1SMA4750TR - Product Overview and Specifications

Introduction

The 1SMA4750TR is a diode belonging to the category of surface mount transient voltage suppressors (TVS). These devices are widely used in electronic circuits to protect sensitive components from voltage spikes and transients. The 1SMA4750TR is specifically designed to provide robust protection against transient overvoltage conditions.

Basic Information Overview

• Category: Surface Mount Transient Voltage Suppressor (TVS)
• Use: Protection against transient overvoltage conditions
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: SMA package
• Essence: Provides reliable protection for sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Peak Pulse Power: 500W
• Breakdown Voltage Range: 11V to 58V
• Operating Temperature Range: -55°C to +150°C
• Reverse Standoff Voltage: 9.4V to 51.1V
• Maximum Clamping Voltage: Vc = 15.6V at 19.2A
• RoHS Compliant: Yes

Detailed Pin Configuration

The 1SMA4750TR typically features a standard SMA package with two pins for surface mounting onto a printed circuit board. The pin configuration includes anode and cathode connections for easy integration into electronic circuits.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltages to a safe level
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on downstream components
• High Surge Capability: Able to withstand high surge currents without degradation

Advantages and Disadvantages

Advantages

• Reliable protection for sensitive electronic components
• Fast response time ensures minimal impact on circuit operation
• RoHS compliant, making it suitable for environmentally conscious applications

Disadvantages

• Limited to specific voltage ranges, may require multiple models for broader protection coverage
• Sensitive to reverse polarity connection, requiring careful handling during installation

Working Principles

The 1SMA4750TR operates based on the principle of avalanche breakdown. When a transient overvoltage occurs, the diode rapidly conducts, diverting excess current away from sensitive components. This action effectively limits the voltage across the protected circuit.

Detailed Application Field Plans

The 1SMA4750TR is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• 1SMA4748TR: Similar TVS diode with lower breakdown voltage
• 1SMA4751TR: Similar TVS diode with higher breakdown voltage
• 1SMAJ4763TR: TVS diode with higher peak pulse power rating

In conclusion, the 1SMA4750TR is a reliable and efficient TVS diode that provides essential protection against transient overvoltage conditions in a wide range of electronic applications.

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