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1N4148WS

Name: 1N4148WS
Rating: 4.7 (12 reviews)

DIODE STANDARD 100V 300MA SOD323

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資料表 1N4148WS DataSheet
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規格

Part Status	Active
Technology	Standard
Voltage - DC Reverse (Vr) (Max)	100 V
Current - Average Rectified (Io)	300mA
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 150 mA
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	1 µA @ 75 V
Mounting Type	Surface Mount
Package	SC-76, SOD-323
Supplier Device Package	SOD-323
Operating Temperature - Junction	-55°C ~ 150°C
Packaging	Cut Tape (CT), Tape & Reel (TR)
Reverse Recovery Time (trr)	8 ns

概述

Description

The 1N4148WS is a high-speed switching diode commonly used in electronic circuits. It is an improved version of the standard 1N4148 diode, featuring a higher reverse breakdown voltage and lower leakage current. With a maximum reverse voltage of 100V and a forward current rating of 1A, the 1N4148WS is suitable for applications requiring fast switching, such as signal processing, clamping, and rectification.
Key specifications include a forward voltage drop of approximately 0.7V at 1A and a recovery time of about 4ns, making it ideal for high-frequency applications. The diode is packaged in a small, efficient form factor, contributing to space-saving designs in modern electronics.
Due to its reliability and performance, the 1N4148WS is widely used in consumer electronics, telecommunications, and automotive applications. Its robustness and versatility make it a go-to component for engineers and hobbyists alike.

Features

The 1N4148WS is a high-speed switching diode with several key features:
1. High Speed: Designed for fast switching applications, making it suitable for high-frequency circuits.
2. Low Forward Voltage Drop: Typically around 0.7V, which helps in improving efficiency in power-sensitive applications.
3. High Reverse Voltage: Rated for a reverse voltage of up to 100V, suitable for various electronic circuits.
4. Small Package: Often available in a compact SMD (Surface Mount Device) package, which is advantageous for space-constrained designs.
5. Temperature Range: Operating temperature typically ranges from -55°C to +150°C, ensuring reliability in diverse environments.
6. Low Leakage Current: Minimal reverse leakage current, contributing to overall circuit efficiency.
7. Versatile Applications: Widely used in signal processing, switching power supplies, and clamping applications.
These features make the 1N4148WS an ideal choice for various electronic applications requiring reliable performance and compact size.

Package

The 1N4148WS is typically packaged in a surface-mount device (SMD) configuration, specifically in the SOD-123 or SOD-323 package type. This makes it suitable for automated assembly and compact electronic designs.

Pinout

The 1N4148WS is a fast-switching silicon diode, commonly used in electronic circuits. It has a total of 2 pins.
Pin functions:
1. Anode (Pin 1): The positive side of the diode, where current enters when the diode is forward-biased.
2. Cathode (Pin 2): The negative side of the diode, marked with a band, where current exits when the diode is forward-biased.
The 1N4148WS is designed for applications such as signal processing, switching, and clamping, with a maximum reverse voltage of 100V and a forward current rating of 1A. Its fast recovery time makes it suitable for high-speed switching applications.

Manufacturer

The 1N4148WS is a semiconductor diode, typically manufactured by various companies such as ON Semiconductor, Vishay, and Nexperia. These companies are primarily involved in the electronics and semiconductor industry, producing a wide range of electronic components, including diodes, transistors, and integrated circuits. They cater to various sectors, including consumer electronics, automotive, telecommunications, and industrial applications. The 1N4148 diode is widely used for signal processing and switching applications due to its fast switching speed and low leakage current.

Application

The 1N4148WS is a high-speed switching diode commonly used in various applications, including signal demodulation, switching circuits, clamping, and protection against voltage spikes. It is ideal for high-frequency applications, such as in oscillators and amplifiers, and is often found in digital logic circuits and RF circuits. Its fast recovery time and low reverse leakage current make it suitable for use in telecommunication and consumer electronics.

Equivalent

The 1N4148WS is a fast-switching diode. Equivalent products include:
1. 1N4148
2. 1N4148A
3. 1N4148B
4. 1N4148RLG
5. BAV99
6. BAV21
7. BAT54
Always check specifications for voltage, current, and package type to ensure compatibility.