Littelfuse Inc.
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
SMF78A-T13
Zobrazit detail DataSheets

SMF78A-T13 Product Overview

Introduction

The SMF78A-T13 is a component belonging to the category of transient voltage suppressor diodes. 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: Protection against transient voltage spikes
  • Characteristics: Fast response time, low clamping voltage, high surge capability
  • Package: SOD-123FL
  • Essence: Provides protection for sensitive electronic components
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage Range: 78V to 86V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMF78A-T13 has a standard SOD-123FL package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

  • Rapid response to transient overvoltage conditions
  • Low clamping voltage to protect downstream components
  • High surge capability for reliable performance under transient events

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact package size

Disadvantages

  • Limited power dissipation capability
  • Requires careful consideration of mounting and layout for optimal performance

Working Principles

The SMF78A-T13 operates by diverting excessive voltage transients away from sensitive electronic circuits, thereby safeguarding them from potential damage. When a transient voltage spike occurs, the diode rapidly conducts, shunting the excess energy to ground and limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMF78A-T13 is commonly used in various applications, including: - Consumer electronics - Telecommunications equipment - Automotive electronics - Industrial control systems - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMF78A-T13 include: - SMAJ78A - P4SMAJ78A - SMBJ78A - SMCJ78A

In conclusion, the SMF78A-T13 transient voltage suppressor diode offers effective protection against transient voltage spikes, with its fast response time and low clamping voltage making it suitable for a wide range of applications.

Word Count: 320

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMF78A-T13 v technických řešeních

  1. What is SMF78A-T13?

    • SMF78A-T13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What are the key features of SMF78A-T13?

    • The key features include a low profile package, low clamping voltage, fast response time, and high surge capability.

  3. What are the typical applications for SMF78A-T13?

    • Typical applications include protection of data lines, telecommunications equipment, industrial control systems, and automotive electronics.

  4. What is the maximum working voltage of SMF78A-T13?

    • The maximum working voltage is 78V.

  5. What is the clamping voltage of SMF78A-T13?

    • The clamping voltage is typically around 106V at 10A.

  6. What is the operating temperature range of SMF78A-T13?

    • The operating temperature range is -55°C to +150°C.

  7. How does SMF78A-T13 respond to transient voltage spikes?

    • SMF78A-T13 responds quickly to transient voltage spikes by diverting excess current away from sensitive components, thus protecting them from damage.

  8. Is SMF78A-T13 RoHS compliant?

    • Yes, SMF78A-T13 is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  9. Can SMF78A-T13 be used in high-speed data line protection?

    • Yes, SMF78A-T13 is suitable for protecting high-speed data lines such as USB, HDMI, and Ethernet interfaces.

  10. What are the recommended PCB layout guidelines for SMF78A-T13?

    • It is recommended to keep the traces short and direct, place the diode close to the protected IC, and provide a low impedance ground connection.