SMAJ5.0AHE3/5A - Product Overview and Specifications

Introduction

The SMAJ5.0AHE3/5A belongs to the category of TVS (Transient Voltage Suppressor) diodes, which are widely used for surge protection in electronic circuits. These diodes exhibit characteristics such as high surge capability, low clamping voltage, and fast response time. They are typically packaged in a compact, surface-mount package and are available in tape and reel packaging with a specific quantity per reel.

Basic Information Overview

• Category: TVS Diodes
• Use: Surge protection in electronic circuits
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: Surface-mount package
• Essence: Protection against transient voltage spikes
• Packaging/Quantity: Tape and reel packaging, specific quantity per reel

Specifications

• Part Number: SMAJ5.0AHE3/5A
• Voltage - Reverse Standoff (Typ): 5V
• Voltage - Breakdown (Min): 6.4V
• Voltage - Clamping (Max) @ Ipp: 9.2V
• Current - Peak Pulse (10/1000µs): 18.2A
• Power - Peak Pulse: 400W
• Type: Zener
• Unidirectional Channels: 1

Detailed Pin Configuration

The SMAJ5.0AHE3/5A TVS diode typically has two pins: anode and cathode. The anode is connected to the circuit node that requires protection from transient voltage spikes, while the cathode is connected to the ground or reference potential of the circuit.

Functional Features

• High Surge Capability: Can withstand large transient currents without damage.
• Low Clamping Voltage: Provides effective protection by limiting the voltage across the circuit.
• Fast Response Time: Quickly responds to transient voltage spikes, minimizing the risk of damage to sensitive components.

Advantages and Disadvantages

Advantages

• Effective surge protection for electronic circuits.
• Compact surface-mount package for easy integration into circuit designs.
• Fast response time helps in preventing damage to sensitive components.

Disadvantages

• May require additional circuitry for comprehensive overvoltage protection in some applications.
• Limited to unidirectional protection, may not be suitable for bidirectional surge protection requirements.

Working Principles

The SMAJ5.0AHE3/5A TVS diode operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting the excess current away from the protected circuit and limiting the voltage across it.

Detailed Application Field Plans

The SMAJ5.0AHE3/5A TVS diode finds extensive use in various electronic systems and equipment, including: - Power supplies - Communication systems - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMAJ5.0AHE3/5A TVS diode include: - SMBJ5.0A - P6SMB5.0A - SMCJ5.0A - 1.5KE6.8A

In summary, the SMAJ5.0AHE3/5A TVS diode offers effective surge protection with its high surge capability, low clamping voltage, and fast response time. While it has certain limitations, its compact design and performance make it a valuable component in safeguarding electronic circuits against transient voltage spikes.

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