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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