1N5821G - Diode

Basic Information Overview

• Category: Diode
• Use: Rectification in power supply circuits
• Characteristics: Low forward voltage drop, high current capability
• Package: DO-201AD (SMA), axial leaded
• Essence: Schottky diode
• Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

• Forward Voltage Drop: 0.45V at 3A
• Reverse Voltage: 30V
• Forward Current: 3A
• Operating Temperature Range: -65°C to +125°C

Detailed Pin Configuration

The 1N5821G is a two-terminal device with anode and cathode pins. In the DO-201AD package, the anode is connected to the non-colored end of the diode, while the cathode is connected to the colored end.

Functional Features

• Low forward voltage drop ensures minimal power loss
• High current capability allows for efficient power handling
• Fast switching speed enables rapid response in circuits

Advantages and Disadvantages

Advantages

• Low forward voltage drop reduces power dissipation
• High current capability supports heavy load applications
• Fast switching speed enhances circuit efficiency

Disadvantages

• Higher cost compared to standard silicon diodes
• Limited reverse voltage rating compared to some other diode types

Working Principles

The 1N5821G is a Schottky diode, which utilizes a metal-semiconductor junction to achieve its unique characteristics. When forward biased, it allows current to flow with a low voltage drop due to the absence of minority carrier injection.

Detailed Application Field Plans

The 1N5821G is commonly used in: - Power supply rectification circuits - DC-DC converters - Reverse polarity protection circuits - Low voltage, high current applications

Detailed and Complete Alternative Models

Some alternative models to the 1N5821G include: - 1N5817: Lower forward voltage drop, lower current capability - 1N5822: Higher forward voltage drop, higher current capability - SS34: Similar characteristics, different package type

This comprehensive entry provides detailed information about the 1N5821G diode, including its specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.