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1N821AUR-1
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1N821AUR-1 Encyclopedia Entry

Product Overview

Category

The 1N821AUR-1 belongs to the category of semiconductor devices, specifically a Zener diode.

Use

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

Characteristics

  • Voltage regulation capability
  • Reverse breakdown voltage of 5.6V
  • Low leakage current
  • Small package size

Package

The 1N821AUR-1 is typically available in a small surface-mount package.

Essence

The essence of the 1N821AUR-1 lies in its ability to maintain a constant voltage across its terminals when operated in the reverse breakdown region.

Packaging/Quantity

It is often supplied in reels or tubes containing multiple units, with quantities varying based on manufacturer specifications.

Specifications

  • Reverse Breakdown Voltage: 5.6V
  • Power Dissipation: 500mW
  • Maximum Forward Voltage: 1.2V
  • Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

The 1N821AUR-1 typically has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Voltage regulation
  • Overvoltage protection
  • Stability in temperature variations

Advantages

  • Precise voltage regulation
  • Small form factor
  • Low leakage current

Disadvantages

  • Limited power dissipation capability
  • Restricted current handling capacity

Working Principles

The 1N821AUR-1 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage drop across its terminals when operated in the reverse breakdown region.

Detailed Application Field Plans

The 1N821AUR-1 finds application in various electronic circuits such as voltage regulators, overvoltage protection circuits, and precision voltage references.

Detailed and Complete Alternative Models

Some alternative models to the 1N821AUR-1 include the 1N4734A, 1N5226B, and BZX55C5V6, each with similar voltage regulation characteristics and package sizes.

This comprehensive entry provides detailed information about the 1N821AUR-1, covering its category, use, characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, offering valuable insights into this semiconductor device.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 1N821AUR-1 i tekniska lösningar

Sure, here are 10 common questions and answers related to the application of 1N821AUR-1 in technical solutions:

  1. What is the 1N821AUR-1 diode used for?

    • The 1N821AUR-1 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the maximum voltage rating of the 1N821AUR-1?

    • The maximum voltage rating of the 1N821AUR-1 is typically around 6.8 volts.

  3. How does the 1N821AUR-1 provide voltage regulation?

    • The 1N821AUR-1 operates in the reverse-biased breakdown region, maintaining a nearly constant voltage drop across its terminals.

  4. Can the 1N821AUR-1 be used for overvoltage protection?

    • Yes, the 1N821AUR-1 can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.

  5. What is the power dissipation rating of the 1N821AUR-1?

    • The power dissipation rating of the 1N821AUR-1 is typically around 500 milliwatts.

  6. Is the 1N821AUR-1 suitable for low-power applications?

    • Yes, the 1N821AUR-1 is suitable for low-power applications due to its relatively low power dissipation.

  7. What are the typical operating temperatures for the 1N821AUR-1?

    • The 1N821AUR-1 is designed to operate within a temperature range of -65°C to 200°C.

  8. Can multiple 1N821AUR-1 diodes be connected in series or parallel?

    • Yes, multiple 1N821AUR-1 diodes can be connected in series to increase the breakdown voltage or in parallel to increase the current-handling capacity.

  9. What are some common applications of the 1N821AUR-1 in technical solutions?

    • Common applications include voltage regulation in power supplies, overvoltage protection in electronic circuits, and reference voltage generation.

  10. Are there any special considerations when using the 1N821AUR-1 in high-frequency circuits?

    • In high-frequency circuits, the parasitic capacitance of the 1N821AUR-1 should be taken into account to avoid unintended effects on circuit performance.

I hope these questions and answers are helpful for your technical solutions involving the 1N821AUR-1 diode!