效率优异:30mΩ的低导通电阻(4.5V栅压下),可将导通损耗降至最低,尤其适合电池供电的便携式设备。
  3. 低压驱动兼容:700mV阈值电压适配MCU的3.3V/5V输出,无需额外驱动电路,缩短设计周期。
  4. 快速开关,高频适用:9nC的栅极电荷量与低电容参数,支持高频工作(如100kHz以上的DC-DC转换),适配高速开关需求。
  5. 宽温与小封装兼顾:-55℃~+150℃的宽温范围与SOT-23-6L小封装,同时满足恶劣环境与小型化需求。

六、使用注意事项

  1. 静电防护:MOSFET栅极易受静电损坏,操作时需佩戴防静电手环,焊接设备需接地。
  2. 电压额定值:漏源电压(Vdss)不得超过20V,栅源电压(Vgs)需控制在±12V以内(参考 datasheet)。
  3. 热管理:连续工作时需注意耗散功率(Pd=1.4W),可通过增加PCB铜箔面积、使用散热片优化散热。
  4. 驱动逻辑匹配:P沟道需低栅压(接近源极电压)导通,N沟道需高栅压(高于源极电压)导通,设计驱动电路时需注意逻辑电平匹配。
  5. 焊接条件:回流焊峰值温度不超过260℃,回流时间不超过10秒,避免损坏器件。

WST2078凭借集成化、低损耗、低压驱动等优势,成为消费电子、小型电源等领域的优选器件,适配多种对体积与效率有要求的应用场景。

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