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SM4T18CAY
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SM4T18CAY

Product Overview

Category: Electronic Component
Use: Transient Voltage Suppressor (TVS) Diode
Characteristics: High surge capability, low clamping voltage, fast response time
Package: SMA Package
Essence: Protects sensitive electronic components from voltage transients
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 400 Watts
  • Breakdown Voltage: 18V
  • Operating Voltage: 15.3V
  • Maximum Reverse Leakage Current: 1µA
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SM4T18CAY TVS diode has a standard SMA package with two pins. Pin 1 is the cathode and pin 2 is the anode.

Functional Features

  • Provides protection against transient voltage events
  • Fast response time ensures minimal damage to protected components
  • Low clamping voltage prevents overvoltage damage

Advantages and Disadvantages

Advantages: - High surge capability - Fast response time - Low clamping voltage

Disadvantages: - Limited breakdown voltage compared to higher-rated TVS diodes - Sensitive to reverse leakage current variations

Working Principles

The SM4T18CAY TVS diode works by diverting excess current away from sensitive components when a transient voltage event occurs. It rapidly clamps the voltage to a safe level, protecting downstream electronics.

Detailed Application Field Plans

The SM4T18CAY is commonly used in various applications including: - Consumer electronics - Automotive electronics - Industrial equipment - Telecommunications

Detailed and Complete Alternative Models

  • SM4T15CAY: Similar characteristics with a lower breakdown voltage of 15V
  • SM4T24CAY: Higher breakdown voltage at 24V, suitable for different applications

This completes the entry for SM4T18CAY, providing comprehensive information about its category, use, characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät SM4T18CAY :n soveltamiseen teknisissä ratkaisuissa

  1. What is SM4T18CAY?

    • SM4T18CAY is a transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What is the maximum peak pulse power of SM4T18CAY?

    • The maximum peak pulse power of SM4T18CAY is 400 Watts.

  3. What is the breakdown voltage of SM4T18CAY?

    • The breakdown voltage of SM4T18CAY is 18V.

  4. What are the typical applications of SM4T18CAY?

    • SM4T18CAY is commonly used in telecommunications equipment, consumer electronics, industrial automation, and automotive systems to protect against voltage surges.

  5. What is the operating temperature range of SM4T18CAY?

    • The operating temperature range of SM4T18CAY is -55°C to +150°C.

  6. What is the package type of SM4T18CAY?

    • SM4T18CAY is available in a SMC (DO-214AB) package.

  7. Does SM4T18CAY comply with RoHS requirements?

    • Yes, SM4T18CAY is compliant with RoHS (Restriction of Hazardous Substances) requirements.

  8. What is the clamping voltage of SM4T18CAY?

    • The clamping voltage of SM4T18CAY is 29.2V at 10A.

  9. Is SM4T18CAY suitable for high-speed data lines?

    • Yes, SM4T18CAY is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.

  10. Can SM4T18CAY be used in outdoor applications?

    • Yes, SM4T18CAY is suitable for outdoor applications due to its ability to withstand lightning-induced transients and harsh environmental conditions.