BZX85C33 Diode Encyclopedia Entry

Introduction

The BZX85C33 diode is a crucial component in electronic circuits, belonging to the category of Zener diodes. This entry provides an overview of the BZX85C33 diode, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Zener diode
• Use: Voltage regulation and protection in electronic circuits
• Characteristics: Reverse breakdown voltage of 33V, low impedance, high reliability
• Package: Axial leaded package
• Essence: Semiconductor device for voltage regulation
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Reverse Breakdown Voltage (Vz): 33V
• Power Dissipation (Ptot): 1.3W
• Operating Temperature Range: -65°C to +175°C
• Zener Impedance (ZZ): 5Ω maximum at IZT
• Maximum Surge Current: 40A

Detailed Pin Configuration

The BZX85C33 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
• Protection: Safeguards sensitive components from voltage spikes and surges
• Stability: Provides stable voltage references in precision circuits

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• High reliability and stability
• Low impedance

Disadvantages

• Limited power dissipation capability
• Sensitivity to temperature variations

Working Principles

The BZX85C33 diode operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at its specified breakdown voltage.

Detailed Application Field Plans

The BZX85C33 diode finds extensive use in various electronic applications, including: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Voltage reference in precision measurement equipment

Detailed and Complete Alternative Models

• BZX85C30: 30V reverse breakdown voltage
• BZX85C36: 36V reverse breakdown voltage
• BZX85C39: 39V reverse breakdown voltage
• 1N4728A: Comparable 33V Zener diode

In conclusion, the BZX85C33 diode is a vital component in electronic circuits, providing precise voltage regulation and protection. Its characteristics, specifications, and working principles make it suitable for a wide range of applications, while alternative models offer flexibility in design choices.

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