WMSIC Electronic Components

YONGYUTAI SI2302

ModelSI2302
PackageSOT-23
BrandYONGYUTAI
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
YONGYUTAI SI2302
Type
YONGYUTAI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YONGYUTAI
Electronic Component
SI2302
Electronic Component
1
Package
SOT-23
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0220136712
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.

SI2302 产品概述

1. 概述

SI2302是一款高性能的南京永久电子股份有限公司(YONGYUTAI)生产的N沟道金属氧化物半导体场效应管(MOSFET),它广泛应用于多种电子电路中,尤其在开关电源、直流电动机驱动和负载开关等场合表现出色。其优秀的电气特性和紧凑的SOT-23封装使其成为小型化电路设计的理想选择。

2. 主要特性

  • 类型: N沟道MOSFET
  • 功率: 最大功率为1W,适合低功耗应用。
  • 电压: 额定漏源电压20V,能够承受一定的过压条件。
  • 电流: 支持最大漏电流3A,足以满足大部分应用的需求。
  • 封装: SOT-23,小型封装设计,便于在空间受限的应用中使用。

3. 工作原理

MOSFET是一种电压控制的设备,其基本工作原理依赖于电场的作用。对于N沟道MOSFET,当门极(G)相对于源极(S)施加一定的正电压时,漏极(D)与源极之间会形成导通通道,从而允许电流流动。SI2302特别适合于低电压和中等电流的应用,能够有效地将电能从源头传输至负载。

4. 应用领域

SI2302广泛应用于以下领域:

  • 开关电源: 在DC-DC转换器中,SI2302可以用作高频开关元件,提升能量转化效率。
  • 电动机驱动: 本产品可用于各类DC电动机启停控制与调速,提供可靠的开关控制。
  • 负载开关: 在消费电子产品中,SI2302能够有效控制各种负载开关,实现节能设计。
  • LED驱动: 本MOSFET同样适用于LED驱动电路,提供高效稳定的电流控制。

5. 性能参数

在选用SI2302进行设计时,设计工程师需要重点关注其以下性能参数:

  • 漏源电压(V_DS): 最大可承受20V。
  • 门源阈值电压(V_GS(th)): 通常在2-4V之间,这样的低阈值有助于在较低电压下(如5V系统)快速打开通道。
  • 导通电阻(R_DS(on)): SI2302的导通电阻极低,减少了功耗和发热。
  • 开关速度: SI2302具备快速开关性能,可在高频应用中保持良好表现。

6. 设计注意事项

在实际设计中,使用SI2302时需注意:

  • 热管理: 虽然SI2302在小功率范围内工作,但在高负载情况下仍需考虑散热,避免温度过高导致失效。
  • 驱动电平: 确保门极电压足够高于阈值电压,以保证 MOSFET 的有效导通。
  • 抗静电措施: 在电路设计和元器件焊接过程中,应采取必要的静电放电(ESD)防护措施。

7. 总结

SI2302是一款兼具高性能与小型封装的N沟道MOSFET,适合各种低功耗应用场景。凭借其20V/3A的规格和良好的开关特性,该器件在当今现代电子产品中发挥着关键作用。其在开关电源、电动机驱动、负载开关和LED驱动等多个领域的适用性使其成为设计工程师的热门选择。无论是消费电子还是工业控制,SI2302都能提供可靠的性能支持和有效的系统解决方案。

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