SMAJ75A R3G

Product Overview

Category

SMAJ75A 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 up to 75V.
• Fast Response Time: Provides rapid response to voltage transients, safeguarding connected circuits.
• Compact Package: Typically available in a small, surface-mount package for easy integration into circuit designs.
• Robustness: Designed to withstand high-energy transients without degradation.

Package

The SMAJ75A R3G is commonly available in a DO-214AC (SMA) package.

Essence

The essence of SMAJ75A R3G lies in its ability to protect electronic circuits from voltage transients, ensuring the reliability and longevity of connected components.

Packaging/Quantity

It is often supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

• Peak Pulse Power: 400W
• Breakdown Voltage: 75V
• Operating Temperature Range: -55°C to +150°C
• Reverse Standoff Voltage: 64.3V
• Clamping Voltage: 103V

Detailed Pin Configuration

The SMAJ75A R3G typically features two pins in a standard DO-214AC (SMA) package configuration.

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: Rapid reaction to transient events, minimizing the risk of damage to sensitive electronics.

Advantages and Disadvantages

Advantages

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

Disadvantages

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

Working Principles

SMAJ75A R3G operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when a voltage transient occurs, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

Electronic Circuits

• Used in power supplies, communication equipment, and consumer electronics to safeguard against voltage spikes.

Automotive Electronics

• Integrated into automotive control units, infotainment systems, and safety modules to protect against electrical disturbances.

Industrial Equipment

• Employed in industrial automation systems, motor drives, and instrumentation to ensure reliable operation in the presence of voltage fluctuations.

Detailed and Complete Alternative Models

• SMAJ5.0A: Lower voltage variant for applications requiring protection up to 5V.
• SMAJ150A: Higher voltage variant suitable for applications with higher voltage tolerance requirements.

In conclusion, SMAJ75A 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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