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SMF4L8.5A
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SMF4L8.5A - Product Overview and Analysis

Introduction

The SMF4L8.5A is a diode belonging to the category of transient voltage suppressors (TVS) used for surge protection in electronic circuits. This entry provides an overview of its basic information, specifications, 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 transients
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Part Number: SMF4L8.5A
  • Standoff Voltage: 7.37V
  • Breakdown Voltage: 8.22V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMF4L8.5A has a standard SOD-123FL package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage transients by diverting excess current away from sensitive components.
  • Fast Response Time: Reacts quickly to transient voltage spikes, minimizing the risk of damage to connected devices.
  • Low Clamping Voltage: Limits the voltage across the protected circuit during transient events, safeguarding sensitive electronics.

Advantages and Disadvantages

Advantages

  • Effective surge protection for sensitive electronic components
  • Fast response time ensures minimal disruption during transient events
  • Low clamping voltage helps prevent damage to connected devices

Disadvantages

  • Limited to specific voltage ranges
  • May require additional components for comprehensive circuit protection

Working Principles

The SMF4L8.5A operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds its breakdown voltage, thereby protecting downstream components from damage.

Detailed Application Field Plans

The SMF4L8.5A is commonly used in various applications, including: - Consumer electronics - Telecommunications equipment - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMF4L8.5A include: - SMAJ5.0A - SMBJ8.5A - SMCJ10A - P4SMA6.8A

In conclusion, the SMF4L8.5A transient voltage suppressor diode offers effective surge protection with its fast response time and low clamping voltage, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMF4L8.5A v technických řešeních

  1. What is SMF4L8.5A?

    • SMF4L8.5A is a type of transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. Where can SMF4L8.5A be used in technical solutions?

    • SMF4L8.5A can be used in various technical solutions such as power supplies, communication equipment, automotive electronics, and industrial control systems.

  3. What is the maximum peak pulse current rating for SMF4L8.5A?

    • The maximum peak pulse current rating for SMF4L8.5A is typically around 100A.

  4. What is the breakdown voltage of SMF4L8.5A?

    • The breakdown voltage of SMF4L8.5A is 8.5V.

  5. How does SMF4L8.5A protect electronic circuits?

    • SMF4L8.5A clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.

  6. Can SMF4L8.5A be used for ESD protection?

    • Yes, SMF4L8.5A can provide effective electrostatic discharge (ESD) protection for electronic circuits.

  7. What is the response time of SMF4L8.5A?

    • The response time of SMF4L8.5A is very fast, typically in the nanosecond range.

  8. Is SMF4L8.5A suitable for high-speed data lines?

    • Yes, SMF4L8.5A is suitable for protecting high-speed data lines from voltage transients.

  9. What are the temperature specifications for SMF4L8.5A?

    • SMF4L8.5A is typically rated for operation over a wide temperature range, from -55°C to 150°C.

  10. Are there any specific layout considerations when using SMF4L8.5A in a circuit?

    • It is important to minimize the length and impedance of the traces connecting SMF4L8.5A to the protected circuit to ensure optimal performance.

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