Microsemi Corporation
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1N821A, SEL. 1% VBR
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1N821A, SEL. 1% VBR

Product Overview

Category

The 1N821A, SEL. 1% VBR belongs to the category of voltage reference diodes.

Use

It is commonly used as a precision voltage reference in electronic circuits and systems.

Characteristics

  • Precision voltage regulation with a tolerance of 1%
  • Stable output voltage over a wide temperature range
  • Low dynamic impedance
  • High reliability and long-term stability

Package

The 1N821A is typically available in a small, hermetically sealed glass package.

Essence

The essence of the 1N821A lies in its ability to provide a stable and accurate reference voltage for various electronic applications.

Packaging/Quantity

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

Specifications

  • Voltage Reference: 6.2V
  • Tolerance: ±1%
  • Power Dissipation: 500mW
  • Operating Temperature Range: -55°C to 125°C
  • Forward Voltage: 1.5V (max) at 10mA

Detailed Pin Configuration

The 1N821A typically has two pins, with the anode and cathode connections clearly labeled.

Functional Features

  • Precise voltage regulation
  • Wide operating temperature range
  • Low power consumption
  • Fast response time

Advantages and Disadvantages

Advantages

  • High precision
  • Reliable performance
  • Wide temperature range operation

Disadvantages

  • Limited current handling capability
  • Sensitive to reverse voltage

Working Principles

The 1N821A operates based on the zener effect, where it maintains a constant voltage drop across its terminals, providing a stable reference voltage.

Detailed Application Field Plans

The 1N821A finds application in various fields including: - Precision voltage regulators - Analog and digital circuitry - Instrumentation and measurement equipment - Sensor interfaces

Detailed and Complete Alternative Models

Some alternative models to the 1N821A include: - 1N823A - 1N825A - LM4040CIM3-5.0/NOPB - LT1461ACS8-5

In conclusion, the 1N821A, SEL. 1% VBR is a precision voltage reference diode that offers stable and accurate voltage regulation for a wide range of electronic applications. Its high precision, reliability, and wide temperature range make it a popular choice in various industries.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق 1N821A, SEL. 1% VBR في الحلول التقنية

Sure, here are 10 common questions and answers related to the application of 1N821A, SEL. 1% VBR in technical solutions:

  1. What is the 1N821A, SEL. 1% VBR used for?

    • The 1N821A, SEL. 1% VBR is a voltage reference diode commonly used as a stable reference voltage source in various electronic circuits.

  2. What is the typical voltage breakdown (VBR) of the 1N821A?

    • The typical voltage breakdown (VBR) of the 1N821A is 6.2 volts.

  3. What is the tolerance of the 1N821A, SEL. 1% VBR?

    • The 1N821A has a tolerance of 1%, meaning its output voltage can vary by up to 1% from the specified value.

  4. How should I connect the 1N821A in my circuit?

    • The 1N821A can be connected in parallel with a resistor to form a stable voltage reference circuit.

  5. What are the typical applications of the 1N821A, SEL. 1% VBR?

    • Typical applications include precision voltage regulators, analog-to-digital converters, and other precision measurement equipment.

  6. What is the temperature coefficient of the 1N821A?

    • The temperature coefficient of the 1N821A is typically low, ensuring minimal voltage drift over a wide temperature range.

  7. Can the 1N821A be used in high-temperature environments?

    • Yes, the 1N821A is designed to operate reliably in high-temperature environments, making it suitable for industrial and automotive applications.

  8. What is the maximum current that the 1N821A can handle?

    • The 1N821A can handle a maximum current of around 10 mA, but it's best to consult the datasheet for specific details.

  9. How stable is the output voltage of the 1N821A over time?

    • The 1N821A offers excellent long-term stability, making it suitable for applications requiring precise and stable voltage references.

  10. Are there any precautions to consider when using the 1N821A?

    • It's important to ensure proper heat dissipation and avoid exceeding the maximum power dissipation to maintain the reliability and accuracy of the device.

I hope these questions and answers provide the information you were looking for! If you have any more specific questions, feel free to ask.