BZX85C3V3 Diode Encyclopedia Entry

Introduction

The BZX85C3V3 diode is a crucial component in electronic circuits, providing voltage regulation and protection. This encyclopedia entry will provide a comprehensive overview of the BZX85C3V3 diode, including its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

• Category: Diode
• Use: Voltage regulation and protection
• Characteristics: Zener diode, 3.3V breakdown voltage, low impedance, high reliability
• Package: Axial leaded, DO-41 package
• Essence: Voltage regulation and transient voltage suppression
• Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

• Breakdown Voltage: 3.3V
• Power Dissipation: 1.3W
• Forward Voltage: 1.5V
• Reverse Leakage Current: 5μA
• Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

The BZX85C3V3 diode has an axial leaded package with two leads. The cathode is typically marked with a band around one end of the diode body.

Functional Features

• Voltage Regulation: Maintains a constant output voltage under varying input conditions.
• Transient Voltage Suppression: Protects sensitive components from voltage spikes and transients.

Advantages

• Stable Voltage Output: Ensures consistent performance in electronic circuits.
• Reliable Protection: Safeguards against voltage surges and transients.

Disadvantages

• Power Dissipation Limitations: May require heat sinking for high-power applications.
• Limited Breakdown Voltage Options: Available only in specific voltage ratings.

Working Principles

The BZX85C3V3 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at the specified breakdown voltage.

Detailed Application Field Plans

The BZX85C3V3 diode finds extensive use in various electronic applications, including: - Voltage regulation in power supplies - Overvoltage protection in consumer electronics - Signal clamping in communication systems - Surge suppression in industrial equipment

Detailed and Complete Alternative Models

Several alternative models to the BZX85C3V3 diode include: - 1N4728A (3.3V Zener diode) - BZT52C3V3 (3.3V SMD Zener diode) - LM336Z-3.3 (3.3V precision reference diode)

In conclusion, the BZX85C3V3 diode serves as a critical component in electronic circuits, offering stable voltage regulation and transient voltage suppression. Its characteristics, specifications, and application versatility make it an essential part of modern electronic designs.

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