Littelfuse Inc.
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SMF4L9.0A
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SMF4L9.0A

Product Overview

Category

SMF4L9.0A belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

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

Package

The SMF4L9.0A is available in a surface mount package.

Essence

The essence of SMF4L9.0A lies in its ability to provide robust protection against transient voltage events, ensuring the reliability and longevity of electronic circuits.

Packaging/Quantity

The SMF4L9.0A is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Standoff Voltage: 9.0V
  • Breakdown Voltage: 10V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMF4L9.0A TVS diode has a standard SOD-123FL package with two pins for surface mount installation.

Functional Features

  • Bi-directional TVS diode
  • Low leakage current
  • ESD protection up to ±30kV (contact discharge)

Advantages and Disadvantages

Advantages

  • Provides effective protection against transient voltage events
  • Fast response time ensures minimal impact on the protected circuit
  • RoHS compliant, making it environmentally friendly

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

When a transient voltage event occurs, the SMF4L9.0A TVS diode rapidly conducts, diverting the excess energy away from the protected circuit and limiting the voltage across it.

Detailed Application Field Plans

The SMF4L9.0A is commonly used in various applications, including: - Consumer electronics - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

  • SMAJ9.0A
  • P6SMB9.0A
  • SMCJ9.0A
  • 1.5KE9.0A

In conclusion, the SMF4L9.0A transient voltage suppressor diode offers reliable protection against transient voltage events, making it an essential component in safeguarding sensitive electronic circuits across a wide range of applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMF4L9.0A en soluciones técnicas

  1. What is SMF4L9.0A and its application in technical solutions?

    • SMF4L9.0A is a type of TVS (transient voltage suppressor) diode that is commonly used to protect electronic circuits from voltage spikes and transients.

  2. How does SMF4L9.0A protect electronic circuits?

    • SMF4L9.0A diverts excessive voltage away from sensitive components by providing a low-impedance path for the transient current to flow, thus protecting the circuit.

  3. What are the typical applications of SMF4L9.0A in technical solutions?

    • SMF4L9.0A is often used in power supplies, communication equipment, automotive electronics, and industrial control systems to safeguard against voltage surges.

  4. What are the key specifications of SMF4L9.0A that make it suitable for technical solutions?

    • SMF4L9.0A typically has a working voltage of 9.0V, low clamping voltage, fast response time, and high surge handling capability, making it ideal for various technical applications.

  5. How does SMF4L9.0A compare to other TVS diodes in technical solutions?

    • SMF4L9.0A offers a balance of performance, cost-effectiveness, and reliability, making it a popular choice for protecting electronic circuits in technical solutions.

  6. Can SMF4L9.0A be used in combination with other protective components?

    • Yes, SMF4L9.0A can be used in conjunction with other protective devices such as fuses, varistors, and ESD suppressors to provide comprehensive protection for electronic systems.

  7. What are the potential failure modes of SMF4L9.0A in technical solutions?

    • Common failure modes include degradation due to prolonged exposure to high currents or overvoltage conditions, as well as physical damage from mechanical stress.

  8. Are there any specific layout or mounting considerations for SMF4L9.0A in technical solutions?

    • Proper PCB layout, adequate thermal management, and appropriate mounting techniques are important to ensure the optimal performance and reliability of SMF4L9.0A in technical solutions.

  9. What are the industry standards or certifications relevant to the use of SMF4L9.0A in technical solutions?

    • SMF4L9.0A may comply with industry standards such as IEC 61000-4-5 for surge immunity, and it may also carry certifications from regulatory bodies like UL and TUV.

  10. Where can SMF4L9.0A be sourced for integration into technical solutions?

    • SMF4L9.0A can be sourced from reputable semiconductor distributors, manufacturers, or authorized resellers, ensuring genuine and reliable components for technical applications.