1N821A (DO35) Diode

Product Overview

Category:

The 1N821A (DO35) diode belongs to the category of semiconductor devices.

Use:

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

Characteristics:

• Small size
• High reliability
• Low forward voltage drop
• Fast switching speed

Package:

The 1N821A (DO35) diode is typically packaged in a glass-encapsulated DO-35 package.

Essence:

This diode serves as a crucial component in various electronic applications, ensuring proper flow and regulation of electrical currents.

Packaging/Quantity:

The diode is usually available in reels or tubes containing multiple units, with quantities varying based on manufacturer specifications.

Specifications

• Maximum Reverse Voltage: 75V
• Forward Current: 500mA
• Forward Voltage Drop: 1V
• Reverse Recovery Time: 4ns
• Operating Temperature Range: -65°C to 175°C

Detailed Pin Configuration

The 1N821A (DO35) diode has two leads, with the anode connected to one lead and the cathode connected to the other.

Functional Features

• Efficient rectification of alternating current (AC) to direct current (DC)
• Fast response time for signal demodulation
• Reliable voltage regulation in electronic circuits

Advantages and Disadvantages

Advantages

• Small form factor
• High reliability
• Low forward voltage drop
• Fast switching speed

Disadvantages

• Limited maximum reverse voltage
• Sensitive to temperature variations

Working Principles

The 1N821A (DO35) diode operates based on the principles of semiconductor junction behavior, allowing current to flow in one direction while blocking it in the reverse direction.

Detailed Application Field Plans

Rectification Circuits

The diode can be used in power supply circuits to convert AC to DC.

Signal Demodulation

It is employed in communication systems to extract modulated signals from carrier waves.

Voltage Regulation

In electronic devices, the diode helps maintain stable voltage levels for proper operation.

Detailed and Complete Alternative Models

• 1N914 (DO-35)
• 1N4001 (DO-41)
• 1N5819 (DO-41)

In conclusion, the 1N821A (DO35) diode is a versatile semiconductor device with applications across various electronic circuits, offering efficient rectification, signal demodulation, and voltage regulation. Its compact size, reliability, and fast switching speed make it a valuable component in modern electronics.

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