WMSIC Electronic Components

WINSOK WST3427

ModelWST3427
PackageSOT-23N
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
WINSOK WST3427
Type
WINSOK
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
WINSOK
Electronic Component
WST3427
Electronic Component
1
Package
SOT-23N
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.037g
Electronic Component
1
Electronic Component
BM0265729137
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1W
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.

WST3427 P沟道场效应管产品概述

WST3427是WINSOK(微硕)推出的一款高性能P沟道增强型MOSFET,专为低电压、中电流场景设计,具备低导通损耗、快速开关特性及宽温工作范围,可满足便携式电子、电源管理等领域的高密度、高效率需求。以下从核心参数、封装特性、应用场景等维度展开概述。

一、产品基本信息

WST3427为单管P沟道MOSFET,核心基础信息如下:

  • 品牌:WINSOK(微硕)
  • 类型:P沟道增强型场效应管
  • 封装:SOT-23N(小型表面贴装封装,3脚结构)
  • 核心定位:低电压(20V以内)、中电流(2.5A以内)、高效率开关/控制

二、关键电气参数深度解析

WST3427的参数设计针对低功耗场景优化,核心参数具备明显优势:

1. 电压与电流能力

  • 漏源击穿电压(Vdss):20V,满足常见低电压系统(如3.7V锂电池、5V电源)的耐压需求,避免过压损坏;
  • 连续漏极电流(Id):2.5A(25℃环境下),支持中小功率负载的持续工作,如微型电机、LED阵列等;
  • 脉冲漏极电流(Idp):虽未明确标注,但结合封装与功率能力,可支持短时间内更高电流(如3A以内脉冲)。

2. 导通特性(效率核心)

  • 导通电阻(RDS(on)):140mΩ@4.5V/2A,属于同等级P沟道MOSFET中的低水平——导通电阻越低,导通损耗越小,系统效率越高(如2A电流下,导通损耗仅为 (I^2R = 2^2 \times 0.14 = 0.56W));
  • 阈值电压(Vgs(th)):650mV,低阈值特性使其可兼容3.3V、5V控制电路,无需额外驱动芯片,降低系统成本。

3. 开关特性(响应速度)

  • 栅极电荷量(Qg):[email protected],栅极电荷越小,开关切换所需能量越少,响应速度越快;
  • 电容参数:输入电容(Ciss)300pF、反向传输电容(Crss)30pF@15V,低电容设计减少开关损耗,适合100kHz以内的高频应用(如DC-DC同步整流)。

4. 功率与温度可靠性

  • 耗散功率(Pd):1W(25℃环境下),结合SOT-23N封装的散热能力,可满足连续工作需求;
  • 工作温度范围:-55℃~+150℃(结温Tj),覆盖工业级环境(如车载、户外设备),可靠性强。

三、封装与散热设计

WST3427采用SOT-23N小型贴片封装,尺寸紧凑(典型尺寸约2.9×1.6×1.1mm),具备以下优势:

  1. 高密度布局:适合便携式设备(如智能手机、智能手环)的小尺寸PCB设计,节省空间;
  2. 散热优化:虽然封装体积小,但通过PCB铜箔(如在漏极引脚增加散热焊盘)可有效导出热量,满足1W耗散功率的散热需求;
  3. 焊接兼容性:符合标准SMT工艺,支持回流焊、波峰焊,生产效率高。

四、典型应用场景

WST3427的参数特性使其适用于以下场景:

  1. 便携式电子设备:智能手机、智能手表的电源路径控制(如电池充放电切换);
  2. 电池保护电路:锂电池过充/过放保护(P沟道适合源极接正极的控制逻辑);
  3. 低电压DC-DC转换器:作为同步整流管(配合N沟道MOSFET),提升5V转3.3V等低压转换效率;
  4. 负载开关:控制中小电流负载(如LED、小型电机)的通断,快速响应;
  5. 小型电机驱动:微型玩具电机、散热风扇的驱动电路(2.5A连续电流足够)。

五、产品选型优势

对比同等级竞品,WST3427具备以下核心优势:

  • 低导通损耗:140mΩ RDS(on)比部分竞品低10%~20%,效率提升明显;
  • 宽温可靠性:-55℃~+150℃结温范围,优于多数消费级MOSFET;
  • 易驱动性:650mV低阈值,无需高压驱动,简化电路设计;
  • 成本优势:SOT-23N封装+单管设计,性价比高于集成MOSFET模块。

总结

WST3427是一款低电压、中电流、高效率的P沟道MOSFET,凭借低导通电阻、快速开关、宽温特性及小型封装,成为便携式电子、电源管理等领域的理想选择。其参数平衡了效率、可靠性与成本,可有效提升系统性能并简化设计。

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