SMDJ70 - Product Overview and Specifications

Introduction

The SMDJ70 belongs to the category of TVS (Transient Voltage Suppressor) diodes, which are widely used in electronic circuits to protect sensitive components from voltage spikes and surges. This entry provides a comprehensive overview of the SMDJ70, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: TVS Diode
• Use: Protection against voltage spikes and surges
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMD (Surface Mount Device)
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Voltage Rating: 70V
• Power Dissipation: 1500W
• Breakdown Voltage: 77.4V to 85.5V
• Operating Temperature Range: -55°C to 150°C
• Storage Temperature Range: -55°C to 175°C

Detailed Pin Configuration

The SMDJ70 typically follows a standard SMD diode pin configuration with two terminals for connection to the circuit board.

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient overvoltages to a safe level
• Low Clamping Voltage: Provides effective protection for sensitive components
• Fast Response Time: Reacts quickly to voltage spikes, minimizing damage
• High Surge Current Capability: Can handle large surge currents without degradation

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Compact SMD package for easy integration into circuit designs
• High surge current handling capability

Disadvantages

• Limited to specific voltage ratings
• May require additional circuitry for comprehensive surge protection

Working Principles

The SMDJ70 operates by diverting excessive voltage away from sensitive components, limiting the voltage across the protected circuit. When a transient voltage spike occurs, the diode rapidly conducts, shunting the excess energy to ground and preventing damage to downstream components.

Detailed Application Field Plans

The SMDJ70 finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• SMDJ Series: SMDJ5.0, SMDJ12, SMDJ24, SMDJ48, etc.
• P6SMB Series: P6SMB6.8, P6SMB15, P6SMB30, P6SMB60, etc.
• 1.5KE Series: 1.5KE6.8, 1.5KE15, 1.5KE30, 1.5KE60, etc.

In conclusion, the SMDJ70 TVS diode offers robust transient voltage suppression capabilities, making it an essential component in safeguarding electronic circuits from voltage surges. Its compact SMD package and high surge current handling make it suitable for a wide range of applications.

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