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SMF4L11A
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SMF4L11A Diode: Encyclopedia Entry

Introduction

The SMF4L11A diode is a crucial component in electronic devices, providing protection against transient voltage events. This encyclopedia entry will provide an in-depth overview of the SMF4L11A diode, including its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

Category

The SMF4L11A diode belongs to the category of surface mount transient voltage suppressor (TVS) diodes.

Use

It is primarily used for surge protection in electronic circuits and systems to safeguard against voltage transients and surges.

Characteristics

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

Package

The SMF4L11A diode is typically available in a surface mount package.

Essence

Its essence lies in providing robust transient voltage suppression to protect sensitive electronic components.

Packaging/Quantity

The diode is commonly packaged in reels or tape and reel packaging, with varying quantities based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 400W
  • Standoff Voltage: 11V
  • Breakdown Voltage: 12.8V
  • Maximum Clamping Voltage: 18.2V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMF4L11A diode has a standard SOD-123FL package with two pins for connection.

Functional Features

  • Transient voltage suppression
  • ESD protection
  • Low leakage current

Advantages and Disadvantages

Advantages

  • High surge current capability
  • Fast response time
  • Compact size

Disadvantages

  • Limited power dissipation capability
  • Vulnerable to reverse breakdown under extreme conditions

Working Principles

The SMF4L11A diode operates by diverting transient currents away from sensitive components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMF4L11A diode finds extensive use in various applications, including: - Consumer electronics - Telecommunication equipment - Automotive electronics - Industrial control systems - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMF4L11A diode include: - SMAJ11A - P4SMA11A - SMBJ11A - SMCJ11A

In conclusion, the SMF4L11A diode serves as a critical component in protecting electronic circuits from transient voltage events. Its compact size, fast response time, and high surge current capability make it a valuable asset in various electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMF4L11A v technických řešeních

  1. What is SMF4L11A?

    • SMF4L11A is a type of TVS (transient voltage suppressor) diode designed to protect electronic circuits from voltage spikes and transients.

  2. What are the key features of SMF4L11A?

    • The key features of SMF4L11A include a low clamping voltage, fast response time, and high surge current capability.

  3. Where is SMF4L11A commonly used?

    • SMF4L11A is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems.

  4. How does SMF4L11A provide protection to electronic circuits?

    • SMF4L11A provides protection by diverting excessive current away from sensitive components when a voltage spike occurs, thus preventing damage to the circuit.

  5. What is the maximum voltage rating of SMF4L11A?

    • The maximum voltage rating of SMF4L11A is typically 11 volts.

  6. What is the operating temperature range of SMF4L11A?

    • The operating temperature range of SMF4L11A is usually between -55°C to 150°C.

  7. Can SMF4L11A be used for ESD (electrostatic discharge) protection?

    • Yes, SMF4L11A can be used for ESD protection in various electronic devices and systems.

  8. Are there any specific layout considerations when using SMF4L11A in a circuit?

    • It is important to minimize the length of traces connecting SMF4L11A to the protected circuit and to ensure a low impedance path to ground.

  9. What are the industry standards or certifications associated with SMF4L11A?

    • SMF4L11A may comply with industry standards such as IEC 61000-4-2 for ESD protection and AEC-Q101 for automotive applications.

  10. Can SMF4L11A be used in combination with other protective components?

    • Yes, SMF4L11A can be used in conjunction with other protective components such as varistors and fuses to provide comprehensive circuit protection.