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1N4484
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1N4484 Diode

Product Overview

Category:

The 1N4484 diode belongs to the category of semiconductor devices.

Use:

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

Characteristics:

  • Forward Voltage Drop: 0.7V
  • Maximum Reverse Voltage: 1000V
  • Maximum Forward Current: 1A
  • Fast Switching Speed

Package:

The 1N4484 diode is typically available in a DO-41 package.

Essence:

This diode is essential for converting alternating current (AC) to direct current (DC) and for protecting circuits from reverse voltage spikes.

Packaging/Quantity:

It is usually packaged in reels or tubes, with quantities ranging from hundreds to thousands per package.

Specifications

  • Forward Voltage Drop: 0.7V
  • Reverse Voltage: 1000V
  • Forward Current: 1A
  • Maximum Operating Temperature: 175°C
  • Storage Temperature Range: -65°C to 175°C

Detailed Pin Configuration

The 1N4484 diode has two pins, anode and cathode. The anode is marked with a band on the body of the diode.

Functional Features

  • Rectification of AC to DC
  • Voltage Regulation
  • Signal Demodulation
  • Overvoltage Protection

Advantages

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

Disadvantages

  • Limited maximum forward current compared to higher power diodes
  • Relatively high leakage current at high temperatures

Working Principles

The 1N4484 diode operates based on the principle of creating a one-way flow of current when forward biased and blocking the flow of current when reverse biased. This allows it to convert AC to DC and regulate voltages in electronic circuits.

Detailed Application Field Plans

Power Supplies

The 1N4484 diode is widely used in power supply circuits for converting AC input to DC output.

Voltage Regulation

It is employed in voltage regulator circuits to maintain a stable output voltage.

Signal Demodulation

In communication systems, this diode is utilized for demodulating amplitude-modulated (AM) signals.

Overvoltage Protection

The 1N4484 diode is integrated into circuits to protect sensitive components from damage due to overvoltage conditions.

Detailed and Complete Alternative Models

  • 1N4001
  • 1N4007
  • 1N5408
  • 1N5819
  • 1N4148

In conclusion, the 1N4484 diode is a versatile semiconductor device with applications in various electronic circuits, offering efficient rectification, voltage regulation, and signal demodulation capabilities while providing overvoltage protection. Its characteristics, working principles, and alternative models make it a valuable component in the field of electronics.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af 1N4484 i tekniske løsninger

  1. What is the 1N4484 diode used for?

    • The 1N4484 diode is commonly used for general-purpose rectification and power supply applications.

  2. What is the maximum forward voltage drop of the 1N4484 diode?

    • The maximum forward voltage drop of the 1N4484 diode is typically around 1 volt at a forward current of 1 ampere.

  3. What is the maximum reverse voltage rating of the 1N4484 diode?

    • The 1N4484 diode has a maximum reverse voltage rating of 1000 volts.

  4. Can the 1N4484 diode handle high current applications?

    • Yes, the 1N4484 diode is capable of handling relatively high forward currents, making it suitable for various power supply and rectification applications.

  5. Is the 1N4484 diode suitable for fast switching applications?

    • No, the 1N4484 diode is not designed for fast switching applications due to its relatively slow recovery time.

  6. What is the typical junction capacitance of the 1N4484 diode?

    • The typical junction capacitance of the 1N4484 diode is around 30 picofarads at a reverse bias of 4 volts.

  7. Does the 1N4484 diode require a heatsink for high-power applications?

    • Yes, for high-power applications, it is recommended to use a heatsink to dissipate heat and ensure proper operation of the diode.

  8. Can the 1N4484 diode be used in temperature-sensitive environments?

    • The 1N4484 diode has a wide operating temperature range, making it suitable for use in various temperature-sensitive environments.

  9. What are some common failure modes of the 1N4484 diode?

    • Common failure modes of the 1N4484 diode include thermal runaway under high current conditions and breakdown due to excessive reverse voltage.

  10. Are there any specific layout considerations when using the 1N4484 diode in a circuit?

    • It is important to minimize the length of the leads and traces connected to the diode to reduce parasitic inductance and ensure proper performance in high-frequency applications.