WMSIC Electronic Components

MSKSEMI SI2323DS-T1-E3-MS SI2323DS

ModelSI2323DS-T1-E3-MS
PackageSOT-23
BrandMSKSEMI
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
MSKSEMI SI2323DS-T1-E3-MS
Type
MSKSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MSKSEMI
Electronic Component
SI2323DS-T1-E3-MS
Electronic Component
1
Package
SOT-23
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.036g
Electronic Component
1
Electronic Component
BM0264464012
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.56W
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.

SI2323DS-T1-E3-MS P沟道MOSFET产品概述

一、产品基本定位

SI2323DS-T1-E3-MS是美森科(MSKSEMI)推出的P沟道增强型MOSFET,采用SOT-23小型贴片封装,专为低压(≤20V)、中小电流(≤4.5A)场景设计,核心定位是便携电子、电源管理等领域的高效开关元件,兼具低损耗、易驱动、小体积等实用特性,适配消费电子与工业级轻载应用。

二、核心电气参数解析

该器件的参数针对低压应用做了针对性优化,关键亮点如下:

  1. 低压系统适配:漏源击穿电压(Vdss)为20V,覆盖3.3V、5V等主流低压平台,避免过压击穿风险,无需额外过压保护;
  2. 低导通损耗:漏源导通电阻(RDS(on))仅40mΩ(@Vgs=4.5V),在SOT-23封装中表现突出——导通损耗P=I²R,4.5A电流下损耗仅约0.81W,显著减少设备发热;
  3. 易驱动特性:阈值电压(Vgs(th))为700mV(@Id=250μA),低于多数MCU GPIO输出电压(如3.3V),无需额外驱动电路即可直接控制,简化系统设计;
  4. 开关性能均衡:栅极电荷量(Qg)9.6nC(@Vgs=4.5V)、输入电容(Ciss)850pF,兼顾开关速度(kHz级适用)与驱动功耗,适合一般频率的开关应用;
  5. 温度与功率耐受:最大耗散功率(Pd)1.56W,结温范围-55℃~+150℃,可适应户外便携设备(如智能手表)或工业级轻载模块的极端温度场景。

三、封装与物理特性

采用SOT-23封装(尺寸约1.6mm×2.9mm×1.1mm),属于行业通用小型贴片封装,具有三大优势:

  • 空间节省:适配便携设备的紧凑布局(如智能手环、蓝牙耳机的内部空间);
  • 生产友好:贴片式设计兼容自动化贴装产线,提升批量生产效率;
  • 引脚清晰:标准D(漏极)-S(源极)-G(栅极)排列,电路设计与焊接便捷。

四、典型应用场景

结合参数特性,该器件主要落地以下场景:

  1. 便携电子负载开关:如手机外设(耳机、充电器)开关、智能穿戴设备的传感器供电开关,利用低导通损耗延长电池续航;
  2. 低压电源管理:3.3V/5V系统的电源路径切换(电池与外部电源)、DC-DC转换器的同步整流辅助;
  3. 小型电机驱动:低功率直流电机(玩具电机、小型风扇)的驱动控制,满足4.5A以内的电流需求;
  4. 信号切换电路:音频、数据信号的多路选择开关,低导通电阻保证信号完整性;
  5. 过流保护模块:作为保护开关元件,配合检测电路实现负载过流时的快速关断。

五、产品优势总结

  1. 高效节能:40mΩ低导通电阻减少功率损耗,提升系统续航与稳定性;
  2. 设计简化:低阈值电压支持MCU直接驱动,无需额外驱动芯片,降低BOM成本;
  3. 空间友好:SOT-23小封装适配便携设备的紧凑布局;
  4. 环境适应:-55℃~150℃宽温范围覆盖消费电子与工业轻载场景;
  5. 可靠性强:成熟封装与参数设计,适配长期稳定运行需求。

该器件是低压中小功率开关场景的高性价比选择,尤其适合对空间、功耗敏感的便携与工业轻载应用。

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