SMBG4747A/TR13

Introduction

The SMBG4747A/TR13 is a semiconductor product belonging to the category of voltage regulator diodes. This device is commonly used in electronic circuits to regulate voltage and protect sensitive components from overvoltage conditions. The following entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the SMBG4747A/TR13.

Basic Information Overview

• Category: Voltage Regulator Diode
• Use: Voltage regulation and overvoltage protection in electronic circuits
• Characteristics: Low leakage current, high surge capability, compact package
• Package: SMB (Surface Mount Device) package
• Essence: Regulating voltage and protecting electronic components
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Voltage Rating: 20V
• Power Dissipation: 600W
• Operating Temperature Range: -65°C to +150°C
• Storage Temperature Range: -65°C to +175°C
• Forward Voltage Drop: 0.3V at 1A
• Reverse Standoff Voltage: 17.8V
• Breakdown Voltage: 19.8V

Detailed Pin Configuration

The SMBG4747A/TR13 has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

• Overvoltage Protection: Safeguards connected components from excessive voltage
• Voltage Regulation: Maintains a stable output voltage under varying input conditions
• Fast Response Time: Rapidly clamps voltage spikes to protect downstream circuitry

Advantages and Disadvantages

Advantages

• Compact Size: Suitable for space-constrained applications
• High Surge Capability: Can withstand transient voltage spikes
• Low Leakage Current: Minimizes power loss in standby mode

Disadvantages

• Limited Voltage Range: Not suitable for applications requiring higher voltage regulation
• Thermal Considerations: May require heat sinking in high-power applications

Working Principles

The SMBG4747A/TR13 operates based on the principle of Zener breakdown. When the voltage across the diode exceeds its breakdown voltage, it begins conducting, effectively clamping the voltage to a safe level. This action protects downstream components from damage due to overvoltage conditions.

Detailed Application Field Plans

The SMBG4747A/TR13 finds extensive use in various electronic applications, including: - Power Supplies - Consumer Electronics - Automotive Electronics - Industrial Control Systems - Telecommunications Equipment

Detailed and Complete Alternative Models

Several alternative models with similar characteristics and performance include: - SMBG4747B/TR13: Higher voltage rating variant - SMBG4746A/TR13: Lower voltage rating variant - SMBG4748A/TR13: Higher power dissipation variant - SMBG4747A-TP/TR13: Tape and reel packaging variant

In summary, the SMBG4747A/TR13 is a vital component in electronic circuits, providing voltage regulation and overvoltage protection. Its compact size, high surge capability, and low leakage current make it suitable for a wide range of applications, while alternative models offer flexibility to meet specific design requirements.

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