BZX84C4V7W-7-F: Product Overview and Analysis

Introduction

The BZX84C4V7W-7-F is a voltage regulator diode belonging to the category of semiconductor devices. This component is widely used in electronic circuits for voltage regulation and protection against overvoltage conditions. In this entry, we will provide an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the BZX84C4V7W-7-F.

Basic Information Overview

• Category: Semiconductor Devices
• Use: Voltage Regulation and Overvoltage Protection
• Characteristics: Low forward voltage drop, high surge capability, and precise voltage regulation
• Package: SOT-323
• Essence: Voltage Regulator Diode
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage Rating: 4.7V
• Power Dissipation: 250mW
• Forward Voltage Drop: 0.9V at 10mA
• Reverse Leakage Current: 5µA
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The BZX84C4V7W-7-F has three pins arranged in the SOT-323 package. Pin 1 is the cathode, pin 2 is the common terminal, and pin 3 is the anode.

Functional Features

• Voltage Regulation: The diode maintains a constant voltage drop across its terminals, providing stable output voltage.
• Overvoltage Protection: It protects the circuit from excessive voltage by conducting when the voltage exceeds the specified level.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Compact SOT-323 package
• High surge capability

Disadvantages

• Limited power dissipation capability
• Sensitivity to temperature variations

Working Principles

The BZX84C4V7W-7-F operates based on the principle of Zener breakdown. When the voltage across its terminals exceeds the rated value, it starts conducting to maintain a constant voltage drop, thereby regulating the output voltage.

Detailed Application Field Plans

The BZX84C4V7W-7-F finds extensive use in various electronic applications, including: - Voltage regulators in power supplies - Overvoltage protection in consumer electronics - Signal conditioning circuits in communication systems

Detailed and Complete Alternative Models

Some alternative models to the BZX84C4V7W-7-F include: - BZX84C3V6W-7-F (3.6V rating) - BZX84C5V1W-7-F (5.1V rating) - BZX84C6V8W-7-F (6.8V rating)

In conclusion, the BZX84C4V7W-7-F is a crucial component in electronic circuits, offering precise voltage regulation and overvoltage protection. Its compact package and functional features make it suitable for a wide range of applications.

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