Microsemi Corporation
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1N821AUR
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1N821AUR

Product Overview

Category

The 1N821AUR 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 6.2V
  • Low leakage current
  • Small package size

Package

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

Essence

The essence of the 1N821AUR lies in its ability to maintain a constant voltage across its terminals, making it suitable for various electronic applications.

Packaging/Quantity

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

Specifications

  • Reverse Breakdown Voltage: 6.2V
  • Power Dissipation: 500mW
  • Maximum Forward Voltage: 1.2V
  • Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

The 1N821AUR 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 varying temperature conditions

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Small form factor
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Vulnerable to overcurrent conditions

Working Principles

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

Detailed Application Field Plans

The 1N821AUR finds application in various electronic circuits, including: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N821AUR include: - 1N4733A - BZX55C6V2 - LM336Z-5.0

In conclusion, the 1N821AUR Zener diode offers precise voltage regulation and overvoltage protection in a small package, making it suitable for a wide range of electronic applications.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням 1N821AUR у технічних рішеннях

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

  1. What is 1N821AUR?

    • 1N821AUR is a Zener diode with a voltage rating of 6.2V and a power dissipation of 500mW.

  2. What are the typical applications of 1N821AUR?

    • 1N821AUR is commonly used as a voltage regulator in various electronic circuits, especially in low-power applications.

  3. How does 1N821AUR work as a voltage regulator?

    • 1N821AUR operates by maintaining a constant output voltage across its terminals, even when there are variations in the input voltage or load resistance.

  4. What are the key specifications of 1N821AUR?

    • The key specifications include its voltage rating, power dissipation, maximum forward current, and temperature coefficient.

  5. Can 1N821AUR be used in reverse-bias mode?

    • Yes, 1N821AUR can be used in reverse-bias mode to maintain a constant voltage across its terminals.

  6. What are the important considerations when designing with 1N821AUR?

    • It's important to consider the maximum power dissipation, operating temperature range, and the required tolerance for the regulated voltage.

  7. Is 1N821AUR suitable for high-frequency applications?

    • No, 1N821AUR is not typically suitable for high-frequency applications due to its inherent capacitance and response time.

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

    • Yes, multiple 1N821AUR diodes can be connected in series to achieve higher voltage ratings or in parallel to increase the current-handling capability.

  9. What are the potential failure modes of 1N821AUR?

    • Common failure modes include thermal runaway, excessive power dissipation, and breakdown due to overvoltage conditions.

  10. Are there any alternative components to 1N821AUR with similar characteristics?

    • Yes, other Zener diodes with comparable voltage ratings and power dissipation capabilities can serve as alternatives to 1N821AUR in certain applications.

I hope these questions and answers provide a good overview of the application of 1N821AUR in technical solutions! If you need further details on any specific question, feel free to ask.