STMicroelectronics
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SM6T12AY
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SM6T12AY

Product Overview

Belongs to: Electronic Components
Category: TVS Diode
Use: Protection against transient voltage spikes
Characteristics: Low clamping voltage, fast response time
Package: SOD-128
Essence: Transient voltage suppression
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage: 12V
  • Clamping Voltage: 19.9V
  • Operating Temperature Range: -55°C to +150°C
  • Polarity: Unidirectional

Detailed Pin Configuration

The SM6T12AY TVS diode has a standard SOD-128 package with two pins. Pin 1 is the anode and pin 2 is the cathode.

Functional Features

  • Fast response time
  • Low clamping voltage
  • High surge capability
  • RoHS compliant

Advantages and Disadvantages

Advantages: - Effective protection against transient voltage spikes - Fast response time for rapid protection - RoHS compliant for environmental considerations

Disadvantages: - Low breakdown voltage compared to some alternatives - Unidirectional polarity limits its use in bidirectional applications

Working Principles

The SM6T12AY operates by diverting excess current away from sensitive electronic components when a transient voltage spike occurs. It rapidly clamps the voltage to a safe level, protecting downstream circuitry.

Detailed Application Field Plans

This TVS diode is commonly used in various electronic devices and systems, including: - Consumer electronics - Automotive electronics - Industrial control systems - Telecommunication equipment - Power supplies

Detailed and Complete Alternative Models

  • SM6T10A: Similar characteristics but with a lower breakdown voltage of 10V
  • SM6T15A: Higher breakdown voltage of 15V for increased protection
  • SM6T18A: Increased clamping voltage at 24.4V for higher energy handling capability

In conclusion, the SM6T12AY TVS diode offers effective protection against transient voltage spikes with its low clamping voltage and fast response time. While it has limitations in certain applications due to its unidirectional polarity and relatively low breakdown voltage, it remains a popular choice for many electronic systems and devices.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של SM6T12AY בפתרונות טכניים

  1. What is the maximum working voltage of SM6T12AY?

    • The maximum working voltage of SM6T12AY is 12V.

  2. What is the peak pulse power of SM6T12AY?

    • The peak pulse power of SM6T12AY is 600W.

  3. What is the breakdown voltage of SM6T12AY?

    • The breakdown voltage of SM6T12AY is typically 13.3V.

  4. What is the clamping voltage of SM6T12AY?

    • The clamping voltage of SM6T12AY is 19.9V at 10A.

  5. What is the operating temperature range of SM6T12AY?

    • The operating temperature range of SM6T12AY is -55°C to +150°C.

  6. What is the package type of SM6T12AY?

    • SM6T12AY is available in a DO-214AA (SMB) package.

  7. What are the typical applications for SM6T12AY?

    • SM6T12AY is commonly used for transient voltage suppression in electronic equipment, automotive systems, and industrial controls.

  8. Does SM6T12AY have RoHS compliance?

    • Yes, SM6T12AY is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  9. What is the lead-free status of SM6T12AY?

    • SM6T12AY is lead-free and meets the requirements of lead-free assembly.

  10. Is SM6T12AY suitable for surge protection in power supply units?

    • Yes, SM6T12AY is suitable for surge protection in power supply units due to its high peak pulse power and low clamping voltage characteristics.