WMSIC Electronic Components

ON 1N4148WT

Model1N4148WT
PackageSOD-523F
BrandON
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 Electronic Component

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ON 1N4148WT
Type
ON
Minimum package
8000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ON
Electronic Component
1N4148WT
Electronic Component
1
Package
SOD-523F
Electronic Component
Switch Diode
Electronic Component
0.011g
Electronic Component
1
Electronic Component
BM0265642342
Current
300mA
Diode
Electronic Component
Current(Ir)
5uA@75V
(Vf)
1V@10mA
Power Dissipation(Pd)
200mW
Electronic Component
55℃~+150℃@(Tj)
Electronic Component
Electronic Component

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

1N4148WT 产品概述

产品简介

1N4148WT是一种广泛应用于电子设计中的小信号开关二极管,具有出色的电气性能和可靠性。其主要特点包括高反向电压、低正向电压、快速恢复时间以及小巧的封装,适合各种需要快速开关转换的电路应用。该器件由安森美(ON Semiconductors)生产,作为标准开关二极管,其性能使其成为许多传统和现代电子设备设计中的理想选择。

基础参数

  1. 二极管类型:标准开关二极管
  2. 额定反向电压 (Vr):最大为75V,确保能够承受高电压冲击且正常工作。
  3. 平均整流电流 (Io):可承受至多200mA的平均整流电流,使其适用于多种应用场景。
  4. 正向电压 (Vf):在10mA电流下,其正向电压降为1V,保证低功耗和高效率。
  5. 速度:小信号类型,承载电流≤200mA,支持任意开关速度,确保设备在高频操作下保持优异性能。
  6. 反向恢复时间 (trr):非常短的反向恢复时间为4ns,适合快速开关应用。
  7. 反向泄漏电流:在75V下仅为5µA,显示出极低的漏电流,有助于提高设备效率和降低能量损耗。

电气特性

1N4148WT的反向电容为5pF(在0V及1MHz频率下测试),这一特性使其在高频应用中表现出色,有效控制信号干扰,尤其在高频开关电路和放大器中非常重要。这样的电容值意味着这个二极管在高速开关中可以保持良好的线性特性,从而减少对电路切换速度的影响。

封装与安装

该二极管采用SOD-523F封装,具有极小的外形尺寸,方便在紧凑的电子设备中进行表面贴装。SOD-523F封装设计适用于高密度PCB设计,有助于提升电路的整体集成度。此外,该封装确保了较好的热散能力,适合广泛的工作环境。

工程应用领域

1N4148WT通常被用于:

  • 信号整流:在不需要高电流整流的应用场合,它是高频整流电路的理想选用。
  • 开关电路:能够迅速开关,可以用于各种开关应用,如开关电源和逻辑电路。
  • 保护电路:用作反向连接保护,防止电路组件因接错极性而受到损坏。
  • 高频应用:由于其低的电容和快速的恢复时间,广泛用于RF(无线电频率)电路中的开关和检测应用。

工作温度

1N4148WT能够在-55°C至150°C的宽温度范围内稳定工作,这种温度范围使其适合在极端温度环境下运行,满足汽车、工业和军事等领域的需求,增强了其适应性和可靠性。

总结

作为一款性能卓越的小信号开关二极管,1N4148WT以其高可靠性和适应性广泛运用于电子设计领域。无论是在信号处理、功率转换还是电路保护方面,其优越的电气特性和表面贴装设计都确保了其在各种应用中的重要性。对于需要高效能和小型化设计的现代电子设备而言,1N4148WT是一个理想的选择,能够极大地提升产品性能和市场竞争力。

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