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1N4947GPHE3/73
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1N4947GPHE3/73

Product Overview

Category:

The 1N4947GPHE3/73 belongs to the category of semiconductor diodes.

Use:

It is commonly used in rectification and voltage regulation applications.

Characteristics:

  • Forward Voltage: 1V
  • Reverse Voltage: 1000V
  • Current Rating: 1A
  • Fast Switching Speed

Package:

The 1N4947GPHE3/73 is typically available in a DO-41 package.

Essence:

This diode is essential for converting alternating current (AC) to direct current (DC) in various electronic circuits.

Packaging/Quantity:

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

Specifications

  • Manufacturer: ON Semiconductor
  • Part Number: 1N4947GPHE3/73
  • Maximum Reverse Voltage: 1000V
  • Average Rectified Current: 1A
  • Forward Voltage Drop: 1V
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4947GPHE3/73 diode has two pins, anode, and cathode. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.

Functional Features

  • High reverse voltage capability
  • Fast switching speed
  • Low forward voltage drop

Advantages

  • Suitable for high voltage applications
  • Fast response time
  • Low power dissipation

Disadvantages

  • Limited current handling capacity compared to higher-rated diodes
  • Sensitive to temperature variations

Working Principles

The 1N4947GPHE3/73 operates based on the principle of unidirectional conduction, allowing current flow in one direction while blocking it in the opposite direction. When a positive voltage is applied to the anode with respect to the cathode, the diode conducts, allowing current to flow through it.

Detailed Application Field Plans

Power Supplies

The diode is widely used in power supply circuits to convert AC to DC, providing a stable output voltage for various electronic devices.

Voltage Regulation

It is employed in voltage regulator circuits to maintain a constant output voltage despite fluctuations in input voltage.

Rectification

In rectifier circuits, the diode converts AC input to pulsating DC, which can be further smoothed using capacitors.

Detailed and Complete Alternative Models

  • 1N4007: Similar characteristics with a higher maximum reverse voltage of 1000V
  • 1N5408: Higher current rating of 3A with a maximum reverse voltage of 1000V
  • 1N5819: Schottky diode with lower forward voltage drop for higher efficiency

In conclusion, the 1N4947GPHE3/73 diode is a crucial component in electronic circuits, particularly in power supply and voltage regulation applications. Its high reverse voltage capability, fast switching speed, and low forward voltage drop make it suitable for various design requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 1N4947GPHE3/73 i tekniska lösningar

  1. What is the 1N4947GPHE3/73 diode used for?

    • The 1N4947GPHE3/73 diode is commonly used for general-purpose rectification in electronic circuits.

  2. What are the electrical characteristics of the 1N4947GPHE3/73 diode?

    • The 1N4947GPHE3/73 diode has a maximum repetitive peak reverse voltage of 1000V, a forward current of 1A, and a forward voltage drop of approximately 1.1V at 1A.

  3. Can the 1N4947GPHE3/73 diode be used for high-voltage applications?

    • Yes, the 1N4947GPHE3/73 diode is suitable for use in high-voltage applications due to its high peak reverse voltage rating.

  4. Is the 1N4947GPHE3/73 diode suitable for switching applications?

    • While it can be used for some switching applications, the 1N4947GPHE3/73 diode is primarily designed for rectification purposes.

  5. What are the temperature considerations for the 1N4947GPHE3/73 diode?

    • The 1N4947GPHE3/73 diode has an operating temperature range of -65°C to +175°C, making it suitable for a wide range of environments.

  6. Can the 1N4947GPHE3/73 diode handle high surge currents?

    • Yes, the 1N4947GPHE3/73 diode is capable of handling relatively high surge currents, which makes it suitable for transient voltage suppression applications.

  7. Are there any specific mounting considerations for the 1N4947GPHE3/73 diode?

    • The 1N4947GPHE3/73 diode is typically mounted using standard through-hole or surface-mount techniques, depending on the specific package type.

  8. What are the typical applications for the 1N4947GPHE3/73 diode?

    • Common applications include power supplies, battery chargers, inverters, and other general-purpose rectification circuits.

  9. Does the 1N4947GPHE3/73 diode require any special heat sinking?

    • For most typical applications, the 1N4947GPHE3/73 diode does not require additional heat sinking due to its relatively low forward voltage drop.

  10. Are there any alternative diodes that can be used in place of the 1N4947GPHE3/73?

    • Yes, there are several alternative diodes with similar electrical characteristics that can be used as substitutes for the 1N4947GPHE3/73, such as the 1N400x series diodes.