SMBJ64A-HRA

Product Overview

The SMBJ64A-HRA belongs to the category of transient voltage suppressor diodes (TVS diodes) and is commonly used for surge protection in electronic circuits. These diodes are characterized by their ability to rapidly respond to overvoltage events, diverting excess current away from sensitive components. The SMBJ64A-HRA is typically packaged in a small surface-mount package and is available in various quantities to suit different application needs.

Basic Information

• Category: Transient Voltage Suppressor Diode
• Use: Surge protection in electronic circuits
• Characteristics: Rapid response, high current handling capability
• Package: Surface-mount package
• Essence: Overvoltage protection for sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging, quantities vary based on supplier

Specifications

• Voltage Rating: 64V
• Peak Pulse Power: 600W
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +175°C
• RoHS Compliance: Yes

Detailed Pin Configuration

The SMBJ64A-HRA TVS diode typically features a standard SMC (DO-214AB) package with two pins for surface mounting onto a printed circuit board. The pin configuration includes anode and cathode connections, which are essential for proper installation and functionality.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage events to protect downstream components.
• Fast Response Time: Rapid reaction to overvoltage conditions ensures minimal impact on the protected circuitry.
• Low Clamping Voltage: Limits the voltage across the protected circuit during a surge event, preventing damage.

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronic components
• Fast response time ensures minimal downtime during overvoltage events
• Compact surface-mount package for easy integration into circuit designs

Disadvantages

• Limited peak pulse power compared to higher-rated TVS diodes
• May require additional circuitry for comprehensive surge protection in high-power applications

Working Principles

The SMBJ64A-HRA operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage across its terminals exceeds the rated value. This action effectively diverts the surge energy away from the protected circuit, safeguarding it from damage.

Detailed Application Field Plans

The SMBJ64A-HRA finds extensive use in various electronic systems, including: - Telecommunication Equipment: Protects sensitive communication modules from lightning-induced surges. - Industrial Control Systems: Safeguards control circuitry from voltage transients caused by inductive loads. - Automotive Electronics: Provides surge protection for vehicle electronics against load dump events and other electrical disturbances.

Detailed and Complete Alternative Models

• SMBJ5.0A-HRA: 5V rating, suitable for low-voltage applications
• SMBJ24A-HRA: 24V rating, ideal for intermediate voltage protection
• SMBJ130A-HRA: 130V rating, suitable for higher voltage tolerance requirements

In conclusion, the SMBJ64A-HRA transient voltage suppressor diode offers effective surge protection for a wide range of electronic applications, making it a crucial component in ensuring the reliability and longevity of sensitive circuitry.

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