BZX84B47-E3-08

Introduction

The BZX84B47-E3-08 is a zener diode that belongs to the category of voltage regulator diodes. This component is commonly used in electronic circuits to regulate voltage and protect sensitive components from overvoltage. In this entry, we will provide an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the BZX84B47-E3-08.

Basic Information Overview

• Category: Voltage Regulator Diode
• Use: Voltage regulation and protection in electronic circuits
• Characteristics: Zener diode, low leakage current, high reliability
• Package: SOT-23
• Essence: Regulating voltage and providing overvoltage protection
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Voltage - Zener (Nom) (Vz): 47V
• Power - Max: 250mW
• Impedance (Max) (Zzt): 20 Ohm
• Current - Reverse Leakage @ Vr: 100nA @ 36V
• Tolerance: ±5%
• Operating Temperature: -65°C to 150°C

Detailed Pin Configuration

The BZX84B47-E3-08 zener diode typically has three pins: 1. Cathode (K): Connected to the ground or reference voltage. 2. Anode (A): Connected to the input voltage. 3. No Connection (NC): Not internally connected.

Functional Features

• Voltage Regulation: Maintains a constant output voltage across the diode.
• Overvoltage Protection: Diverts excess voltage away from sensitive components.
• Low Leakage Current: Minimizes power loss and improves efficiency.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited power dissipation capability
• Sensitivity to temperature variations

Working Principles

The BZX84B47-E3-08 operates based on the principle of the zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased. When the voltage across the diode reaches its breakdown voltage, it conducts current to regulate the voltage.

Detailed Application Field Plans

The BZX84B47-E3-08 is widely used in various electronic applications, including: - Voltage regulation in power supplies - Overvoltage protection in sensor circuits - Signal clamping in communication systems - Voltage reference in precision measurement equipment

Detailed and Complete Alternative Models

Some alternative models to the BZX84B47-E3-08 include: - BZX84C47-E3-08: Similar characteristics with a slightly different breakdown voltage. - BZX84B33-E3-08: Lower breakdown voltage for different voltage regulation requirements. - BZX84B56-E3-08: Higher breakdown voltage for applications needing higher voltage protection.

In conclusion, the BZX84B47-E3-08 zener diode is a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size, reliability, and cost-effectiveness make it a popular choice in various applications.

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