WMSIC Electronic Components

ST 1N4448W diode 1N4448W

Model1N4448W
PackageSOD-123
BrandST
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 25+

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Technical data

Product details

19 specifications

Core information

Product name
ST 1N4448W
Type
ST
Minimum package
3000

Technical parameters

Electronic Component
ST
Electronic Component
1N4448W
Electronic Component
1
Package
SOD-123
Electronic Component
Switch Diode
Electronic Component
0.028g
Electronic Component
1
Electronic Component
BM0232256322
Current
150mA
Diode
Electronic Component
Current(Ir)
100nA@80V
(Vf)
720mV@5mA
Power Dissipation(Pd)
400mW
Electronic Component
3000
Voltage Rating(Vr)
80V
(Trr)
4ns

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

1N4448W 产品概述

1N4448W 是一款高性能的开关二极管,广泛应用于各类电子电路中。作为独立式二极管,它具有优秀的电气特性,使其在高速开关和信号整流应用中表现出色。其主要参数包括反向恢复时间 (trr) 为 4ns,反向电流 (Ir) 为 100nA@80V,整流电流可达 150mA,以及正向压降 (Vf) 为 720mV@5mA,直流反向耐压 (Vr) 为 80V。这些参数使得 1N4448W 成为高效、可靠的电子元器件选择。

电气特性

1N4448W 的反向恢复时间非常短,仅为 4 纳秒,这使其非常适合高频开关电路和快闪信号处理。低反向电流 (Ir) 特性为 100nA@80V,意味着其在正常工作条件下能有效降低功耗,适合用于节能设计。此外,该二极管的正向压降为 720mV@5mA,相对较低的压降能够减少功耗,提高整体电路的能效。

整流电流(150mA)为此元器件提供了良好的负载能力,确保其能够处理较高的电流负载而不至于超出其工作范围。这使得 1N4448W 非常适用于输出需要高电流整流的电子产品及电源电路中。其直流反向耐压 (Vr) 达到 80V,能够有效隔离高压电路,保护后端电路避免受到损坏。

封装与应用

1N4448W 采用 SOD-123 封装,这种小型化的封装方式不仅节省了空间,还方便了在自动化生产线上的组装。SOD-123 封装的特点是具有较好的散热性能,使元器件能够在较高的功率下安全工作,同时又保证了长期的可靠性和稳定性。

该元器件常见的应用场景包括:

  1. 开关电路:因其优异的反向恢复特性,特别适用于开关电源、DC-DC 转换器中的开关元件。
  2. 信号整流:用于低功耗电路中,将交流信号整流为直流信号,尤其是在高频信号处理场合。
  3. 反向保护:在电气系统中用作反向电流保护,以保障电路的安全性和稳定性。
  4. 保护电路:作为电子元件的保护措施,防止因电压反向引起的元器件损坏。

结论

综合来看,1N4448W 是一款性能卓越、应用广泛的开关二极管,凭借其优良的电气特性和小型封装,成为现代电子设计中不可或缺的元器件之一。在高速开关、信号整流及保护电路等应用领域,1N4448W 展现出其优异的性能与可靠性,为设计师提供了更多设计自由度与灵活性。在选择开关二极管时,1N4448W 无疑是一个值得考虑的优秀选项。

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