1SMA40CAT3

Product Overview

Category

The 1SMA40CAT3 belongs to the category of semiconductor devices, specifically a type of diode.

Use

This product is commonly used for voltage regulation and transient voltage suppression in electronic circuits.

Characteristics

• Voltage Regulation: The 1SMA40CAT3 provides stable voltage regulation within specified limits.
• Transient Voltage Suppression: It effectively suppresses transient voltage spikes to protect sensitive electronic components.
• High Reliability: Designed for long-term and reliable operation in various applications.

Package

The 1SMA40CAT3 is typically available in a surface-mount package, which facilitates easy integration onto circuit boards.

Essence

The essence of this product lies in its ability to regulate and suppress voltage transients, ensuring the protection and reliability of electronic systems.

Packaging/Quantity

It is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Maximum Reverse Standoff Voltage: 40V
• Breakdown Voltage: 44.4V
• Peak Pulse Power Dissipation: 400W
• Operating Temperature Range: -55°C to +150°C
• Package Type: SMA

Detailed Pin Configuration

The 1SMA40CAT3 typically features two pins, with the anode and cathode connections clearly labeled for easy integration into circuit designs.

Functional Features

• Voltage Regulation: Provides stable voltage output under varying load conditions.
• Transient Voltage Suppression: Effectively clamps transient voltage spikes to protect downstream components.
• Fast Response Time: Rapid response to voltage transients ensures minimal impact on connected circuits.

Advantages and Disadvantages

Advantages

• Effective voltage regulation and transient suppression
• Compact surface-mount package
• High reliability and durability

Disadvantages

• Limited maximum reverse standoff voltage
• May require additional components for comprehensive overvoltage protection

Working Principles

The 1SMA40CAT3 operates based on the principles of Zener diode voltage regulation and avalanche breakdown for transient voltage suppression. When subjected to excessive voltage, it rapidly conducts to limit the voltage across the protected circuit.

Detailed Application Field Plans

The 1SMA40CAT3 finds extensive use in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• 1SMA36CAT3: Lower reverse standoff voltage variant
• 1SMA48CAT3: Higher reverse standoff voltage variant
• 1SMA40A: Similar specifications with different package type

In conclusion, the 1SMA40CAT3 serves as a crucial component in electronic systems, providing essential voltage regulation and transient voltage suppression capabilities. Its compact design and reliable performance make it a preferred choice for diverse applications.

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