SMAJ43A R3G

Product Overview

Category

SMAJ43A R3G belongs to the category of electronic components, specifically within the realm of semiconductor devices.

Use

This product is primarily used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes and surges.

Characteristics

• Voltage Suppression: Capable of suppressing transient voltages to protect downstream components.
• Fast Response Time: Rapid response to voltage transients to prevent damage.
• Compact Size: Small form factor for easy integration into circuit designs.
• Robust Packaging: Designed to withstand environmental stresses and mechanical damage.

Package

The SMAJ43A R3G is typically available in a surface-mount package, making it suitable for automated assembly processes.

Essence

The essence of SMAJ43A R3G lies in its ability to safeguard electronic circuits from voltage fluctuations, ensuring reliable operation and longevity of electronic devices.

Packaging/Quantity

The product is commonly available in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Voltage Rating: 43V
• Peak Pulse Power: 400W
• Operating Temperature Range: -55°C to +150°C
• Breakdown Voltage: 47.8V minimum
• Clamping Voltage: 77.4V maximum at 10A

Detailed Pin Configuration

The SMAJ43A R3G typically features two pins for surface-mount soldering onto printed circuit boards. The pin configuration may vary slightly based on the manufacturer's specifications.

Functional Features

• Transient Voltage Suppression: Provides protection against voltage spikes and surges.
• Low Clamping Voltage: Ensures that the protected circuitry is not subjected to excessive voltages.
• Fast Response Time: Rapid reaction to transient events, minimizing the risk of damage to sensitive components.

Advantages

• Effective protection against voltage transients.
• Compact size for easy integration into circuit designs.
• Wide operating temperature range for versatility in various environments.

Disadvantages

• Limited to specific voltage ratings, requiring careful selection for different applications.
• May exhibit some leakage current under certain conditions.

Working Principles

SMAJ43A R3G operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage across it exceeds the breakdown voltage, thereby diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

The SMAJ43A R3G is commonly utilized in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• P6KE43CA: Similar transient voltage suppressor with a 43V rating.
• 1.5SMC43CA: Surface-mount device offering comparable transient voltage suppression capabilities.

In conclusion, SMAJ43A R3G serves as a crucial component in protecting electronic circuits from voltage transients, offering a balance of performance, size, and reliability.

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