BZX85C20 - Diode Encyclopedia Entry

Introduction

The BZX85C20 is a diode belonging to the category of Zener diodes. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the BZX85C20 diode.

Basic Information Overview

• Category: Zener diode
• Use: Voltage regulation and protection in electronic circuits
• Characteristics:
  • Reverse voltage: 20V
  • Power dissipation: 1.3W
  • Tolerance: ±5%
• Package: Axial leaded
• Essence: Provides a stable reference voltage for various electronic applications
• Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

• Voltage (Vz): 20V
• Power Dissipation (Ptot): 1.3W
• Tolerance: ±5%
• Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The BZX85C20 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

• Provides a stable voltage reference
• Protects circuits from overvoltage conditions
• Suitable for voltage regulation in various electronic applications

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• High power dissipation capability
• Wide operating temperature range

Disadvantages

• Limited voltage options compared to other Zener diodes
• Sensitive to temperature variations

Working Principles

The BZX85C20 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at its specified voltage.

Detailed Application Field Plans

The BZX85C20 is commonly used in the following applications: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Voltage reference in sensor circuits

Detailed and Complete Alternative Models

Some alternative models to the BZX85C20 diode include: - BZX85C18: 18V Zener diode - BZX85C22: 22V Zener diode - BZX85C24: 24V Zener diode

In conclusion, the BZX85C20 Zener diode offers precise voltage regulation and overvoltage protection in electronic circuits, making it a valuable component in various applications.

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