Microsemi Corporation
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1N4473US
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1N4473US

Product Overview

  • Category: Semiconductor
  • Use: Voltage regulator diode
  • Characteristics: High reliability, low voltage drop, small package size
  • Package: DO-41
  • Essence: Regulates voltage in electronic circuits
  • Packaging/Quantity: Typically available in reels of 500 or 1000 units

Specifications

  • Voltage: 5.6V
  • Current: 1W
  • Tolerance: ±5%

Detailed Pin Configuration

The 1N4473US is a two-pin device with an anode and a cathode.

Functional Features

  • Provides a constant voltage output
  • Protects sensitive components from voltage spikes
  • Low forward voltage drop

Advantages

  • High reliability
  • Small package size
  • Low voltage drop

Disadvantages

  • Limited current handling capability
  • May require heat sinking in high power applications

Working Principles

The 1N4473US operates by shunting excess current when the voltage across it exceeds its rated value, thereby regulating the voltage in the circuit.

Detailed Application Field Plans

  • Used in power supplies
  • Overvoltage protection in electronic circuits
  • Voltage regulation in consumer electronics

Detailed and Complete Alternative Models

  • 1N4148: General purpose diode
  • 1N4001: Rectifier diode
  • 1N5819: Schottky diode

This information provides a comprehensive overview of the 1N4473US, including its category, use, characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4473US v technických řešeních

  1. What is 1N4473US?

    • 1N4473US is a silicon rectifier diode commonly used in technical solutions for converting alternating current (AC) to direct current (DC).

  2. What are the key specifications of 1N4473US?

    • The 1N4473US diode has a maximum repetitive peak reverse voltage of 200V, a maximum average forward rectified current of 4A, and a forward voltage drop of around 1V.

  3. How is 1N4473US typically used in technical solutions?

    • 1N4473US is often used in power supply circuits, battery chargers, and other applications where AC needs to be converted to DC.

  4. What are the important considerations when using 1N4473US in a circuit?

    • It's crucial to consider the maximum voltage and current requirements of the circuit, as well as the thermal characteristics of the diode to ensure proper heat dissipation.

  5. Can 1N4473US be used in high-frequency applications?

    • No, 1N4473US is not suitable for high-frequency applications due to its relatively slow recovery time.

  6. Are there any common failure modes associated with 1N4473US?

    • Overheating due to excessive current or voltage, as well as reverse voltage breakdown, are common failure modes to be aware of.

  7. What are some alternative diodes that can be used in place of 1N4473US?

    • Alternatives include 1N400x series diodes, which have similar voltage and current ratings, or higher performance diodes such as Schottky diodes for faster switching applications.

  8. How should 1N4473US be mounted in a circuit?

    • Proper heat sinking and mounting on a suitable substrate are important to ensure the diode operates within its temperature limits.

  9. Can 1N4473US be used in automotive applications?

    • Yes, 1N4473US can be used in automotive applications, but it's important to ensure it meets the necessary temperature and reliability standards.

  10. Where can I find detailed application notes for using 1N4473US in technical solutions?

    • Detailed application notes can often be found in the datasheet provided by the manufacturer, as well as in technical reference manuals for power supply and rectification circuits.