BZT55C4V7 L1G

Introduction

The BZT55C4V7 L1G is a zener diode belonging to the category of semiconductor devices. 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: Semiconductor device
• Use: Voltage regulation and protection in electronic circuits
• Characteristics: Zener voltage of 4.7V, low leakage current, high reliability
• Package: SOD-80 (MiniMELF)
• Essence: Zener diode for voltage regulation
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

• Zener Voltage: 4.7V
• Power Dissipation: 500mW
• Forward Voltage: 1.2V
• Reverse Current: 5μA
• Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The BZT55C4V7 L1G zener diode has two pins, with the cathode connected to the marked side of the package and the anode connected to the unmarked side.

Functional Features

• Voltage Regulation: Maintains a constant output voltage under varying load conditions
• Overvoltage Protection: Safeguards sensitive components in electronic circuits from excessive voltage
• Stability: Provides stable voltage references for precision applications

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Low leakage current
• High reliability
• Compact package size

Disadvantages

• Limited power dissipation capability
• Susceptible to thermal runaway at high currents

Working Principles

The BZT55C4V7 L1G operates based on the principle of the zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased. This allows it to regulate voltage in electronic circuits and protect against overvoltage conditions.

Detailed Application Field Plans

The BZT55C4V7 L1G finds extensive use in various electronic applications, including: - Voltage regulators in power supplies - Overvoltage protection in sensor circuits - Voltage reference in precision measurement equipment - Signal clamping and limiting in communication systems

Detailed and Complete Alternative Models

• BZX84C4V7: SOT-23 packaged zener diode with similar characteristics
• 1N4732A: Axial lead zener diode with 4.7V rating
• MM3Z4V7T1G: SOD-323 packaged zener diode offering comparable performance

In conclusion, the BZT55C4V7 L1G zener diode serves as a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and stable characteristics make it suitable for a wide range of applications.

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