1N3821 Diode

Product Information

Category

The 1N3821 diode belongs to the category of semiconductor devices.

Use

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

Characteristics

• Forward Voltage Drop: 0.7V
• Reverse Voltage: 100V
• Maximum Continuous Forward Current: 1A
• Package Type: DO-41
• Operating Temperature Range: -65°C to 175°C

Package

The 1N3821 diode is typically available in a DO-41 package.

Essence

This diode is essential for converting alternating current (AC) to direct current (DC) and for protecting circuits from reverse voltage.

Packaging/Quantity

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

Specifications

• Forward Voltage Drop: 0.7V
• Reverse Voltage: 100V
• Maximum Continuous Forward Current: 1A
• Peak Surge Current: 30A
• Reverse Recovery Time: 4ns

Detailed Pin Configuration

The 1N3821 diode has two pins, anode, and cathode, with the anode being the positive terminal and the cathode being the negative terminal.

Functional Features

• High reliability
• Fast switching speed
• Low forward voltage drop
• Good surge current capability

Advantages

• Efficient rectification of AC to DC
• Reliable voltage regulation
• Fast response time

Disadvantages

• Limited reverse voltage tolerance
• Sensitive to temperature variations

Working Principles

The 1N3821 diode operates based on the principle of creating a one-way flow of current when forward-biased and blocking the flow of current when reverse-biased.

Detailed Application Field Plans

Power Supplies

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

Signal Demodulation

It is employed in radio and communication circuits for demodulating signals.

Overvoltage Protection

The diode is utilized to protect sensitive electronic components from overvoltage conditions.

Detailed and Complete Alternative Models

• 1N4001
• 1N4148
• 1N5408
• 1N5819

In conclusion, the 1N3821 diode is a versatile semiconductor device widely used in various electronic applications due to its efficient rectification, voltage regulation, and signal demodulation capabilities. While it offers advantages such as high reliability and fast switching speed, it also has limitations related to reverse voltage tolerance and temperature sensitivity. Understanding its working principles and application field plans is crucial for maximizing its utility in electronic circuits.

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