SMAJ120-E3/5A

Product Overview

Category

The SMAJ120-E3/5A 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 safeguard connected components.
• Fast Response Time: Rapid response to voltage transients, ensuring minimal impact on the protected circuitry.
• Compact Package: Small form factor for easy integration into various electronic designs.
• Robustness: Designed to withstand high-energy transients without degradation.

Package

The SMAJ120-E3/5A is typically available in a surface-mount package, offering ease of installation and compatibility with modern PCB designs.

Essence

The essence of this product lies in its ability to provide reliable protection against transient voltage events, thereby enhancing the longevity and reliability of electronic systems.

Packaging/Quantity

The SMAJ120-E3/5A is commonly supplied in reels or tubes, with quantities varying based on manufacturer specifications. Typical quantities range from hundreds to thousands per reel/tube.

Specifications

• Part Number: SMAJ120-E3/5A
• Peak Pulse Power: 400W
• Breakdown Voltage: 120V
• Clamping Voltage: 193V
• Operating Temperature Range: -55°C to 150°C
• Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ120-E3/5A features a standard DO-214AC (SMA) package with two pins. Pin 1 is the cathode, while pin 2 serves as the anode.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Low Clamping Voltage: Ensures that the protected circuitry is exposed to minimal voltage during transient events.
• Fast Response Time: Swift reaction to transient events, minimizing the risk of damage to sensitive electronics.

Advantages and Disadvantages

Advantages

• Reliable transient voltage protection
• Fast response time
• Compact form factor for easy integration

Disadvantages

• Limited to specific voltage ratings
• May require additional components for comprehensive surge protection in complex systems

Working Principles

The SMAJ120-E3/5A operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when subjected to a transient voltage event, diverting the energy away from the protected circuitry.

Detailed Application Field Plans

The SMAJ120-E3/5A finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• P6KE120CA: Similar peak power and breakdown voltage ratings
• 1.5SMC120CA: Higher peak pulse power rating
• SMBJ120A: Lower profile package design

In conclusion, the SMAJ120-E3/5A serves as a crucial component in safeguarding electronic systems against transient voltage events, offering reliable protection and fast response times. Its compact form factor and robust characteristics make it a preferred choice for diverse applications across various industries.

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