SMBJ45-E3/52

Product Overview

The SMBJ45-E3/52 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 clamp transient overvoltage events, thereby protecting sensitive components from damage. The SMBJ45-E3/52 is available in a compact package and is designed to provide efficient and reliable protection against voltage transients.

Basic Information

• Category: Transient Voltage Suppressor Diode
• Use: Surge Protection in Electronic Circuits
• Characteristics: Rapid Clamping, Reliable Protection
• Package: SMB (DO-214AA)
• Essence: Transient Voltage Suppression
• Packaging/Quantity: Tape & Reel, 1800 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 45V
• Voltage - Breakdown (Min): 50V
• Power (Watts): 600W
• Polarity: Unidirectional
• Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

The SMBJ45-E3/52 TVS diode has a standard pin configuration with two leads for connection to the circuit. The anode and cathode terminals are clearly marked for easy identification and proper installation.

Functional Features

• Fast Response Time: The SMBJ45-E3/52 offers a fast response time to transient overvoltage events, ensuring minimal impact on the protected circuit.
• Low Clamping Voltage: This diode maintains a low clamping voltage during surge events, effectively limiting the voltage across the circuit.

Advantages and Disadvantages

Advantages

• Effective Surge Protection
• Compact Package Size
• Fast Response Time

Disadvantages

• Limited Power Dissipation Capability
• Unidirectional Protection Only

Working Principles

The SMBJ45-E3/52 operates based on the principle of avalanche breakdown. When a transient overvoltage occurs, the diode rapidly conducts, diverting excess current away from the protected circuit and limiting the voltage across it. This action helps prevent damage to sensitive components.

Detailed Application Field Plans

The SMBJ45-E3/52 is widely used in various electronic systems and equipment requiring surge protection. Some common application fields include: - Power Supplies - Communication Systems - Industrial Control Systems - Automotive Electronics - Consumer Electronics

Detailed and Complete Alternative Models

• SMBJ5.0A-E3/52: 5.0V Reverse Standoff Voltage
• SMBJ12A-E3/52: 12V Reverse Standoff Voltage
• SMBJ24A-E3/52: 24V Reverse Standoff Voltage
• SMBJ58A-E3/52: 58V Reverse Standoff Voltage

In conclusion, the SMBJ45-E3/52 transient voltage suppressor diode offers effective surge protection in a compact package, making it suitable for a wide range of electronic applications. Its fast response time and low clamping voltage make it a valuable component in safeguarding circuits against transient overvoltage events.

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