Microsemi Corporation
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1N4748AUR
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1N4748AUR

Product Overview

Category

The 1N4748AUR belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and voltage reference applications.

Characteristics

  • Zener voltage: 22V
  • Power dissipation: 1.0W
  • Package: DO-41
  • Essence: Silicon Zener Diode
  • Packaging/Quantity: Tape & Reel (1000 pieces)

Specifications

  • Zener Voltage: 22V
  • Power Dissipation: 1.0W
  • Operating Temperature: -65°C to +200°C
  • Forward Voltage: 1.2V
  • Reverse Current: 5μA

Detailed Pin Configuration

The 1N4748AUR has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Precise voltage regulation
  • Low impedance
  • High reliability

Advantages

  • Stable voltage reference
  • Wide operating temperature range
  • Small form factor

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1N4748AUR operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

This Zener diode is widely used in voltage regulator circuits, overvoltage protection, and voltage reference applications in various electronic devices and systems.

Detailed and Complete Alternative Models

Some alternative models to the 1N4748AUR include: - 1N4733A - 1N4734A - 1N4735A - 1N4736A

In conclusion, the 1N4748AUR Zener diode offers precise voltage regulation and finds extensive use in electronic circuits requiring stable voltage references and overvoltage protection.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4748AUR en soluciones técnicas

Sure, here are 10 common questions and answers related to the application of 1N4748AUR in technical solutions:

  1. What is the 1N4748AUR diode used for?

    • The 1N4748AUR is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the breakdown voltage of the 1N4748AUR?

    • The breakdown voltage of the 1N4748AUR is 22 volts.

  3. How does the 1N4748AUR function as a voltage regulator?

    • The 1N4748AUR conducts current in reverse-bias at its breakdown voltage, effectively regulating the voltage across the circuit.

  4. Can the 1N4748AUR be used for overvoltage protection?

    • Yes, the 1N4748AUR can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.

  5. What is the power rating of the 1N4748AUR?

    • The 1N4748AUR has a power dissipation rating of 1 watt.

  6. In what type of circuits is the 1N4748AUR commonly used?

    • The 1N4748AUR is commonly used in voltage regulator circuits, power supplies, and voltage reference applications.

  7. What are the temperature considerations for the 1N4748AUR?

    • The 1N4748AUR has a maximum operating temperature of 200°C, making it suitable for a wide range of environments.

  8. Can multiple 1N4748AUR diodes be connected in series or parallel?

    • Yes, multiple 1N4748AUR diodes can be connected in series to increase the breakdown voltage or in parallel to increase the current-handling capacity.

  9. What are the typical applications where the 1N4748AUR is not recommended?

    • The 1N4748AUR is not recommended for high-frequency applications due to its inherent capacitance and response time.

  10. Are there any specific layout considerations when using the 1N4748AUR in a circuit?

    • It's important to minimize the length of the traces connecting the 1N4748AUR to other components to reduce parasitic inductance and maintain stability in the circuit.

I hope these questions and answers provide a comprehensive understanding of the application of 1N4748AUR in technical solutions. Let me know if you need further assistance!