BZX85C18-TR: Product Overview and Analysis

Introduction

The BZX85C18-TR is a crucial component in the field of electronics, belonging to the category of Zener diodes. This entry will provide an in-depth analysis of the BZX85C18-TR, covering 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: Precise voltage regulation, low impedance, and high reliability
• Package: Axial leaded, DO-41
• Essence: Provides stable voltage reference for electronic circuits
• Packaging/Quantity: Typically available in reels or tubes with varying quantities

Specifications

• Voltage: 18V
• Power Dissipation: 1.3W
• Zener Impedance: 10Ω
• Operating Temperature Range: -65°C to +175°C
• Tolerance: ±5%

Detailed Pin Configuration

The BZX85C18-TR features a standard axial leaded package with two leads. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.

Functional Features

• Voltage Regulation: Maintains a constant voltage across the diode
• Overvoltage Protection: Safeguards sensitive components from voltage spikes
• Stability: Provides stable voltage reference over a wide temperature range

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Low impedance
• High reliability
• Compact size

Disadvantages

• Limited power dissipation capability
• Sensitive to temperature variations

Working Principles

The BZX85C18-TR operates based on the Zener effect, where it maintains a constant voltage drop across its terminals by allowing current to flow in reverse bias when the voltage reaches the breakdown voltage.

Detailed Application Field Plans

The BZX85C18-TR finds extensive applications in various electronic circuits, including: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Power supplies - Voltage reference circuits

Detailed and Complete Alternative Models

• BZX85C15-TR: 15V Zener diode with similar characteristics
• BZX85C20-TR: 20V Zener diode offering higher voltage regulation
• BZX85C12-TR: 12V Zener diode suitable for lower voltage applications

In conclusion, the BZX85C18-TR Zener diode plays a pivotal role in ensuring stable voltage regulation and protection in electronic circuits. Its precise characteristics, functional features, and diverse applications make it an indispensable component in the realm of electronics.

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