ON Semiconductor
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1.5SMC43AT3
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1.5SMC43AT3

Product Overview

Category

The 1.5SMC43AT3 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in electronic circuits, providing a low-impedance path for transient currents.

Characteristics

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

Package

The 1.5SMC43AT3 is available in a DO-214AB (SMC) package.

Essence

This TVS diode is designed to protect sensitive electronic components from voltage transients induced by lightning, ESD (electrostatic discharge), and other transient voltage events.

Packaging/Quantity

It is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 36.8V
  • Breakdown Voltage: 40.9V
  • Maximum Clamping Voltage: 58.9V
  • Peak Pulse Current: 93.6A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The 1.5SMC43AT3 has two pins, anode, and cathode, which are denoted by the markings on the device's body.

Functional Features

  • Provides protection against voltage surges and transients
  • Rapidly diverts excessive current away from sensitive components
  • Maintains low leakage current under normal operating conditions

Advantages

  • High surge current capability
  • Fast response time
  • RoHS compliant

Disadvantages

  • May require additional circuitry for comprehensive surge protection in complex systems
  • Can degrade over time with repeated exposure to high-energy transients

Working Principles

When a transient voltage event occurs, the 1.5SMC43AT3 enters a low-impedance state, diverting the excess current away from the protected circuit. This action limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The 1.5SMC43AT3 is commonly used in: - Telecommunication equipment - Industrial control systems - Power supplies - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • SMAJ36A: Similar TVS diode with SMA package
  • P6SMB36CA: TVS diode with SMB package
  • SMCJ36A: TVS diode with SMC package

In conclusion, the 1.5SMC43AT3 TVS diode offers robust surge protection for a wide range of electronic applications, with its fast response time and high surge current capability making it a popular choice for designers seeking reliable transient voltage suppression.

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10 domande e risposte comuni relative all'applicazione di 1.5SMC43AT3 nelle soluzioni tecniche

  1. What is 1.5SMC43AT3 and its application in technical solutions?

    • 1.5SMC43AT3 is a TVS (transient voltage suppressor) diode used to protect sensitive electronics from voltage spikes and surges.

  2. How does 1.5SMC43AT3 protect electronic circuits?

    • It clamps the voltage during transient events, diverting excess current away from the protected circuit.

  3. What are the typical applications of 1.5SMC43AT3 in technical solutions?

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

  4. What is the maximum peak pulse power dissipation of 1.5SMC43AT3?

    • The maximum peak pulse power dissipation is typically around 1500W.

  5. What is the breakdown voltage of 1.5SMC43AT3?

    • The breakdown voltage is 43V.

  6. Can 1.5SMC43AT3 be used for surge protection in outdoor applications?

    • Yes, it can be used for surge protection in outdoor applications due to its robust design.

  7. Is 1.5SMC43AT3 suitable for high-speed data lines protection?

    • Yes, it is suitable for protecting high-speed data lines and interfaces from voltage transients.

  8. What are the temperature considerations for 1.5SMC43AT3 in technical solutions?

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

  9. Does 1.5SMC43AT3 require any external components for proper operation?

    • In most cases, it does not require additional external components for basic surge protection.

  10. Are there any specific layout or mounting considerations for 1.5SMC43AT3 in technical solutions?

    • It is recommended to minimize lead lengths and ensure proper heat sinking for optimal performance.

Please let me know if you need further information on any of these questions!