WMSIC Electronic Components

MCC SI2304-TP SI2304

ModelSI2304-TP
PackageSOT-23
BrandMCC
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MCC SI2304-TP
Type
MCC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MCC
Electronic Component
SI2304-TP
Electronic Component
1
Package
SOT-23
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.045g
Electronic Component
1
Electronic Component
BM0228545311
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1W
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.

SI2304-TP 产品概述

一、产品简介

SI2304-TP(美微科 MCC)是一款单通道N沟道功率MOSFET,采用SOT-23小封装,设计用于低压开关和低功耗传导场合。器件额定漏源电压为30V,连续漏极电流可达2.5A,适合作为低压直流电源开关、负载开关、保护电路和功率管理模块中的开关器件。

二、主要参数

  • 类型:N沟道MOSFET(单个)
  • 漏源电压 Vdss:30V
  • 连续漏极电流 Id:2.5A
  • 导通电阻 RDS(on):90mΩ @ Vgs = 4.5V
  • 耗散功率 Pd:1W
  • 阈值电压 Vgs(th):2V @ Id = 250μA
  • 总栅电荷 Qg:5.4nC @ Vgs = 10V
  • 输入电容 Ciss:229pF @ Vds = 15V
  • 反向传输电容 Crss:35pF @ Vds = 15V
  • 工作温度范围:-55℃ ~ +150℃
  • 封装:SOT-23
  • 品牌:MCC(美微科)

三、产品特点

  • 低导通电阻:在典型逻辑电平栅压(4.5V)下RDS(on)为90mΩ,导通损耗小,适合低压功率传输。
  • 合理的开关性能:总栅电荷5.4nC和输入、反向电容特性使其在中低频开关场合具有良好切换特性。
  • 紧凑封装:SOT-23封装体积小,便于空间受限的移动设备和嵌入式电路设计。
  • 宽温度范围:-55℃至+150℃,适合工业类和车载等对温度要求较高的应用(需结合系统散热评估)。

四、典型应用场景

  • 开关电源和降压模块中的低侧开关
  • 电池管理与电源路径选择(load switch)
  • 小电流电机或继电器驱动(需注意平均功耗与散热)
  • LED驱动与保护电路
  • 通用低电压功率控制与保护(短路保护、反向保护等)

五、使用与布局建议

  • 驱动电平:器件在4.5V驱动下能达到标称RDS(on),在3.3V逻辑电平下导通电阻会上升,需根据实际电流评估热耗。
  • 栅极驱动与开关损耗:Qg = 5.4nC(10V)表明在高频开关时需要较大的驱动电流以保证快速转换,若驱动能力有限,应降低开关频率或采用驱动缓冲。
  • 布局与散热:SOT-23封装散热受限,采用大面积铜箔散热/多层PCB铜通孔可显著降低结温;在高平均电流或高RDS(on)功耗场景下应做热设计与功率分配。
  • 走线与串联电感:尽量缩短漏极、源极以及与驱动器之间的走线,降低寄生电感与振铃风险;在存在较大di/dt场合,可考虑吸收器件或RC阻尼。
  • 保护措施:利用外部RC、二极管或RC网络抑制开关瞬态,以及在必要时增加过流/过热保护以延长可靠性。

六、封装与可靠性

SI2304-TP采用SOT-23常见小封装,便于自动化贴装与批量生产。器件额定工作温度宽泛,但实际使用寿命与可靠性受结温、功耗循环和环境湿度影响。建议在系统设计时参考器件最大结温限制,进行热仿真与温升测试,并在必要时采取散热增强措施(铜面、热孔或外部散热片)。

结束语:SI2304-TP以其30V电压等级、较低导通电阻与紧凑SOT-23封装,适用于对体积、成本与开关性能有综合要求的低功率场景。选择时请结合实际工作电流、频率与热管理策略进行整体评估。若需更详细的电气特性曲线和封装引脚图,请参阅厂商详细数据手册。

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