BZX84C4V3-G3-18

Introduction

The BZX84C4V3-G3-18 is a voltage regulator diode belonging to the category of semiconductor devices. It is commonly used in electronic circuits for voltage regulation and protection against voltage spikes.

Basic Information Overview

• Category: Semiconductor device
• Use: Voltage regulation and protection
• Characteristics: Low power loss, high efficiency
• Package: SOT-23
• Essence: Regulating voltage and protecting circuits
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Voltage: 4.3V
• Power Dissipation: 250mW
• Forward Current: 225mA
• Reverse Leakage Current: 5μA
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The BZX84C4V3-G3-18 has three pins: anode, cathode, and no connection (NC). The anode is connected to the positive terminal of the circuit, the cathode to the negative terminal, and the NC pin is left unconnected.

Functional Features

• Voltage Regulation: The diode regulates the voltage across the circuit, maintaining it at 4.3V.
• Overvoltage Protection: It protects the circuit from damage due to voltage spikes or surges.

Advantages and Disadvantages

Advantages

• Small form factor
• Low power loss
• High efficiency

Disadvantages

• Limited current handling capacity
• Vulnerable to thermal stress

Working Principles

The BZX84C4V3-G3-18 operates based on the principle of Zener breakdown. When the voltage across the diode exceeds its rated value, it conducts heavily, effectively clamping the voltage to the specified level.

Detailed Application Field Plans

The BZX84C4V3-G3-18 finds applications in various electronic circuits, including: - Voltage regulators in power supplies - Overvoltage protection in consumer electronics - Signal conditioning circuits

Detailed and Complete Alternative Models

Some alternative models to the BZX84C4V3-G3-18 include: - BZX84C3V9-G3-18 - BZX84C4V7-G3-18 - BZX84C5V1-G3-18

In summary, the BZX84C4V3-G3-18 is a crucial component in electronic circuits, providing voltage regulation and protection against voltage spikes. Its compact size and efficient operation make it a popular choice in various applications.

Word Count: 324