Microsemi Corporation
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1N4479US
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1N4479US

Product Overview

Category

The 1N4479US belongs to the category of semiconductor diodes.

Use

It is commonly used as a rectifier in electronic circuits, converting 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 1N4479US is typically available in a variety of packages including DO-41, DO-15, and axial-lead glass.

Essence

The essence of the 1N4479US lies in its ability to efficiently convert AC to DC while providing protection against reverse voltage.

Packaging/Quantity

It is commonly available in reels or bulk packaging, with quantities varying based on manufacturer and distributor.

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
  • Storage Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4479US typically has two pins, with the anode being connected to the positive terminal and the cathode to the negative terminal.

Functional Features

  • Efficient rectification of AC to DC
  • Fast switching speed
  • Reliable reverse voltage protection

Advantages

  • High voltage capability
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Higher forward voltage drop compared to some other diodes
  • Limited current handling capacity compared to specialized rectifier diodes

Working Principles

The 1N4479US operates based on the principles of semiconductor physics, utilizing P-N junctions to allow current flow in one direction while blocking it in the reverse direction.

Detailed Application Field Plans

The 1N4479US finds extensive use in power supply units, battery chargers, inverters, and various electronic devices requiring AC to DC conversion.

Detailed and Complete Alternative Models

  • 1N4001
  • 1N5408
  • 1N5822
  • 1N4937
  • FR107

In conclusion, the 1N4479US is a versatile semiconductor diode widely used for rectification in electronic circuits, offering efficient AC to DC conversion and reliable reverse voltage protection. Its characteristics, specifications, and application field plans make it a crucial component in various electronic devices and systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4479US v technických řešeních

  1. What is the 1N4479US diode used for?

    • The 1N4479US diode is commonly used for voltage regulation and rectification in various electronic circuits.

  2. What are the key specifications of the 1N4479US diode?

    • The 1N4479US diode typically has a maximum repetitive reverse voltage of 200V, forward current of 3A, and a forward voltage drop of around 1V.

  3. How does the 1N4479US diode function as a voltage regulator?

    • The 1N4479US diode can be used in conjunction with other components to create a simple voltage regulator circuit that maintains a relatively constant output voltage.

  4. Can the 1N4479US diode be used in power supply designs?

    • Yes, the 1N4479US diode is suitable for use in low to moderate power supply designs where its voltage regulation and rectification capabilities are required.

  5. What are some typical applications of the 1N4479US diode?

    • Common applications include power supplies, battery chargers, voltage regulators, and general rectification circuits.

  6. What are the temperature considerations for the 1N4479US diode?

    • The 1N4479US diode typically operates within a specified temperature range, and it's important to consider thermal management when designing with this diode, especially in high-power applications.

  7. Are there any special considerations for mounting the 1N4479US diode?

    • Proper heat sinking and electrical insulation may be necessary depending on the specific application and operating conditions.

  8. Can the 1N4479US diode handle surge currents?

    • Yes, the 1N4479US diode is capable of handling short-duration surge currents, making it suitable for transient protection in circuits.

  9. What are the potential failure modes of the 1N4479US diode?

    • Common failure modes include overcurrent damage, thermal stress, and voltage breakdown due to excessive reverse bias.

  10. Where can I find detailed technical information about the 1N4479US diode?

    • Detailed datasheets and application notes from semiconductor manufacturers or distributors provide comprehensive technical information about the 1N4479US diode, including electrical characteristics, thermal considerations, and application guidelines.