BZX84C20-E3-18

Introduction

The BZX84C20-E3-18 is a semiconductor product belonging to the category of Zener diodes. It is commonly used for voltage regulation and protection in various electronic circuits. 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 BZX84C20-E3-18.

Basic Information Overview

• Category: Zener Diode
• Use: Voltage regulation and protection in electronic circuits
• Characteristics: Low power dissipation, high reliability, precise voltage regulation
• Package: SOT-23 (SMD)
• Essence: Semiconductor device for maintaining a stable voltage across a load
• Packaging/Quantity: Typically available in reels with varying quantities

Specifications

• Voltage: 20V
• Power Dissipation: 250mW
• Zener Voltage Tolerance: ±5%
• Operating Temperature Range: -65°C to +150°C
• Storage Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The BZX84C20-E3-18 typically has three pins: Anode, Cathode, and No Connection (NC). The pinout configuration is as follows: - Anode (A) - Pin 1 - Cathode (K) - Pin 2 - No Connection (NC) - Pin 3

Functional Features

• Precise voltage regulation at 20V
• Reverse-biased operation for protection against voltage spikes
• Low leakage current
• Fast response time

Advantages and Disadvantages

Advantages

• Small form factor
• High reliability
• Accurate voltage regulation
• Wide operating temperature range

Disadvantages

• Limited power dissipation capability
• Vulnerable to thermal runaway under certain conditions

Working Principles

The BZX84C20-E3-18 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse biased. This allows it to regulate the voltage across a load, providing protection against overvoltage conditions.

Detailed Application Field Plans

The BZX84C20-E3-18 finds extensive use in various applications, including: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting - Voltage reference in precision instruments

Detailed and Complete Alternative Models

Some alternative models to the BZX84C20-E3-18 include: - BZX84C10-E3-18 (10V Zener voltage) - BZX84C30-E3-18 (30V Zener voltage) - BZX84C5V6-E3-18 (5.6V Zener voltage)

In summary, the BZX84C20-E3-18 Zener diode is a crucial component in electronic circuits, offering precise voltage regulation and protection. Its small form factor and reliable performance make it suitable for a wide range of applications.

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