SMBJ150CA-HR

Introduction

The SMBJ150CA-HR is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. This entry provides a comprehensive overview of the SMBJ150CA-HR, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The SMBJ150CA-HR belongs to the category of transient voltage suppressor diodes, which are widely used in electronic circuits to protect semiconductor devices from voltage spikes and surges.

Basic Information Overview

• Use: The SMBJ150CA-HR is used to protect sensitive electronic equipment from voltage transients.
• Characteristics: It offers low clamping voltage, fast response time, and high surge current capability.
• Package: The SMBJ150CA-HR is available in a DO-214AA (SMB) package.
• Essence: Its essence lies in providing robust protection against transient voltage events.
• Packaging/Quantity: It is typically packaged in reels or tubes, with varying quantities depending on the manufacturer's specifications.

Specifications

• Peak Power Dissipation: 1500W
• Breakdown Voltage: 150V
• Operating Voltage: 128V
• Clamping Voltage: 207V
• Peak Pulse Current: 50A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ150CA-HR follows the standard pin configuration for diodes, with anode and cathode terminals clearly marked on the device.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to safe levels.
• Fast Response Time: Rapid reaction to transient events ensures minimal impact on protected circuits.
• High Surge Current Capability: Can handle large surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• High surge current capability

Disadvantages

• Clamping voltage may be relatively high for some applications
• Limited to specific voltage ranges

Working Principles

The SMBJ150CA-HR operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the breakdown voltage, thereby diverting the transient energy away from the protected circuit.

Detailed Application Field Plans

The SMBJ150CA-HR finds extensive use in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Industrial Control Systems: Safeguarding control systems from ESD events. - Automotive Electronics: Shielding automotive electronics from voltage transients.

Detailed and Complete Alternative Models

• SMBJ5.0A: Breakdown Voltage: 5V, Peak Power Dissipation: 600W
• SMBJ24A: Breakdown Voltage: 24V, Peak Power Dissipation: 600W
• SMBJ440A: Breakdown Voltage: 440V, Peak Power Dissipation: 600W

In conclusion, the SMBJ150CA-HR is a vital component in protecting electronic circuits from transient voltage events, offering a balance of performance and reliability. Its specifications, functional features, and application versatility make it a preferred choice for engineers seeking robust transient voltage suppression solutions.

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