Microsemi Corporation
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1N4722
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1N4722 Diode

Product Overview

Category:

The 1N4722 is a silicon planar power Zener diode.

Use:

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

Characteristics:

  • Forward Voltage: 1.2V
  • Power Dissipation: 1.3W
  • Zener Voltage: 4.7V
  • Operating Temperature Range: -65°C to +200°C

Package:

The 1N4722 is available in various packages including DO-41, SOD-123, and SMA.

Essence:

The essence of the 1N4722 diode lies in its ability to provide stable and reliable voltage regulation.

Packaging/Quantity:

The 1N4722 is typically available in reels or bulk packaging with quantities ranging from hundreds to thousands per reel.

Specifications

  • Maximum Zener Impedance: 20Ω
  • Reverse Leakage Current: 5μA
  • Maximum Surge Current: 50A

Detailed Pin Configuration

The 1N4722 has two pins, anode and cathode, with the anode being the positive terminal and the cathode being the negative terminal.

Functional Features

  • Voltage Regulation: The 1N4722 provides a constant voltage output when reverse biased.
  • Stability: It offers stable voltage regulation over a wide range of temperatures and currents.

Advantages

  • Precise Voltage Regulation: The 1N4722 maintains a constant voltage output, making it suitable for precision electronic circuits.
  • Wide Operating Temperature Range: It can operate in extreme temperature conditions, making it versatile for various applications.

Disadvantages

  • Power Dissipation Limitation: The maximum power dissipation of 1.3W may limit its use in high-power applications.
  • Voltage Tolerance: The voltage tolerance of the 1N4722 may not be suitable for applications requiring extremely tight voltage regulation.

Working Principles

The 1N4722 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased, allowing it to regulate voltage in electronic circuits.

Detailed Application Field Plans

The 1N4722 is widely used in: - Voltage Regulator Circuits - Overvoltage Protection Circuits - Voltage Reference Circuits - Signal Clipping Circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4722 include: - 1N4733 (Zener Voltage: 5.1V) - 1N4740 (Zener Voltage: 10V) - BZX55C4V7 (Zener Voltage: 4.7V)

In conclusion, the 1N4722 diode is a reliable and widely used component for voltage regulation and reference applications, offering stable performance and versatility in various electronic circuits.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4722 v technických řešeních

Sure, here are 10 common questions and answers related to the application of 1N4722 in technical solutions:

  1. What is the 1N4722 diode used for?

    • The 1N4722 is a zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the voltage rating of the 1N4722 diode?

    • The 1N4722 has a nominal zener voltage of 3.3 volts.

  3. How does the 1N4722 diode regulate voltage?

    • The 1N4722 conducts current in reverse bias when the voltage across it reaches its zener voltage, effectively regulating the voltage at that level.

  4. Can the 1N4722 be used for overvoltage protection?

    • Yes, the 1N4722 can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.

  5. What is the power rating of the 1N4722 diode?

    • The 1N4722 typically has a power dissipation rating of 1 watt.

  6. What are typical applications of the 1N4722 diode?

    • Typical applications include voltage regulation in power supplies, overvoltage protection, and voltage reference circuits.

  7. What is the maximum current the 1N4722 can handle?

    • The maximum current for the 1N4722 is typically around 38 mA.

  8. Can multiple 1N4722 diodes be connected in series or parallel?

    • Yes, multiple 1N4722 diodes can be connected in series to increase the total zener voltage or in parallel to increase the current handling capacity.

  9. What are the temperature considerations for the 1N4722 diode?

    • The 1N4722 operates within a specified temperature range, typically from -65°C to 200°C.

  10. Are there any precautions to consider when using the 1N4722 diode?

    • It's important to ensure that the maximum power dissipation and current ratings are not exceeded, and to observe proper polarity when connecting the diode in a circuit.