Littelfuse Inc.
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SZ1SMA20AT3G
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SZ1SMA20AT3G

Product Overview

Category: Semiconductor
Use: Voltage Suppression
Characteristics: Low leakage current, high surge capability
Package: SMA
Essence: Transient Voltage Suppressor (TVS) diode
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 17.8V to 19.7V
  • Operating Temperature Range: -55°C to +150°C
  • Reverse Standoff Voltage: 15V

Detailed Pin Configuration

The SZ1SMA20AT3G has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Fast response time
  • Low clamping voltage
  • High reliability

Advantages and Disadvantages

Advantages: - Excellent surge protection - Wide operating temperature range - Low profile package

Disadvantages: - Limited power dissipation capability - Sensitive to reverse bias conditions

Working Principles

The SZ1SMA20AT3G operates by diverting excess current away from sensitive electronic components during transient voltage events, thereby protecting them from damage.

Detailed Application Field Plans

This TVS diode is commonly used in various applications including: - Power supplies - Communication systems - Automotive electronics - Industrial equipment

Detailed and Complete Alternative Models

  1. SZ1SMA18AT3G: Similar specifications with a lower breakdown voltage of 16.2V to 17.8V.
  2. SZ1SMA22AT3G: Similar specifications with a higher breakdown voltage of 19.4V to 21.6V.
  3. P6SMBJ20CA: Surface mount TVS diode with similar characteristics and package.

In conclusion, the SZ1SMA20AT3G is a reliable TVS diode offering excellent surge protection and is suitable for a wide range of applications. Its fast response time and low clamping voltage make it an ideal choice for safeguarding sensitive electronic circuits from transient voltage events.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SZ1SMA20AT3G у технічних рішеннях

  1. What is SZ1SMA20AT3G?

    • SZ1SMA20AT3G is a surface mount, silicon zener diode designed to protect sensitive electronics from voltage transients.

  2. What is the maximum power dissipation of SZ1SMA20AT3G?

    • The maximum power dissipation of SZ1SMA20AT3G is 1.5 watts.

  3. What is the voltage rating of SZ1SMA20AT3G?

    • SZ1SMA20AT3G has a voltage rating of 20 volts.

  4. What is the operating temperature range of SZ1SMA20AT3G?

    • The operating temperature range of SZ1SMA20AT3G is -55°C to +150°C.

  5. What are the typical applications of SZ1SMA20AT3G?

    • SZ1SMA20AT3G is commonly used in surge protection for sensitive electronic equipment, such as telecommunication systems, industrial controls, and consumer electronics.

  6. What is the package type of SZ1SMA20AT3G?

    • SZ1SMA20AT3G comes in a SMA (DO-214AC) package.

  7. What is the reverse standoff voltage of SZ1SMA20AT3G?

    • The reverse standoff voltage of SZ1SMA20AT3G is 17.1 volts.

  8. Does SZ1SMA20AT3G have RoHS compliance?

    • Yes, SZ1SMA20AT3G is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  9. What is the peak pulse power of SZ1SMA20AT3G?

    • The peak pulse power of SZ1SMA20AT3G is 400 watts for a 10/1000μs waveform.

  10. Is SZ1SMA20AT3G suitable for high-reliability applications?

    • Yes, SZ1SMA20AT3G is suitable for high-reliability applications due to its robust construction and performance characteristics.