SMBG4745CE3/TR13

Introduction

The SMBG4745CE3/TR13 is a semiconductor product belonging to the category of voltage suppressor diodes. This device is commonly used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes and transients. The SMBG4745CE3/TR13 exhibits specific characteristics, comes in a particular package, and has unique specifications that make it suitable for various applications.

Basic Information Overview

• Category: Voltage Suppressor Diode
• Use: Transient voltage suppression in electronic circuits
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: SMB (DO-214AA)
• Essence: Protection of sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Part Number: SMBG4745CE3/TR13
• Voltage Rating: 16.7V
• Power Dissipation: 1.5W
• Operating Temperature Range: -55°C to +150°C
• Breakdown Voltage: 18.6V
• Peak Pulse Current: 10A
• Reverse Standoff Voltage: 15V

Detailed Pin Configuration

The SMBG4745CE3/TR13 follows the standard pin configuration for SMB package diodes, with two pins for connection to the circuit board.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the circuit.
• High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact SMB package for space-constrained designs

Disadvantages

• Limited power dissipation capability compared to larger diode packages
• Higher cost compared to standard rectifier diodes

Working Principles

The SMBG4745CE3/TR13 operates based on the principle of avalanche breakdown, where it rapidly conducts when the voltage across it exceeds the breakdown voltage. This action effectively diverts excess current away from sensitive components, protecting them from damage.

Detailed Application Field Plans

The SMBG4745CE3/TR13 finds application in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Model 1: SMBG4763CE3/TR13
  • Similar specifications and package, higher breakdown voltage
• Alternative Model 2: SMBG4778CE3/TR13
  • Comparable characteristics, lower clamping voltage
• Alternative Model 3: SMBG4789CE3/TR13
  • Higher power dissipation, similar surge capability

In conclusion, the SMBG4745CE3/TR13 is a vital component in electronic circuit protection, offering efficient transient voltage suppression and fast response times. Its compact size and high surge capability make it suitable for a wide range of applications, ensuring the integrity of sensitive electronic systems.

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