SMBJ15A/54

Product Overview

The SMBJ15A/54 belongs to the category of transient voltage suppressor diodes. These diodes are widely used for protecting sensitive electronic devices from voltage spikes and transients. The SMBJ15A/54 is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically available in a compact package and is designed to provide effective protection for a variety of electronic circuits.

Basic Information

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: SMB (DO-214AA)
• Essence: Protecting sensitive electronic devices
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Peak Power Dissipation: 1500W
• Breakdown Voltage Range: 15V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ15A/54 typically features two pins, with the anode connected to one pin and the cathode connected to the other. The pinout configuration is standardized across manufacturers and follows industry conventions for diode packaging.

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 Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Compact form factor
• Fast response time

Disadvantages

• Limited to specific voltage ranges
• May require additional circuitry for comprehensive protection in complex systems

Working Principles

The SMBJ15A/54 operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action effectively limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The SMBJ15A/54 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: Providing surge protection for control circuitry in industrial environments.

Detailed and Complete Alternative Models

• 1. P6SMB15A: Similar specifications and characteristics, alternative package (DO-214AA)
• 2. SMCJ15A: Higher power dissipation, alternative package (DO-214AB)
• 3. SMBJ15CA: Lower breakdown voltage, suitable for specific applications requiring lower clamping voltages

In conclusion, the SMBJ15A/54 transient voltage suppressor diode offers reliable protection against voltage spikes and transients, making it an essential component in various electronic systems.

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