SMA5J8.5HE3/61

Product Overview

Category

The SMA5J8.5HE3/61 belongs to the category of semiconductor devices, specifically a type of TVS (Transient Voltage Suppressor) diode.

Use

It is primarily used for surge protection in electronic circuits and systems, safeguarding against transient voltage spikes and surges.

Characteristics

• Voltage Suppression: Capable of suppressing high voltage transients.
• Fast Response Time: Provides rapid response to transient events.
• Compact Package: Small form factor suitable for integration into various electronic designs.
• Robustness: Designed to withstand high surge currents and maintain performance.

Package

The SMA5J8.5HE3/61 is typically available in a surface-mount package, making it suitable for automated assembly processes.

Essence

The essence of this product lies in its ability to protect sensitive electronic components from voltage surges, ensuring the reliability and longevity of electronic systems.

Packaging/Quantity

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

Specifications

• Peak Pulse Power: 5000 W
• Standoff Voltage: 8.5 V
• Breakdown Voltage: 9.4 V
• Clamping Voltage: 14.5 V
• Operating Temperature Range: -55°C to 150°C
• Package Type: SMA

Detailed Pin Configuration

The SMA5J8.5HE3/61 typically features two pins for surface-mount soldering onto a printed circuit board. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Provides protection by diverting excessive current away from sensitive components during voltage surges.
• Low Clamping Voltage: Ensures that the clamping voltage remains within safe limits, preventing damage to downstream electronics.
• Fast Response Time: Rapid reaction to transient events, minimizing the risk of damage to connected devices.

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronic components.
• Compact size for easy integration into circuit designs.
• Fast response time ensures quick protection during transient events.

Disadvantages

• May require careful consideration of placement and routing to optimize effectiveness.
• Limited to specific voltage and power ratings, necessitating selection based on application requirements.

Working Principles

The SMA5J8.5HE3/61 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the breakdown voltage, thereby protecting downstream components from damage.

Detailed Application Field Plans

The SMA5J8.5HE3/61 finds extensive use in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Automotive Electronics: Safeguarding vehicle electronics from voltage transients. - Industrial Control Systems: Ensuring the reliability of control and monitoring electronics in industrial environments.

Detailed and Complete Alternative Models

• SMAJ8.5A: Similar TVS diode with slightly different electrical characteristics.
• SMA6J8.5A: Higher power handling capability while maintaining the same standoff voltage.
• SMBJ8.5A: Alternative package type with similar electrical characteristics.

In conclusion, the SMA5J8.5HE3/61 serves as a crucial component in protecting electronic systems from transient voltage events, offering effective surge suppression and fast response times. Its compact design and robust performance make it a valuable asset in various applications, ensuring the reliability and longevity of electronic equipment.

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