1SMA40AT3G

Product Overview

The 1SMA40AT3G belongs to the category of TVS (Transient Voltage Suppressor) diodes. These diodes are used to protect sensitive electronics from voltage spikes and transient events. The 1SMA40AT3G is designed to provide robust overvoltage protection for various applications. It is characterized by its high surge capability, low clamping voltage, and compact package. The product is typically available in tape and reel packaging with a specific quantity per reel.

Specifications

• Peak Pulse Power: 400W
• Breakdown Voltage Range: 6.4V to 200V
• Operating Temperature Range: -55°C to +150°C
• Package Type: SMA

Detailed Pin Configuration

The 1SMA40AT3G typically features two pins, with the anode and cathode connections clearly labeled on the device's package. The pin configuration is standardized for easy integration into various circuit designs.

Functional Features

The 1SMA40AT3G provides effective protection against voltage transients by diverting excessive current away from sensitive components. Its fast response time ensures minimal disruption to the protected circuit during transient events.

Advantages and Disadvantages

Advantages

• High surge capability
• Low clamping voltage
• Compact package size

Disadvantages

• Limited breakdown voltage range compared to some alternative models
• Sensitive to reverse bias conditions

Working Principles

When a transient voltage spike occurs, the 1SMA40AT3G diode rapidly conducts excess current to ground, limiting the voltage across the protected circuit. This action helps prevent damage to sensitive electronic components.

Detailed Application Field Plans

The 1SMA40AT3G is commonly used in various electronic systems, including power supplies, communication equipment, automotive electronics, and industrial control systems. Its ability to handle high surge currents makes it suitable for applications where robust transient protection is essential.

Detailed and Complete Alternative Models

Some alternative models to the 1SMA40AT3G include the P6SMBJxxA series and the SMBJ5.0A. These alternatives offer different breakdown voltage ranges and may have varying package sizes, providing flexibility for different design requirements.

This comprehensive entry provides detailed information about the 1SMA40AT3G, covering its basic characteristics, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.