3EZ19D2/TR12 Product Overview

Introduction

The 3EZ19D2/TR12 is a semiconductor product that belongs to the category of voltage regulator diodes. This entry provides an in-depth overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Voltage Regulator Diode
• Use: The 3EZ19D2/TR12 is used for voltage regulation and protection in electronic circuits.
• Characteristics: It exhibits stable voltage regulation, low leakage current, and high reliability.
• Package: The product is typically available in a DO-41 package.
• Essence: It serves as a crucial component in maintaining stable voltage levels within electronic systems.
• Packaging/Quantity: The 3EZ19D2/TR12 is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Voltage Rating: 19V
• Power Dissipation: 1.5W
• Operating Temperature Range: -65°C to +175°C
• Forward Voltage Drop: 1.1V at 200mA
• Reverse Leakage Current: 5µA at 15V

Detailed Pin Configuration

The 3EZ19D2/TR12 follows a standard DO-41 package configuration, with two leads denoted as the anode and cathode.

Functional Features

• Voltage Regulation: The 3EZ19D2/TR12 effectively regulates voltage fluctuations, ensuring a stable output.
• Overvoltage Protection: It safeguards connected components from potential damage due to overvoltage conditions.
• Low Leakage: The diode maintains low reverse leakage current, enhancing overall circuit efficiency.

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Low forward voltage drop
• Compact form factor

Disadvantages

• Limited current handling capacity
• Sensitivity to temperature variations

Working Principles

The 3EZ19D2/TR12 operates based on the principle of Zener breakdown, where it maintains a constant voltage drop across its terminals, effectively regulating the output voltage.

Detailed Application Field Plans

The 3EZ19D2/TR12 finds extensive use in various electronic applications, including: - Voltage regulation in power supplies - Overvoltage protection in consumer electronics - Signal conditioning in sensor circuits

Detailed and Complete Alternative Models

• 3EZ18D2/TR12: Similar specifications with a slightly lower voltage rating
• 3EZ20D2/TR12: Comparable characteristics with a higher voltage rating
• BZX55C19: An alternative Zener diode with similar voltage regulation capabilities

In conclusion, the 3EZ19D2/TR12 is a vital component in electronic circuits, offering reliable voltage regulation and overvoltage protection. Its compact form factor and stable performance make it suitable for a wide range of applications, despite its limitations in current handling and temperature sensitivity.

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