Microsemi Corporation
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1N4728AUR
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1N4728AUR

Product Overview

Category

The 1N4728AUR belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 3.3V
  • Power dissipation: 1.0W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C
  • Storage temperature range: -65°C to +200°C

Package

The 1N4728AUR is typically available in a DO-41 package.

Essence

This Zener diode is essential for maintaining stable voltage levels in various electronic applications.

Packaging/Quantity

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

Specifications

  • Zener voltage: 3.3V
  • Power dissipation: 1.0W
  • Maximum forward voltage: 1.2V
  • Reverse current: 5μA
  • Temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4728AUR has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Voltage regulation: Maintains a constant output voltage.
  • Overvoltage protection: Safeguards sensitive components from excessive voltage.

Advantages

  • Precise voltage regulation
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Susceptible to thermal runaway under certain conditions

Working Principles

The 1N4728AUR operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

This Zener diode finds extensive use in: - Voltage regulators - Power supplies - Signal clamping circuits - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4728AUR include: - 1N4727AUR (Zener voltage: 3.0V) - 1N4729AUR (Zener voltage: 3.6V) - BZX55C3V3 (Zener voltage: 3.3V)

In summary, the 1N4728AUR Zener diode is a crucial component for voltage regulation and protection in electronic circuits, offering precise control over voltage levels while being compact and versatile. Its working principles, advantages, and disadvantages make it suitable for a wide range of applications, and there are alternative models available to suit specific requirements.

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기술 솔루션에 1N4728AUR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the voltage rating of 1N4728AUR?

    • The voltage rating of 1N4728AUR is 3.3 volts.

  2. What type of diode is 1N4728AUR?

    • 1N4728AUR is a Zener diode, specifically a 3.3V silicon planar power Zener diode.

  3. What are the typical applications of 1N4728AUR?

    • Typical applications include voltage regulation, overvoltage protection, and voltage reference in various electronic circuits.

  4. What is the maximum power dissipation of 1N4728AUR?

    • The maximum power dissipation is 1.0 watt.

  5. What is the operating temperature range for 1N4728AUR?

    • The operating temperature range is -65°C to +175°C.

  6. What is the forward voltage drop of 1N4728AUR?

    • The forward voltage drop is typically 1.2V at 200mA.

  7. How does 1N4728AUR behave in reverse bias?

    • In reverse bias, it exhibits the Zener effect, maintaining a nearly constant voltage across its terminals.

  8. Can 1N4728AUR be used for voltage regulation in power supplies?

    • Yes, it can be used for voltage regulation in low-power applications.

  9. What is the package type of 1N4728AUR?

    • It comes in a DO-41 axial leaded package.

  10. What are the key differences between 1N4728AUR and other Zener diodes?

    • The main difference lies in their voltage ratings and power dissipation capabilities, which determine their specific applications in technical solutions.