SMBJ12C - Product Overview

Introduction

The SMBJ12C is a diode belonging to the category of transient voltage suppressor (TVS) diodes. These diodes are widely used for protecting sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. The SMBJ12C diode exhibits specific characteristics that make it suitable for various applications. This entry provides an in-depth overview of the SMBJ12C diode, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS) Diode
• Use: Protection against voltage transients induced by lightning, ESD, and other transient voltage events
• Characteristics: Fast response time, low clamping voltage, high surge capability
• Package: SMB (DO-214AA)
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging with varying quantities

Specifications

• Peak Pulse Power: 600W
• Breakdown Voltage: 12V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMBJ12C diode has a standard SMB (DO-214AA) package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Fast Response Time: Rapid reaction to transient voltage events
• Low Clamping Voltage: Limits the voltage across the protected circuit
• High Surge Capability: Ability to withstand high surge currents

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Compact form factor
• RoHS compliant

Disadvantages

• Limited breakdown voltage compared to higher-rated TVS diodes
• May require additional circuitry for comprehensive transient protection

Working Principles

The SMBJ12C diode operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action limits the voltage across the circuit, safeguarding the connected components.

Detailed Application Field Plans

The SMBJ12C diode finds extensive use in various applications, including: - Telecommunications: Protection of communication equipment from lightning-induced surges - Consumer Electronics: Safeguarding sensitive electronic devices from ESD events - Automotive Electronics: Protection against voltage transients in automotive systems - Industrial Control Systems: Ensuring reliability in industrial automation applications

Detailed and Complete Alternative Models

For applications requiring different breakdown voltages or power handling capabilities, alternative TVS diode models include: - SMBJ5.0C: 5.0V breakdown voltage, 600W peak pulse power - SMBJ24C: 24V breakdown voltage, 600W peak pulse power - SMBJ48C: 48V breakdown voltage, 600W peak pulse power

In conclusion, the SMBJ12C diode serves as a crucial component in protecting electronic circuits from transient voltage events. Its fast response time, low clamping voltage, and high surge capability make it a reliable choice for diverse applications.

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