2EZ4.3D2/TR12 Product Overview

Introduction

The 2EZ4.3D2/TR12 belongs to the category of semiconductor devices and is commonly used in electronic circuits for voltage regulation and protection. This entry provides a comprehensive 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: Semiconductor Devices
• Use: Voltage Regulation and Protection in Electronic Circuits
• Characteristics: Low Forward Voltage Drop, High Surge Capability
• Package: SOD-123 Package
• Essence: Zener Diode
• Packaging/Quantity: Available in Tape and Reel Packaging, Quantity Varies by Supplier

Specifications

• Voltage: 4.3V
• Power Dissipation: 1.25W
• Operating Temperature Range: -65°C to +150°C
• Storage Temperature Range: -65°C to +175°C
• Forward Voltage Drop: 1.1V at 200mA

Detailed Pin Configuration

The 2EZ4.3D2/TR12 has a standard SOD-123 package with two pins. The anode is connected to pin 1, and the cathode is connected to pin 2.

Functional Features

• Voltage Regulation: Provides stable output voltage under varying load conditions.
• Overvoltage Protection: Safeguards downstream components from excessive voltage spikes.
• Reverse Voltage Protection: Prevents damage due to reverse polarity connection.

Advantages and Disadvantages

Advantages

• Reliable Voltage Regulation
• High Surge Capability
• Compact SOD-123 Package

Disadvantages

• Limited Power Dissipation
• Sensitive to Overcurrent Conditions

Working Principles

The 2EZ4.3D2/TR12 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when operated in the reverse breakdown region. This allows it to regulate the voltage across a circuit.

Detailed Application Field Plans

The 2EZ4.3D2/TR12 is widely used in various electronic circuits, including: - Voltage Regulators - Power Supplies - Overvoltage Protection Circuits - Signal Clipping Circuits

Detailed and Complete Alternative Models

• Alternative Model 1: 2EZ5.1D2/TR12
• Alternative Model 2: 2EZ6.8D2/TR12
• Alternative Model 3: 2EZ8.2D2/TR12

These alternative models offer different zener voltages while sharing similar characteristics and package types.

In conclusion, the 2EZ4.3D2/TR12 is a crucial component in electronic circuits, providing reliable voltage regulation and protection. Its compact size and high surge capability make it suitable for various applications, although it has limitations in power dissipation and overcurrent sensitivity. Understanding its specifications, pin configuration, and alternatives is essential for effective circuit design and implementation.

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