1N4979 Diode

Product Overview

Category:

The 1N4979 is a semiconductor diode.

Use:

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

Characteristics:

Forward Voltage Drop: 0.7V
Maximum Reverse Voltage: 100V
Maximum Forward Current: 1A
Package Type: DO-41
Packaging/Quantity: Bulk packaging, typically available in reels of 1000 units

Essence:

The 1N4979 diode is an essential component in electronic devices for controlling the flow of current.

Specifications

Forward Voltage Drop: 0.7V
Maximum Reverse Voltage: 100V
Maximum Forward Current: 1A
Package Type: DO-41
Packaging: Bulk packaging, typically available in reels of 1000 units

Detailed Pin Configuration

The 1N4979 diode has two pins, with the cathode being marked by a band on the body of the diode.

Functional Features

Efficient rectification of AC to DC current
Low forward voltage drop
High reverse voltage capability

Advantages

Low cost
Reliable performance
Wide availability

Disadvantages

Limited maximum forward current compared to some other diode models
Relatively high forward voltage drop

Working Principles

The 1N4979 diode operates based on the principle of creating a one-way path for current flow, allowing it to conduct in one direction while blocking it in the reverse direction.

Detailed Application Field Plans

The 1N4979 diode finds applications in: - Power supplies - Battery charging circuits - Voltage regulators - Rectifiers

Detailed and Complete Alternative Models

Some alternative diode models to 1N4979 include: - 1N4001 - 1N4148 - 1N5408 - 1N5819

In conclusion, the 1N4979 diode is a widely used semiconductor component with specific characteristics that make it suitable for various electronic applications, especially those requiring rectification and voltage regulation.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4979 v technických řešeních

What is 1N4979?
- 1N4979 is a silicon power rectifier diode commonly used in various technical solutions.
What are the key specifications of 1N4979?
- The 1N4979 diode has a maximum repetitive reverse voltage of 200 volts, a forward current of 3 amperes, and a forward voltage drop of around 1 volt at the rated current.
In what applications can 1N4979 be used?
- 1N4979 is often used in power supply circuits, battery chargers, voltage regulators, and other electronic devices requiring rectification of AC to DC.
What are the typical operating conditions for 1N4979?
- The typical operating temperature range for 1N4979 is -65°C to +175°C, and it is designed to handle high surge currents and high voltage transients.
How does 1N4979 compare to other similar diodes?
- Compared to other diodes, 1N4979 offers a balance of high voltage capability, moderate forward current, and low forward voltage drop, making it suitable for various applications.
What are the potential failure modes of 1N4979?
- Common failure modes include thermal runaway under high current conditions, reverse breakdown due to excessive voltage, and degradation of performance over time.
Are there any specific considerations for circuit design when using 1N4979?
- It's important to consider heat dissipation, reverse voltage protection, and proper current limiting to ensure the reliable operation of 1N4979 in a circuit.
Can 1N4979 be used in automotive applications?
- Yes, 1N4979 can be used in automotive systems such as alternator rectification, voltage regulation, and other power management functions.
What are the recommended storage and handling precautions for 1N4979?
- It is advisable to store 1N4979 in a cool, dry environment and handle it with appropriate ESD (electrostatic discharge) precautions to prevent damage.
Where can I find detailed application notes and reference designs for using 1N4979?
- Detailed application notes and reference designs for 1N4979 can be found in the datasheets provided by semiconductor manufacturers or through online technical resources.