BZX85C4V3 Diode Encyclopedia Entry

Introduction

The BZX85C4V3 diode is a crucial component in electronic circuits, providing voltage regulation and protection. This encyclopedia entry will provide an in-depth overview of the BZX85C4V3 diode, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The BZX85C4V3 diode belongs to the category of Zener diodes, which are widely used for voltage regulation and transient suppression in electronic circuits.

Basic Information Overview

• Use: Voltage regulation and transient suppression
• Characteristics: Zener diode with a 4.3V nominal voltage
• Package: Axial leaded package
• Essence: Provides stable voltage reference and protection
• Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

• Nominal Voltage: 4.3V
• Power Dissipation: 1.3W
• Forward Voltage: 1.2V
• Reverse Leakage Current: 5μA
• Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

The BZX85C4V3 diode has a standard axial leaded package with two leads. The cathode is typically marked with a band on the body of the diode.

Functional Features

• Provides stable voltage regulation at 4.3V
• Offers protection against voltage spikes and transients
• Low reverse leakage current ensures minimal power loss

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Robust transient suppression capability
• Wide operating temperature range

Disadvantages

• Limited power dissipation capability compared to higher wattage diodes
• Sensitive to excessive current and voltage levels

Working Principles

The BZX85C4V3 diode operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse-biased. This allows it to regulate voltage and clamp transient overvoltage conditions.

Detailed Application Field Plans

The BZX85C4V3 diode finds extensive use in various electronic applications, including: - Voltage regulators in power supplies - Overvoltage protection in communication systems - Signal clamping in audio and video circuits - Voltage reference in precision measurement instruments

Detailed and Complete Alternative Models

• BZX85C3V9: Zener diode with a 3.9V nominal voltage
• BZX85C4V7: Zener diode with a 4.7V nominal voltage
• BZX85C5V1: Zener diode with a 5.1V nominal voltage
• BZX85C6V2: Zener diode with a 6.2V nominal voltage

In conclusion, the BZX85C4V3 diode is a vital component in electronic circuits, offering precise voltage regulation and transient suppression capabilities. Its unique characteristics and wide range of applications make it an essential part of modern electronic designs.

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