Semtech Corporation
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1N4984US
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1N4984US

Product Overview

Category

The 1N4984US belongs to the category of semiconductor diodes.

Use

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

Characteristics

  • Forward voltage drop: 0.7V
  • Reverse voltage: 200V
  • Maximum forward current: 1A
  • Fast switching speed

Package

The 1N4984US 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.

Packaging/Quantity

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

Specifications

  • Forward Voltage Drop: 0.7V
  • Reverse Voltage: 200V
  • Maximum Forward Current: 1A
  • Operating Temperature Range: -65°C to +175°C
  • Storage Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4984US has two pins, anode, and cathode. The anode is connected to the positive terminal of the circuit, while the cathode is connected to the negative terminal.

Functional Features

  • High current capability
  • Fast switching speed
  • Low forward voltage drop
  • Reliable voltage regulation

Advantages

  • Efficient rectification of AC to DC
  • Protection against reverse voltage
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited maximum forward current compared to higher-rated diodes
  • Sensitive to overvoltage conditions

Working Principles

The 1N4984US 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 efficiently convert AC to DC and protect circuits from reverse voltage.

Detailed Application Field Plans

The 1N4984US is widely used in: - Power supply units - Battery chargers - Voltage regulators - Rectifier circuits - Inverters

Detailed and Complete Alternative Models

Some alternative models to the 1N4984US include: - 1N4001 - 1N4148 - 1N5408 - 1N5819 - 1N5822

In conclusion, the 1N4984US is a versatile semiconductor diode that finds extensive use in electronic circuits for rectification and voltage regulation. Its efficient operation, compact size, and wide application make it a valuable component in various electronic devices and systems.

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Énumérez 10 questions et réponses courantes liées à l'application de 1N4984US dans les solutions techniques

  1. What is the 1N4984US diode used for?

    • The 1N4984US diode is commonly used for voltage regulation and transient suppression in various technical solutions.

  2. What are the key specifications of the 1N4984US diode?

    • The 1N4984US diode typically has a maximum repetitive peak reverse voltage of 200V, a maximum forward voltage drop of 1.1V at 3A, and a maximum reverse leakage current of 5µA at 150°C.

  3. How does the 1N4984US diode provide voltage regulation?

    • The 1N4984US diode regulates voltage by allowing current to flow in only one direction, effectively limiting the voltage across the circuit.

  4. In what applications is the 1N4984US diode commonly used?

    • The 1N4984US diode is often used in power supplies, automotive electronics, industrial equipment, and other systems requiring voltage regulation and transient suppression.

  5. What is the typical response time of the 1N4984US diode to transient events?

    • The 1N4984US diode typically responds to transient events within nanoseconds, providing rapid protection against voltage spikes and surges.

  6. Can the 1N4984US diode handle high currents?

    • Yes, the 1N4984US diode is capable of handling high currents, with a maximum average forward rectified current of 3A.

  7. What is the temperature range for the 1N4984US diode's operation?

    • The 1N4984US diode is designed to operate within a temperature range of -65°C to 175°C, making it suitable for a wide range of environments.

  8. Does the 1N4984US diode require any special heat dissipation measures?

    • Depending on the application and operating conditions, the 1N4984US diode may benefit from appropriate heat sinking or thermal management to ensure optimal performance.

  9. Are there any recommended circuit protection techniques when using the 1N4984US diode?

    • It is advisable to incorporate additional circuit protection such as fuses, overvoltage protection devices, and transient voltage suppressors in conjunction with the 1N4984US diode for comprehensive system protection.

  10. Where can I find detailed application notes and guidelines for using the 1N4984US diode in technical solutions?

    • Detailed application notes and guidelines for the 1N4984US diode can be found in the manufacturer's datasheet, technical documentation, and application-specific reference designs.