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SM4T39CAY

SM4T39CAY

Product Overview

Category: Electronic Component
Use: Transient Voltage Suppressor
Characteristics: High surge capability, low clamping voltage, compact package
Package: SMC (DO-214AB)
Essence: Protects sensitive electronic components from voltage transients
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Peak Power Dissipation: 400W
  • Breakdown Voltage: 39V
  • Clamping Voltage: 64.5V at 10A
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SM4T39CAY is a unidirectional TVS diode with two pins. The cathode is connected to the marked side of the package, while the anode is connected to the unmarked side.

Functional Features

  • Transient Protection: Safeguards against voltage transients and surges
  • Fast Response Time: Reacts quickly to transient events
  • Low Leakage Current: Minimizes power consumption during normal operation

Advantages and Disadvantages

Advantages: 1. High surge capability for robust protection 2. Low clamping voltage for effective transient suppression 3. Compact package for space-constrained applications

Disadvantages: 1. Limited breakdown voltage compared to some alternative models 2. Higher clamping voltage at lower currents

Working Principles

The SM4T39CAY operates by diverting excess current away from sensitive components when a transient event occurs. It rapidly clamps the voltage to a safe level, protecting downstream circuitry.

Detailed Application Field Plans

The SM4T39CAY is suitable for various applications including: - Telecommunication Equipment: Protects sensitive communication circuits from voltage spikes - Automotive Electronics: Safeguards vehicle electronics from electrical disturbances - Industrial Control Systems: Ensures reliable operation of control and monitoring equipment

Detailed and Complete Alternative Models

  1. SM4T36CAY: Similar characteristics with a slightly lower breakdown voltage
  2. SM4T43CAY: Similar characteristics with a slightly higher breakdown voltage
  3. SM6T39CAY: Higher power dissipation and surge capability with the same breakdown voltage

In conclusion, the SM4T39CAY transient voltage suppressor offers robust protection in a compact package, making it suitable for a wide range of applications.

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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του SM4T39CAY σε τεχνικές λύσεις

  1. What is SM4T39CAY?

    • SM4T39CAY 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 SM4T39CAY?

    • The maximum peak pulse power of SM4T39CAY is 400 watts.
  3. What is the breakdown voltage of SM4T39CAY?

    • The breakdown voltage of SM4T39CAY is 43.6 volts.
  4. What are the typical applications of SM4T39CAY?

    • SM4T39CAY is commonly used in telecommunications equipment, industrial controls, consumer electronics, and automotive electronics for surge protection.
  5. What is the operating temperature range of SM4T39CAY?

    • The operating temperature range of SM4T39CAY is -55°C to +150°C.
  6. What is the reverse stand-off voltage of SM4T39CAY?

    • The reverse stand-off voltage of SM4T39CAY is 33.3 volts.
  7. Does SM4T39CAY comply with RoHS requirements?

    • Yes, SM4T39CAY is compliant with RoHS (Restriction of Hazardous Substances) requirements.
  8. Is SM4T39CAY suitable for high-speed data lines?

    • Yes, SM4T39CAY is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.
  9. What is the package type of SM4T39CAY?

    • SM4T39CAY is available in a DO-214AB (SMC) package.
  10. What are the key features of SM4T39CAY?

    • Some key features of SM4T39CAY include low clamping voltage, fast response time, and high surge capability.