SMBJ45CE3/TR13

Product Overview

The SMBJ45CE3/TR13 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 SMBJ45CE3/TR13 is typically packaged in a compact, surface-mount design, making it suitable for various applications where space is limited. Each package contains a specific quantity of diodes, providing users with flexibility in their design and implementation.

Specifications

• Voltage Rating: 45V
• Power Dissipation: 600W
• Package Type: DO-214AA (SMB)
• Operating Temperature Range: -55°C to 150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMBJ45CE3/TR13 features a standard DO-214AA (SMB) package with two pins. Pin 1 is the cathode, while pin 2 is the anode.

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 device during a transient event, safeguarding against potential damage.

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronic components.
• Compact surface-mount package for space-constrained applications.
• RoHS compliant, meeting environmental standards.

Disadvantages

• Limited to a maximum voltage rating of 45V, may not be suitable for higher voltage applications.
• Higher power dissipation models may be required for more demanding environments.

Working Principles

The SMBJ45CE3/TR13 operates based on the principle of avalanche breakdown, where it responds to overvoltage conditions by conducting excess current and limiting the voltage across the protected circuit. This rapid response helps prevent damage to sensitive components by diverting the transient energy away from the system.

Detailed Application Field Plans

The SMBJ45CE3/TR13 finds extensive use in various applications, including: - Telecommunications: Protects sensitive communication equipment from voltage surges. - Consumer Electronics: Safeguards integrated circuits and other electronic components in consumer devices. - Automotive Electronics: Provides surge protection for automotive control systems and infotainment units.

Detailed and Complete Alternative Models

• SMBJ5.0A: 5.0V TVS diode with similar characteristics but lower voltage rating.
• SMBJ15CA: 15V TVS diode offering intermediate protection for electronic circuits.
• SMBJ100A: 100V TVS diode for applications requiring higher voltage handling capabilities.

In conclusion, the SMBJ45CE3/TR13 transient voltage suppressor diode offers effective surge protection in a compact, surface-mount package. Its fast response time, low clamping voltage, and suitability for diverse applications make it a valuable component in electronic circuit protection.

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