Littelfuse Inc.
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
TPSMF4L45A
Zobrazit detail DataSheets

TPSMF4L45A Product Overview

Introduction

The TPSMF4L45A is a semiconductor product belonging to the category of transient voltage suppressor diodes. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the TPSMF4L45A.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against transient voltage spikes
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SOD-123FL
  • Essence: Semiconductor device for voltage spike suppression
  • Packaging/Quantity: Typically available in reels or tubes with varying quantities

Specifications

  • Voltage Rating: 45V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to 150°C
  • Storage Temperature Range: -55°C to 175°C
  • RoHS Compliance: Yes

Detailed Pin Configuration

The TPSMF4L45A typically follows the standard SOD-123FL package pin configuration, with specific details available in the manufacturer's datasheet.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage transients and surges.
  • Fast Response Time: Rapidly clamps transient voltages to protect downstream components.
  • Low Clamping Voltage: Limits the voltage across protected circuits during transient events.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited power dissipation capability
  • May require additional circuitry for comprehensive surge protection

Working Principles

The TPSMF4L45A operates by diverting excessive transient currents away from sensitive components, thereby limiting the voltage across the protected circuit. When a transient voltage spike occurs, the diode rapidly conducts, providing a low-impedance path for the excess current to flow through, thus protecting the downstream circuitry.

Detailed Application Field Plans

The TPSMF4L45A finds applications in various electronic systems requiring protection against voltage transients, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • TPSMF Series: TPSMF4L48A, TPSMF4L51A, TPSMF4L58A
  • Alternative Manufacturers: Vishay, ON Semiconductor, STMicroelectronics

In conclusion, the TPSMF4L45A 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. However, its limited power dissipation capability and potential need for additional surge protection circuitry should be considered when designing for high-energy transient environments.

Word count: 404

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TPSMF4L45A v technických řešeních

  1. What is TPSMF4L45A?

    • TPSMF4L45A is a transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What is the maximum peak pulse power of TPSMF4L45A?

    • The maximum peak pulse power of TPSMF4L45A is 400 watts.

  3. What is the breakdown voltage of TPSMF4L45A?

    • The breakdown voltage of TPSMF4L45A is 45 volts.

  4. What are the typical applications of TPSMF4L45A?

    • TPSMF4L45A is commonly used in telecommunications equipment, consumer electronics, industrial automation, and automotive electronics for surge protection.

  5. What is the operating temperature range of TPSMF4L45A?

    • TPSMF4L45A has an operating temperature range of -55°C to +150°C.

  6. How does TPSMF4L45A provide transient voltage suppression?

    • TPSMF4L45A clamps the voltage during transient events, diverting excess current away from sensitive components and limiting the voltage to a safe level.

  7. Is TPSMF4L45A RoHS compliant?

    • Yes, TPSMF4L45A is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  8. What package type is TPSMF4L45A available in?

    • TPSMF4L45A is available in a surface mount SMA package.

  9. What are the key features of TPSMF4L45A?

    • Some key features of TPSMF4L45A include low clamping voltage, fast response time, and high surge capability.

  10. Can TPSMF4L45A be used for protecting sensitive microcontrollers and ICs?

    • Yes, TPSMF4L45A is suitable for protecting sensitive microcontrollers, ICs, and other electronic components from voltage transients.