SMBJ7.0A-HRA

Product Overview

The SMBJ7.0A-HRA belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are designed to protect sensitive electronics from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. The SMBJ7.0A-HRA is commonly used in various electronic devices and systems to safeguard against voltage spikes and surges.

Basic Information

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage transients
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMB (DO-214AA)
• Essence: TVS diodes provide a low-impedance path to divert excessive current away from sensitive components.
• Packaging/Quantity: Available in tape and reel packaging with quantities varying based on manufacturer specifications.

Specifications

• Voltage - Reverse Standoff (Typ): 7V
• Voltage - Breakdown (Min): 7.78V
• Voltage - Clamping (Max) @ Ipp: 11.2V
• Current - Peak Pulse (10/1000µs): 19.4A
• Power - Peak Pulse: 600W
• Type: Unidirectional

Detailed Pin Configuration

The SMBJ7.0A-HRA typically features two pins in a surface-mount package configuration. Pin 1 is the anode, and pin 2 is the cathode.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage to a safe level.
• Fast Response Time: Rapid reaction to transient events ensures minimal impact on the protected circuitry.
• Low Clamping Voltage: Provides effective protection without imposing excessive voltage drop during normal operation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Low clamping voltage
• Compact and easy to integrate into circuit designs

Disadvantages

• Limited to unidirectional protection
• May require additional components for comprehensive transient protection in complex systems

Working Principles

When a transient voltage event occurs, the SMBJ7.0A-HRA conducts current to divert the excess energy away from the sensitive components. This action effectively limits the voltage across the protected circuit, preventing damage due to overvoltage conditions.

Detailed Application Field Plans

The SMBJ7.0A-HRA is widely used in various applications, including: - Consumer electronics - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Medical devices

Detailed and Complete Alternative Models

• SMBJ5.0A-HRA: Lower reverse standoff voltage (5V)
• SMBJ12A-HRA: Higher reverse standoff voltage (12V)
• SMBJ15A-HRA: Higher peak pulse current (15A)

In conclusion, the SMBJ7.0A-HRA transient voltage suppressor diode offers effective protection against voltage transients with its fast response time, low clamping voltage, and high surge current capability. While it has limitations such as unidirectional protection, it remains a crucial component in safeguarding sensitive electronics across various industries.

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