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SMF4L48A
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SMF4L48A - Product Overview

Introduction

The SMF4L48A is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used for surge protection in electronic circuits to safeguard against voltage spikes and transients. This entry provides an overview of the SMF4L48A, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Surge protection in electronic circuits
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SOD-123FL
  • Essence: Protects sensitive electronic components from voltage spikes
  • Packaging/Quantity: Typically available in reels of 3000 units

Specifications

  • Part Number: SMF4L48A
  • Peak Pulse Power: 400W
  • Breakdown Voltage: 53.3V
  • Clamping Voltage: 77.4V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMF4L48A typically follows the SOD-123FL package outline with two pins for connection. Pin 1 is the anode, and pin 2 is the cathode.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage spikes and transients.
  • Fast Response Time: Reacts quickly to voltage surges, minimizing damage to downstream components.
  • Low Clamping Voltage: Limits the voltage across the protected circuit during a transient event.

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Fast response time
  • Low clamping voltage

Disadvantages

  • Limited surge energy handling capability compared to larger TVS devices
  • May require additional circuitry for comprehensive surge protection in high-power applications

Working Principles

The SMF4L48A operates by diverting excess transient voltage away from sensitive components, thereby limiting the voltage across the protected circuit. When a transient event occurs, the diode rapidly conducts, providing a low-impedance path for the surge current to flow through, thus protecting downstream components.

Detailed Application Field Plans

The SMF4L48A is commonly used in various electronic systems, including: - Consumer electronics - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

  • Alternative Model 1: SMF5.0A
  • Alternative Model 2: SMF6.8A
  • Alternative Model 3: SMF10A
  • Alternative Model 4: SMF15A

In conclusion, the SMF4L48A is a crucial component in surge protection applications, offering fast response times and low clamping voltages to safeguard sensitive electronic circuits from transient events.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SMF4L48A dalam solusi teknis

  1. What is SMF4L48A?

    • SMF4L48A is a transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum working voltage of SMF4L48A?

    • The maximum working voltage of SMF4L48A is 48V.

  3. What is the peak pulse current rating of SMF4L48A?

    • The peak pulse current rating of SMF4L48A is typically 100A.

  4. What are the typical applications of SMF4L48A?

    • SMF4L48A is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems.

  5. What is the clamping voltage of SMF4L48A?

    • The clamping voltage of SMF4L48A is typically around 77.4V at 10A.

  6. Is SMF4L48A RoHS compliant?

    • Yes, SMF4L48A is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  7. What is the operating temperature range of SMF4L48A?

    • The operating temperature range of SMF4L48A is -55°C to 150°C, making it suitable for a wide range of environments.

  8. Does SMF4L48A have a low leakage current?

    • Yes, SMF4L48A has a low leakage current, which is important for maintaining the integrity of the protected circuit.

  9. Can SMF4L48A be used for ESD protection?

    • Yes, SMF4L48A can be used for electrostatic discharge (ESD) protection in various electronic devices and systems.

  10. What package type is SMF4L48A available in?

    • SMF4L48A is available in a surface mount SMA package, which is convenient for automated assembly processes.