1N4479 Diode

Product Overview

Category:

The 1N4479 diode belongs to the category of semiconductor devices.

Use:

It is commonly used as a rectifier in electronic circuits to convert alternating current (AC) to direct current (DC).

Characteristics:

Forward Voltage Drop: Typically around 0.7V
Reverse Voltage: Up to 1000V
Current Rating: Varies based on specific model
Fast Switching Speed

Package:

The 1N4479 diode is typically available in a DO-41 package, which is a cylindrical glass package with axial leads.

Packaging/Quantity:

They are usually sold in reels or tubes containing multiple units, with quantities varying based on manufacturer and supplier.

Specifications

Maximum Reverse Voltage: 1000V
Average Rectified Current: Varies based on specific model
Peak Surge Current: Varies based on specific model
Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4479 diode has two leads, an anode and a cathode, with the cathode being marked by a band or line on the body of the diode.

Functional Features

High voltage capability
Fast switching speed
Low forward voltage drop

Advantages

Suitable for high voltage applications
Fast response time
Low power loss

Disadvantages

Higher forward voltage drop compared to Schottky diodes
Limited to low frequency applications

Working Principles

The 1N4479 diode operates based on the principle of unidirectional conduction, allowing current flow in only one direction while blocking it in the reverse direction.

Detailed Application Field Plans

Power Supplies: Used in AC to DC converters for power supplies.
Voltage Multipliers: Employed in voltage multiplier circuits for generating high DC voltages.
Rectification: Utilized for converting AC power to DC power in various electronic devices.

Detailed and Complete Alternative Models

1N4007
1N5408
1N5819
1N4937

In conclusion, the 1N4479 diode is a versatile semiconductor device widely used in electronic circuits for rectification and voltage regulation purposes due to its high voltage capability, fast switching speed, and low power loss.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4479 v technických řešeních

What is the 1N4479 diode used for?
- The 1N4479 diode is commonly used for general-purpose rectification and switching applications.
What is the maximum forward current rating of the 1N4479 diode?
- The maximum forward current rating of the 1N4479 diode is typically 3A.
What is the peak reverse voltage of the 1N4479 diode?
- The peak reverse voltage of the 1N4479 diode is usually 1000V.
Can the 1N4479 diode be used in high-frequency applications?
- Yes, the 1N4479 diode can be used in moderate to high-frequency applications due to its fast switching characteristics.
Is the 1N4479 diode suitable for use in power supply circuits?
- Yes, the 1N4479 diode is often used in power supply circuits for rectification purposes.
What is the typical forward voltage drop of the 1N4479 diode?
- The typical forward voltage drop of the 1N4479 diode is around 1V at a forward current of 3A.
Does the 1N4479 diode require a heat sink for high-power applications?
- Yes, for high-power applications, it is recommended to use a heat sink with the 1N4479 diode to dissipate heat effectively.
Can the 1N4479 diode handle surge currents?
- Yes, the 1N4479 diode is capable of handling surge currents, making it suitable for transient voltage suppression applications.
What are the typical operating temperature ranges for the 1N4479 diode?
- The 1N4479 diode typically operates within a temperature range of -65°C to +175°C.
Are there any common failure modes associated with the 1N4479 diode?
- Common failure modes for the 1N4479 diode include thermal runaway under high-temperature conditions and excessive reverse voltage leading to breakdown. Proper heat management and voltage regulation are essential to mitigate these risks.