WMSIC Electronic Components

VBsemi SI2341DS-T1-GE3-VB SI2341DS

ModelSI2341DS-T1-GE3-VB
PackageSOT-23
BrandVBSEMI
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
VBsemi SI2341DS-T1-GE3-VB
Type
VBSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
SI2341DS-T1-GE3-VB
Electronic Component
1
Package
SOT-23
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.022g
Electronic Component
1
Electronic Component
BM0266019400
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
2.5W
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.

SI2341DS-T1-GE3-VB MOS场效应管产品概述

SI2341DS-T1-GE3-VB是VBsemi(微碧半导体) 推出的一款P沟道增强型MOS场效应管,采用超小型SOT-23封装设计,凭借低导通电阻、宽工作温度范围及逻辑电平兼容特性,成为便携电子、电源管理等低功率场景的高性价比选择。

一、产品基本定位与核心属性

该器件属于小功率P沟道MOS管,核心属性清晰:

  • 品牌:VBsemi(微碧半导体)
  • 封装:SOT-23(超小型表面贴装,尺寸约2.9×2.2×1.1mm)
  • 类型:增强型P沟道MOSFET
  • 应用方向:聚焦空间受限、低功耗的电子设备(如便携终端、小型电源模块)

二、关键电参数与实际意义

参数是器件性能的核心体现,以下结合应用场景解析关键指标:

1. 电压与电流能力

  • 漏源电压(Vdss):30V(最大允许漏源电压),支持30V以内的电源系统(如5V/12V便携设备、小型工业电源);
  • 连续漏极电流(Id):5.6A(25℃下连续工作电流),可驱动5.6A以内的负载(如小型直流电机、LED阵列);
  • 耗散功率(Pd):2.5W(最大允许功率损耗),满足低功率电路的发热要求,无需额外散热设计。

2. 导通电阻与驱动兼容性

导通电阻(RDS(on))是功率损耗的核心指标,该器件覆盖多档位驱动电压:

  • Vgs=10V(传统驱动):46mΩ;
  • Vgs=6V(中等驱动):49mΩ;
  • Vgs=4.5V(逻辑电平):54mΩ。
    实际意义:4.5V是MCU(单片机)常见输出电平,无需额外栅极驱动芯片即可直接控制,简化电路设计;低RDS(on)减少导通损耗,提升电池续航(便携设备)或电源转换效率。

3. 开关特性与可靠性

  • 阈值电压(Vgs(th)):2V(漏极电流250uA时),栅极输入2V以上即可导通,灵敏度高;
  • 栅极电荷量(Qg):Vgs=4.5V时11.4nC,Vgs=10V时24nC——电荷量低,开关速度快,适合高频负载切换(如快速电源开关);
  • 电容参数:Ciss=1.295nF(输入电容)、Crss=130pF(反向传输电容)、Coss=150pF(输出电容)——电容特性稳定,减少开关噪声,提升电路可靠性。

4. 工作温度范围

  • -55℃~+150℃:覆盖工业级温度要求,可在极端环境(如高温车载、低温户外设备)下稳定工作,比普通商用级(0~70℃)应用范围更广。

三、封装形式与典型应用场景

SOT-23封装的超小体积是核心优势,适配以下场景:

  1. 便携电子:智能手机、蓝牙耳机、智能手环的电源开关、电池保护电路(避免过充/过放);
  2. 电源管理:DC-DC降压转换器(如5V转3.3V)、线性稳压器的辅助开关;
  3. 负载驱动:小型直流电机(玩具电机、智能门锁电机)、LED背光驱动;
  4. 工业控制:小型传感器模块的电源控制、低功率继电器替代(无触点、寿命长)。

四、性能优势与市场适配性

该器件在同类产品中具备明显竞争力:

  1. 驱动成本低:支持4.5V逻辑电平驱动,无需栅极驱动芯片,降低系统BOM成本;
  2. 效率高损耗低:多档位低RDS(on),减少导通损耗,提升电源效率达90%以上;
  3. 宽温可靠性:-55℃~+150℃满足工业级要求,适合户外、车载等恶劣环境;
  4. 小封装易集成:SOT-23封装适配高密度PCB设计,符合电子设备轻薄化趋势;
  5. 国产性价比:VBsemi作为国产半导体品牌,性能相当的情况下,成本低于部分进口品牌,适合批量应用。

综上,SI2341DS-T1-GE3-VB是一款高性价比的小功率P沟道MOS管,兼顾小封装、低损耗、宽温特性,可满足多种低功率电子设备的核心需求,是便携电子、电源管理等领域的理想选择。

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