SMA5J40A-M3/5A

Product Overview

Category

The SMA5J40A-M3/5A belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in various electronic circuits and systems to safeguard against transient voltage spikes.

Characteristics

• Voltage Suppression: Capable of suppressing high voltage transients.
• Fast Response Time: Provides quick response to transient events.
• Low Clamping Voltage: Ensures minimal impact on the protected circuit.
• High Surge Current Capability: Can handle high surge currents effectively.

Package

The SMA5J40A-M3/5A is available in a compact SMA package, which facilitates easy integration into circuit designs.

Essence

The essence of SMA5J40A-M3/5A lies in its ability to protect sensitive electronic components from voltage surges, thereby enhancing the reliability and longevity of electronic devices.

Packaging/Quantity

The product is typically packaged in reels or trays, with varying quantities based on customer requirements.

Specifications

• Peak Pulse Power: 5000 W
• Standoff Voltage: 40 V
• Breakdown Voltage: 44.4 V
• Clamping Voltage: 64.5 V
• Operating Temperature Range: -55°C to +150°C
• Package Type: SMA

Detailed Pin Configuration

The SMA5J40A-M3/5A features a standard SMA package with two pins for easy soldering onto circuit boards.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuit.
• High Surge Current Handling: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against transient voltage events.
• Fast response time ensures minimal impact on the circuit.
• Compact package for easy integration.

Disadvantages

• May require additional circuitry for comprehensive surge protection in complex systems.
• Limited to specific voltage and current ratings.

Working Principles

The SMA5J40A-M3/5A operates based on the principle of avalanche breakdown, where it rapidly conducts excess current during transient voltage events, thereby diverting the surge away from sensitive components.

Detailed Application Field Plans

The SMA5J40A-M3/5A finds extensive application in various fields, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Automotive Electronics: Safeguarding vehicle electronics from voltage transients. - Industrial Control Systems: Ensuring reliable operation of industrial automation equipment.

Detailed and Complete Alternative Models

• SMA6J40A: Similar TVS diode with higher peak pulse power rating.
• SMA5J33A: Lower standoff voltage variant for specific applications.
• SMAJ40CA: Bidirectional TVS diode for symmetrical surge protection.

In conclusion, the SMA5J40A-M3/5A serves as a crucial component in protecting electronic circuits from transient voltage events, offering fast response and high surge current handling capabilities. Its compact design and robust performance make it an essential choice for various applications across different industries.

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