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1N973A

1N973A Semiconductor Diode

Product Overview

Category:

The 1N973A is a semiconductor diode belonging to the category of small-signal diodes.

Use:

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

Characteristics:

  • Forward Voltage Drop: Typically around 0.7V
  • Maximum Reverse Voltage: 75V
  • Maximum Forward Current: 200mA
  • Fast Switching Speed

Package:

The 1N973A is typically available in a DO-35 glass axial package.

Packaging/Quantity:

It is usually supplied in reels or bulk packaging with quantities varying from hundreds to thousands per reel or box.

Specifications

  • Forward Voltage Drop: 0.65V - 0.75V
  • Reverse Voltage: 75V
  • Forward Current: 200mA
  • Reverse Recovery Time: <4ns
  • Operating Temperature Range: -65°C to 175°C

Detailed Pin Configuration

The 1N973A has two pins, an anode, and a cathode. In the DO-35 package, the anode is denoted by a band at one end of the diode.

Functional Features

The 1N973A exhibits low forward voltage drop, fast switching speed, and high reliability, making it suitable for various small-signal applications.

Advantages

  • Low forward voltage drop reduces power dissipation.
  • Fast switching speed allows for rapid signal processing.
  • High reliability ensures consistent performance over time.

Disadvantages

  • Limited maximum reverse voltage compared to other diodes.
  • Relatively low maximum forward current handling capability.

Working Principles

The 1N973A operates based on the principles of semiconductor physics, utilizing the properties of P-N junctions to allow current flow in one direction while blocking it in the reverse direction.

Detailed Application Field Plans

Signal Demodulation

The 1N973A can be used in AM radio receivers for demodulating the modulated signal to extract the original audio information.

Voltage Regulation

In low-power voltage regulator circuits, the 1N973A can be employed to provide stable voltage output.

Rectification

It is commonly used in rectifier circuits to convert alternating current (AC) to direct current (DC).

Detailed and Complete Alternative Models

  • 1N914: A general-purpose small-signal diode with similar characteristics.
  • 1N4148: Another widely used small-signal diode suitable for similar applications.

In conclusion, the 1N973A semiconductor diode is a versatile component with applications in signal demodulation, voltage regulation, and rectification. Its low forward voltage drop, fast switching speed, and reliability make it a popular choice for small-signal circuit designs.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van 1N973A in technische oplossingen

Sure, here are 10 common questions and answers related to the application of 1N973A in technical solutions:

  1. What is the 1N973A diode used for?

    • The 1N973A diode is commonly used for general-purpose rectification and switching applications.
  2. What is the maximum forward current rating of the 1N973A diode?

    • The maximum forward current rating of the 1N973A diode is typically around 200 mA.
  3. What is the maximum reverse voltage rating of the 1N973A diode?

    • The maximum reverse voltage rating of the 1N973A diode is usually around 100 V.
  4. Can the 1N973A diode be used for low-frequency signal detection?

    • Yes, the 1N973A diode can be used for low-frequency signal detection due to its fast switching characteristics.
  5. Is the 1N973A diode suitable for high-temperature environments?

    • The 1N973A diode has a moderate temperature range and may not be suitable for extremely high-temperature environments.
  6. What are the typical applications of the 1N973A diode?

    • Typical applications of the 1N973A diode include rectification, freewheeling, and clamping circuits in various electronic devices.
  7. Does the 1N973A diode have a fast recovery time?

    • Yes, the 1N973A diode has a relatively fast recovery time, making it suitable for high-speed switching applications.
  8. Can the 1N973A diode handle surge currents?

    • The 1N973A diode can handle moderate surge currents, but care should be taken to stay within its specified limits.
  9. What are the key electrical characteristics of the 1N973A diode?

    • The key electrical characteristics of the 1N973A diode include its forward voltage drop, reverse leakage current, and maximum power dissipation.
  10. Are there any specific precautions to consider when using the 1N973A diode in a circuit?

    • It's important to consider the operating temperature, maximum current, and voltage ratings to ensure proper and reliable performance of the 1N973A diode in a circuit.