BZX84-B5V1/LF1R - Diode Encyclopedia Entry

Introduction

The BZX84-B5V1/LF1R is a diode belonging to the category of voltage regulator diodes. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Voltage Regulator Diode
• Use: The BZX84-B5V1/LF1R is commonly used in electronic circuits for voltage regulation and protection against voltage spikes.
• Characteristics: It has a low power dissipation and high efficiency, making it suitable for various low voltage applications.
• Package: SOT-23 package
• Essence: The essence of the BZX84-B5V1/LF1R lies in its ability to maintain a stable output voltage despite fluctuations in input voltage.
• Packaging/Quantity: Typically available in reels with quantities varying based on manufacturer specifications.

Specifications

• Voltage Rating: 5.1V
• Power Dissipation: 250mW
• Forward Current: 225mA
• Reverse Leakage Current: 100nA
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The BZX84-B5V1/LF1R typically has three pins: Anode, Cathode, and Gate. The anode is connected to the positive terminal, the cathode to the negative terminal, and the gate serves as the control terminal.

Functional Features

• Voltage Regulation: The diode maintains a constant output voltage despite variations in input voltage.
• Overvoltage Protection: It protects the circuit from damage due to excessive voltage spikes.
• Low Power Dissipation: It operates efficiently with minimal power loss.

Advantages and Disadvantages

Advantages

• Provides stable output voltage
• Offers overvoltage protection
• Low power dissipation

Disadvantages

• Limited to low voltage applications
• May require additional components for complex circuit designs

Working Principles

The BZX84-B5V1/LF1R operates based on the principle of zener breakdown. When the input voltage exceeds the zener voltage (5.1V), the diode conducts current, effectively regulating the output voltage.

Detailed Application Field Plans

The BZX84-B5V1/LF1R finds extensive use in various low voltage applications such as: - Voltage regulators in portable electronic devices - Overvoltage protection in sensor circuits - Signal conditioning in communication systems

Detailed and Complete Alternative Models

Some alternative models to the BZX84-B5V1/LF1R include: - BZX84-C5V1: Similar characteristics with a different package type - BZT52C5V1S: Higher power dissipation capability - MMBZ5242B: Slightly lower zener voltage rating

In conclusion, the BZX84-B5V1/LF1R is a crucial component in low voltage circuit design, offering stable voltage regulation and overvoltage protection. Its specifications, functional features, and application field plans make it a versatile choice for various electronic applications.

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