Vishay Semiconductor Diodes Division
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1.5SMC6.8A-E3/57T
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1.5SMC6.8A-E3/57T Product Overview

Introduction

The 1.5SMC6.8A-E3/57T belongs to the category of TVS (Transient Voltage Suppressor) diodes and is commonly used for surge protection in electronic circuits. This entry provides a comprehensive overview of the product, 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 Diodes
  • Use: Surge protection in electronic circuits
  • Characteristics: Fast response time, high surge current capability, low clamping voltage
  • Package: SMC (DO-214AB)
  • Essence: Protects sensitive electronic components from voltage transients
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Part Number: 1.5SMC6.8A-E3/57T
  • Voltage - Reverse Standoff (Typ): 6.8V
  • Breakdown Voltage: 7.58V
  • Clamping Voltage: 11.4V
  • Peak Pulse Current: 43.5A
  • Power Dissipation: 1500W
  • Polarity: Unidirectional
  • Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

The 1.5SMC6.8A-E3/57T TVS diode typically has two pins, with the cathode connected to the ground or reference voltage and the anode connected to the protected circuit.

Functional Features

  • Rapid response to transient overvoltage events
  • High surge current handling capability
  • Low clamping voltage to protect downstream components

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact SMC package for space-constrained applications

Disadvantages

  • Unidirectional protection only
  • Limited power dissipation capability compared to larger TVS diodes

Working Principles

When a transient voltage spike occurs, the TVS diode conducts and clamps the voltage to a safe level, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

The 1.5SMC6.8A-E3/57T is widely used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the 1.5SMC6.8A-E3/57T include: - SMAJ6.8A - P6SMB6.8A - SMBJ6.8A - 1.5KE6.8A

In summary, the 1.5SMC6.8A-E3/57T TVS diode offers effective surge protection for electronic circuits, with fast response times and high surge current capabilities. Its compact SMC package makes it suitable for space-constrained applications, although it provides unidirectional protection and has limitations in power dissipation compared to larger TVS diodes.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням 1.5SMC6.8A-E3/57T у технічних рішеннях

  1. What is the application of 1.5SMC6.8A-E3/57T in technical solutions?

    • Answer: The 1.5SMC6.8A-E3/57T is commonly used as a transient voltage suppressor (TVS) diode to protect electronic circuits from voltage spikes and surges.

  2. How does 1.5SMC6.8A-E3/57T protect electronic circuits?

    • Answer: It clamps the voltage to a safe level by diverting excess current away from sensitive components, preventing damage due to transient events.

  3. What are the key specifications of 1.5SMC6.8A-E3/57T?

    • Answer: The key specifications include a working voltage of 5.8V, peak pulse current of 58.9A, and a low clamping voltage.

  4. In what type of applications is 1.5SMC6.8A-E3/57T commonly used?

    • Answer: It is commonly used in power supplies, communication equipment, automotive electronics, and industrial control systems.

  5. Can 1.5SMC6.8A-E3/57T be used for surge protection in outdoor applications?

    • Answer: Yes, it is suitable for outdoor applications due to its high surge current capability and robust construction.

  6. What are the temperature considerations for 1.5SMC6.8A-E3/57T in technical solutions?

    • Answer: It has a wide operating temperature range, typically from -55°C to 150°C, making it suitable for various environments.

  7. Is 1.5SMC6.8A-E3/57T RoHS compliant?

    • Answer: Yes, it is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring environmental safety.

  8. How does 1.5SMC6.8A-E3/57T compare to other TVS diodes in terms of performance?

    • Answer: It offers excellent clamping performance, fast response time, and high surge current capability compared to many other TVS diodes.

  9. Can 1.5SMC6.8A-E3/57T be used for ESD protection in addition to surge protection?

    • Answer: Yes, it can provide effective electrostatic discharge (ESD) protection for sensitive electronic components in addition to surge protection.

  10. Are there any specific layout or mounting considerations for 1.5SMC6.8A-E3/57T in technical solutions?

    • Answer: Proper PCB layout and mounting techniques should be followed to optimize its performance, including minimizing trace lengths and providing adequate thermal management.