1N4478US

Product Overview

Category

The 1N4478US belongs to the category of semiconductor diodes.

Use

It is commonly used for rectification, voltage regulation, and signal demodulation in electronic circuits.

Characteristics

• Forward voltage drop: Typically around 0.7V
• Reverse leakage current: Low leakage current at reverse bias
• Fast switching speed
• High reliability and ruggedness

Package

The 1N4478US is typically available in a DO-41 package.

Essence

This diode serves as a crucial component in electronic circuits, enabling the conversion of alternating current (AC) to direct current (DC) and regulating voltage levels.

Packaging/Quantity

It is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Maximum repetitive peak reverse voltage: VRRM = [Insert Value]
• Average forward current: IF(AV) = [Insert Value]
• Peak forward surge current: IFSM = [Insert Value]
• Operating temperature range: -55°C to +175°C

Detailed Pin Configuration

The 1N4478US features a two-terminal configuration, with the anode and cathode being the primary connection points.

Functional Features

• Rectification of AC to DC
• Voltage regulation
• Signal demodulation
• Protection against reverse voltage

Advantages and Disadvantages

Advantages

• Low forward voltage drop
• Fast switching speed
• High reliability
• Wide operating temperature range

Disadvantages

• Limited reverse voltage tolerance compared to other diode types
• Higher reverse leakage current compared to Schottky diodes

Working Principles

The 1N4478US operates based on the principles of semiconductor physics, utilizing P-N junctions to facilitate the flow of current in one direction while blocking it in the reverse direction.

Detailed Application Field Plans

Power Supplies

The diode can be used in power supply circuits for rectification and voltage regulation.

Signal Demodulation

In communication systems, the diode can be employed for demodulating amplitude-modulated (AM) signals.

Overvoltage Protection

It can be utilized in circuits to protect sensitive components from overvoltage conditions.

Detailed and Complete Alternative Models

• 1N4001
• 1N4148
• 1N5819
• 1N5408

In conclusion, the 1N4478US semiconductor diode serves as a fundamental component in various electronic applications, offering reliable rectification, voltage regulation, and signal demodulation capabilities. Its characteristics, functional features, and application field plans make it a versatile choice for engineers and hobbyists alike. Additionally, understanding its advantages, disadvantages, and alternative models provides valuable insights for selecting the most suitable diode for specific circuit requirements.