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SMDJ70
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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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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SMDJ70 in technische oplossingen

  1. What is the maximum reverse voltage for SMDJ70?

    • The maximum reverse voltage for SMDJ70 is 70V.

  2. What is the peak pulse power of SMDJ70?

    • The peak pulse power of SMDJ70 is 3000W.

  3. What is the typical clamping voltage of SMDJ70?

    • The typical clamping voltage of SMDJ70 is 113V at 10A.

  4. What are the typical applications of SMDJ70?

    • SMDJ70 is commonly used in surge protection for sensitive electronics, such as telecommunications equipment, industrial control systems, and power supplies.

  5. What is the operating temperature range for SMDJ70?

    • The operating temperature range for SMDJ70 is -55°C to +150°C.

  6. What is the package type for SMDJ70?

    • SMDJ70 is available in a DO-214AB (SMC) package.

  7. What are the key features of SMDJ70?

    • Some key features of SMDJ70 include low clamping voltage, fast response time, and high surge capability.

  8. Is SMDJ70 RoHS compliant?

    • Yes, SMDJ70 is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  9. Can SMDJ70 be used for ESD protection?

    • Yes, SMDJ70 can be used for electrostatic discharge (ESD) protection in various electronic devices and systems.

  10. What are the recommended mounting techniques for SMDJ70?

    • SMDJ70 can be mounted using surface mount techniques, and proper board layout and soldering practices should be followed for optimal performance.