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1N4728 G
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1N4728 G - Semiconductor Diode

Basic Information Overview

  • Category: Semiconductor Diode
  • Use: Voltage Regulation
  • Characteristics: Zener diode, reverse breakdown voltage of 3.3V, low impedance, high reliability
  • Package: DO-41
  • Essence: Regulating voltage in electronic circuits
  • Packaging/Quantity: Typically sold in reels of 1000 units

Specifications

  • Voltage: 3.3V
  • Power Dissipation: 1.0W
  • Operating Temperature: -65°C to +200°C
  • Forward Voltage: 1.2V
  • Reverse Current: 5μA

Detailed Pin Configuration

The 1N4728 G has two pins, anode and cathode, with the cathode being marked by a band on the body of the diode.

Functional Features

  • Zener Effect: Exhibits the Zener effect, allowing it to maintain a constant voltage across its terminals.
  • Voltage Regulation: Provides stable voltage regulation in electronic circuits.
  • Low Impedance: Offers low impedance characteristics for efficient performance.

Advantages and Disadvantages

  • Advantages:
    • Reliable voltage regulation
    • Low impedance
    • High reliability
  • Disadvantages:
    • Limited voltage options
    • Sensitivity to temperature variations

Working Principles

The 1N4728 G operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased.

Detailed Application Field Plans

This diode is commonly used in voltage regulator circuits, surge suppressors, and as a reference element in voltage calibration systems.

Detailed and Complete Alternative Models

  • 1N4728A: 3.3V Zener diode
  • 1N4728B: 3.3V Zener diode with different power dissipation
  • 1N4728C: 3.3V Zener diode with alternative packaging

This information provides a comprehensive overview of the 1N4728 G semiconductor diode, including its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

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技術ソリューションにおける 1N4728 G の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the 1N4728 G diode used for?

    • The 1N4728 G diode is commonly used as a voltage regulator in various technical solutions.

  2. What is the maximum forward voltage of the 1N4728 G diode?

    • The maximum forward voltage of the 1N4728 G diode is typically around 1.0 volts.

  3. What is the maximum reverse voltage of the 1N4728 G diode?

    • The maximum reverse voltage of the 1N4728 G diode is 20 volts.

  4. What is the power dissipation of the 1N4728 G diode?

    • The power dissipation of the 1N4728 G diode is approximately 1.0 watt.

  5. What are the typical applications of the 1N4728 G diode?

    • The 1N4728 G diode is commonly used in voltage regulation, overvoltage protection, and general purpose rectification.

  6. What is the operating temperature range of the 1N4728 G diode?

    • The operating temperature range of the 1N4728 G diode is usually -65°C to +175°C.

  7. What is the peak forward surge current of the 1N4728 G diode?

    • The peak forward surge current of the 1N4728 G diode is typically around 50 amperes.

  8. Can the 1N4728 G diode be used in automotive applications?

    • Yes, the 1N4728 G diode can be used in automotive applications due to its rugged construction and reliability.

  9. Is the 1N4728 G diode RoHS compliant?

    • Yes, the 1N4728 G diode is generally RoHS compliant, making it suitable for use in environmentally conscious designs.

  10. What are the key electrical characteristics of the 1N4728 G diode?

    • The key electrical characteristics include a nominal zener voltage of 3.3 volts, a test current of 76 mA, and a dynamic resistance of 5 ohms.