WMSIC Electronic Components

VBsemi SI2319DS-T1-GE3-VB SI2319DS

ModelSI2319DS-T1-GE3-VB
PackageSOT-23(TO-236)
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 SI2319DS-T1-GE3-VB
Type
VBSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
SI2319DS-T1-GE3-VB
Electronic Component
1
Package
SOT-23(TO-236)
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.054g
Electronic Component
1
Electronic Component
BM0265842979
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.6W
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.

SI2319DS-T1-GE3-VB P沟道MOS场效应管产品概述

一、产品基本定位与基础信息

SI2319DS-T1-GE3-VB是VBsemi(微碧半导体) 推出的P沟道增强型MOSFET,采用SOT-23小型表面贴装封装,单个器件聚焦“小功率、高集成度、低功耗”的功率控制需求,广泛适配便携电子、低压电源等场景,是替代传统继电器或三极管的理想方案。

二、核心电气参数及应用价值

该器件的关键参数围绕“低压驱动、低损耗、高可靠性”设计,核心参数的应用价值如下:

1. 额定电压与电流

  • 漏源电压(Vdss):30V(最大额定值):可覆盖常见低压直流电源(如12V、24V系统),避免过压损坏;
  • 连续漏极电流(Id):5.6A:SOT-23封装下的高电流规格,满足小功率电机、负载开关的持续工作需求(需结合PCB散热设计,如增加铜箔面积)。

2. 导通电阻(RDS(on)):46mΩ@10V

这一数值在同封装P沟道器件中表现突出:导通损耗公式为(P=I^2 \cdot R_{DS(on)}),以5A电流为例,损耗仅约1.15W,远低于高阻器件,可有效降低电源压降、延长电池续航(尤其适配便携设备)。

3. 阈值电压(Vgs(th)):2V@250uA

低阈值设计适配3.3V/5V主流MCU直接驱动,无需额外电平转换电路(如三极管或逻辑芯片),简化硬件设计、降低系统成本。

4. 开关特性

  • 栅极电荷量(Qg):24nC@10V、输入电容(Ciss):1.295nF@15V:电荷与电容值较低,开关速度快(约100ns级),适合100kHz以下高频应用(如小型DC-DC转换器、负载快速切换)。

5. 功耗与温度

  • 耗散功率(Pd):1.6W:封装限制下的最大允许功耗,需注意散热(如避免密集布局);
  • 工作温度:-55℃~+150℃:宽温范围适配工业、车载(部分场景)等恶劣环境,满足长期可靠性要求。

三、封装与可靠性设计

SI2319DS-T1-GE3-VB采用SOT-23封装,尺寸紧凑(典型1.6mm×2.9mm×1.1mm),适合自动化表面贴装(回流焊、波峰焊兼容);封装材料为耐高温环氧树脂,配合宽温设计,可承受多次热循环而无性能衰减;符合RoHS无铅环保标准,适配现代电子设备的环保需求。

四、典型应用场景

结合参数特性,该器件的核心应用场景包括:

1. 便携电子设备

手机、平板、智能穿戴的电源管理(如电池充放电控制、负载切换):小型化封装适配设备轻薄化趋势,低导通损耗延长电池续航。

2. 低压负载开关

移动电源、小型家电的负载通断控制:P沟道特性(源极可直接接正电源)简化驱动电路,无需反向电压转换。

3. 小型电机驱动

玩具电机、小型风扇、微型泵的驱动电路:5.6A连续电流满足电机启动(峰值电流≤5.6A)与持续运行需求。

4. 工业控制小信号

工业传感器节点、小型PLC的信号开关:宽温范围(-55℃~+150℃)适应现场环境变化,可靠性高。

5. 低压DC-DC转换器

升压/降压拓扑中的功率开关(如升压电路的同步整流):低导通损耗提升转换效率(可达到90%以上)。

五、选型优势总结

对比同类SOT-23封装P沟道器件,SI2319DS-T1-GE3-VB具备三大核心优势:

  1. 低导通损耗:46mΩ@10V的RDS(on)降低电源压降,适配电池供电场景;
  2. 易驱动性:2V低阈值电压,无需电平转换,简化系统设计;
  3. 宽温可靠性:-55℃~+150℃范围,适配多行业应用(工业、消费电子)。

同时,VBsemi的量产稳定性与性价比,适合批量应用需求,是小功率功率控制场景的优选器件。

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