1N4148WT-7

Product Overview

The 1N4148WT-7 belongs to the category of small signal diodes and is commonly used in electronic circuits for various applications. This diode is known for its high-speed switching capability, low leakage current, and small package size. It is typically available in a tape and reel packaging with a quantity of 3,000 units per reel.

Specifications

• Maximum Continuous Forward Current: 300 mA
• Reverse Voltage: 100 V
• Forward Voltage Drop: 1 V
• Reverse Recovery Time: 4 ns
• Operating Temperature Range: -65°C to +175°C

Pin Configuration

The 1N4148WT-7 diode has a standard DO-35 glass axial package with two leads. The cathode is denoted by a black band on the body of the diode.

Functional Features

This diode is designed for high-speed switching applications and is capable of handling relatively high currents compared to other small signal diodes. Its low reverse recovery time makes it suitable for use in fast-switching circuits.

Advantages

• High-speed switching capability
• Low leakage current
• Small package size

Disadvantages

• Relatively low maximum continuous forward current compared to some other diodes
• Limited reverse voltage tolerance

Working Principles

The 1N4148WT-7 operates based on the principles of semiconductor physics, utilizing the properties of a PN junction to allow current flow in one direction while blocking it in the opposite direction.

Application Field Plans

This diode finds extensive use in various electronic circuits such as signal demodulation, signal clamping, and high-speed switching applications. It is commonly employed in radio frequency (RF) applications, digital logic circuits, and pulse generators.

Alternative Models

• 1N914
• 1N4448
• BAV21

In conclusion, the 1N4148WT-7 diode is a versatile component widely used in electronic circuits due to its high-speed switching capabilities and low leakage current. While it has limitations in terms of maximum current and reverse voltage, its compact size and efficient performance make it a popular choice for many applications.