SMAJ20A R3G

Product Overview

Category

SMAJ20A 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 reaction to voltage spikes ensures effective protection.
• Compact Size: Small form factor for easy integration into circuit designs.

Package

The SMAJ20A R3G typically comes in a surface-mount package, making it suitable for modern PCB assembly processes.

Essence

The essence of SMAJ20A R3G lies in its ability to safeguard electronic circuits from voltage transients, ensuring reliable operation and longevity of electronic devices.

Packaging/Quantity

It is commonly available in reels containing a quantity of 3000 units per reel.

Specifications

• Part Number: SMAJ20A R3G
• Peak Pulse Power: 400W
• Breakdown Voltage: 20V
• Operating Temperature Range: -55°C to +150°C
• Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ20A R3G features a standard DO-214AC (SMA) package with two pins. Pin 1 is the anode, while pin 2 serves as the cathode.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Low Clamping Voltage: Ensures that the protected circuit operates within safe voltage limits.
• Fast Reaction Time: Rapid response to transient events minimizes the risk of damage to sensitive electronics.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Compact size for easy integration
• Fast response time

Disadvantages

• Limited to specific voltage ranges
• May require additional circuitry for comprehensive surge protection

Working Principles

SMAJ20A R3G operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the breakdown voltage, thereby diverting the transient energy away from the protected circuit.

Detailed Application Field Plans

Consumer Electronics

• Used in smartphones, tablets, and laptops to protect charging circuits from voltage spikes.

Industrial Automation

• Integrated into control systems to safeguard sensitive electronics from power line disturbances.

Automotive Electronics

• Employed in vehicle electronics to shield against voltage surges caused by alternator load dumps and other transient events.

Detailed and Complete Alternative Models

• P6KE20CA: Similar transient voltage suppressor with a 20V breakdown voltage.
• 1.5SMC20A: Surface-mount device offering comparable transient voltage suppression capabilities.

In conclusion, SMAJ20A R3G serves as a crucial component in protecting electronic circuits from voltage transients, finding applications across various industries and electronic devices.

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