ON Semiconductor
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1N4728ATR
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1N4728ATR

Product Overview

Category

The 1N4728ATR belongs to the category of semiconductor diodes.

Use

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

Characteristics

  • Forward Voltage: 1.0V
  • Reverse Voltage: 20V
  • Power Dissipation: 1.0W
  • Operating Temperature: -65°C to +200°C

Package

The 1N4728ATR is typically available in a DO-41 package.

Essence

This diode serves as a crucial component in electronic devices, ensuring proper voltage regulation and rectification.

Packaging/Quantity

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

Specifications

  • Part Number: 1N4728ATR
  • Type: Zener Diode
  • Voltage - Zener (Nom): 3.3V
  • Tolerance: ±5%
  • Power - Max: 1W
  • Configuration: Single
  • Mounting Type: Through Hole
  • Package / Case: DO-204AL, DO-41, Axial
  • Supplier Device Package: DO-41

Detailed Pin Configuration

The 1N4728ATR features a standard axial lead configuration with the anode connected to one end and the cathode to the other.

Functional Features

The 1N4728ATR acts as a voltage regulator, maintaining a constant output voltage under varying input conditions. It also provides protection against voltage spikes and surges.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Cost-effective

Disadvantages

  • Limited power dissipation capability
  • Susceptible to thermal runaway under high current conditions

Working Principles

The 1N4728ATR operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at its specified breakdown voltage.

Detailed Application Field Plans

The 1N4728ATR finds extensive use in various applications, including: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting

Detailed and Complete Alternative Models

Some alternative models to the 1N4728ATR include: - 1N4733A - BZX55C3V3 - 1N5226B

In conclusion, the 1N4728ATR plays a vital role in electronic circuits, providing stable voltage regulation and protection. Its compact size and cost-effectiveness make it a popular choice for various applications, despite its limitations in power dissipation and thermal management.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4728ATR v technických řešeních

  1. What is the voltage rating of 1N4728ATR?

    • The voltage rating of 1N4728ATR is 3.3 volts.

  2. What type of diode is 1N4728ATR?

    • 1N4728ATR is a Zener diode, specifically a 3.3V silicon planar power Zener diode.

  3. What are the typical applications of 1N4728ATR?

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

  4. What is the maximum power dissipation of 1N4728ATR?

    • The maximum power dissipation is 1.0 watt.

  5. What is the operating temperature range for 1N4728ATR?

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

  6. What is the forward voltage drop of 1N4728ATR?

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

  7. How does 1N4728ATR behave in reverse bias?

    • In reverse bias, 1N4728ATR exhibits the Zener effect, maintaining a nearly constant voltage across its terminals.

  8. Can 1N4728ATR be used for voltage regulation in power supplies?

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

  9. What is the tolerance of the voltage output for 1N4728ATR?

    • The tolerance is typically ±5%.

  10. Is 1N4728ATR suitable for automotive electronics applications?

    • Yes, it is suitable for certain automotive electronics applications, particularly those requiring voltage regulation or transient voltage suppression.