Littelfuse Inc.
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
MICROSMD450LR-2
Ver Detalle Hojas de datos

MICROSMD450LR-2

Introduction

The MICROSMD450LR-2 is a surface mount device (SMD) belonging to the category of electronic components. This component is widely used in various electronic applications due to its unique characteristics and functional features.

Basic Information Overview

  • Category: Electronic Component
  • Use: Overcurrent Protection
  • Characteristics: Low Resistance, Surface Mount Design
  • Package: SMD Package
  • Essence: Overcurrent Protection for Electronic Circuits
  • Packaging/Quantity: Available in Tape and Reel Packaging, Quantity Varies

Specifications

  • Model: MICROSMD450LR-2
  • Resistance: Low
  • Mounting Type: Surface Mount
  • Maximum Voltage: Varies
  • Operating Temperature Range: -40°C to 85°C
  • Dimensions: Varies based on package type

Detailed Pin Configuration

The MICROSMD450LR-2 features a standard surface mount pin configuration with specific pin assignments for easy integration into circuit designs.

Functional Features

  • Overcurrent Protection: The MICROSMD450LR-2 provides reliable overcurrent protection for electronic circuits, preventing damage from excessive current flow.
  • Low Resistance: With its low resistance characteristics, this component minimizes voltage drops and power losses in the circuit.

Advantages and Disadvantages

Advantages

  • Effective Overcurrent Protection
  • Low Resistance Design
  • Compact Surface Mount Package

Disadvantages

  • Limited Maximum Voltage Handling
  • Sensitive to Improper Handling during Installation

Working Principles

The MICROSMD450LR-2 operates based on the principle of resistive heating. When an excessive current flows through the component, the resistance generates heat, triggering a change in its electrical properties and limiting the current flow to protect the circuit.

Detailed Application Field Plans

The MICROSMD450LR-2 is commonly used in various electronic applications, including: - Power Supplies - Battery Management Systems - Motor Control Circuits - LED Lighting Systems

Detailed and Complete Alternative Models

  • MICROSMD500LR-2: Higher current handling capacity
  • MICROSMD400LR-2: Lower resistance for specific applications
  • MICROSMD450HR-2: Higher voltage handling capability

In conclusion, the MICROSMD450LR-2 is a crucial electronic component that offers effective overcurrent protection and low resistance characteristics. Its compact surface mount design makes it suitable for a wide range of electronic applications, providing essential protection for sensitive circuits.

Word Count: 330

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MICROSMD450LR-2 en soluciones técnicas

  1. What is the MICROSMD450LR-2 used for?

    • The MICROSMD450LR-2 is a polymeric positive temperature coefficient (PPTC) device used to protect against overcurrent and overtemperature conditions in electronic circuits.

  2. What is the maximum voltage rating of the MICROSMD450LR-2?

    • The maximum voltage rating of the MICROSMD450LR-2 is typically 30V.

  3. What is the hold current of the MICROSMD450LR-2?

    • The hold current of the MICROSMD450LR-2 is typically 4.5A.

  4. How does the MICROSMD450LR-2 respond to overcurrent conditions?

    • When an overcurrent condition occurs, the resistance of the MICROSMD450LR-2 increases rapidly, limiting the current flow and protecting the circuit.

  5. Can the MICROSMD450LR-2 be reset after tripping?

    • Yes, the MICROSMD450LR-2 is a resettable device, meaning it will return to its low-resistance state once the fault condition is removed.

  6. What are the typical applications of the MICROSMD450LR-2?

    • The MICROSMD450LR-2 is commonly used in battery packs, power supplies, and other electronic systems to provide overcurrent protection.

  7. Is the MICROSMD450LR-2 suitable for automotive applications?

    • Yes, the MICROSMD450LR-2 is suitable for automotive applications and complies with relevant industry standards.

  8. What is the operating temperature range of the MICROSMD450LR-2?

    • The operating temperature range of the MICROSMD450LR-2 is typically -40°C to 85°C.

  9. Does the MICROSMD450LR-2 require any external components for operation?

    • No, the MICROSMD450LR-2 is a standalone PPTC device and does not require additional external components for its operation.

  10. Where can I find detailed specifications and application notes for the MICROSMD450LR-2?

    • Detailed specifications and application notes for the MICROSMD450LR-2 can be found in the product datasheet provided by the manufacturer or on their official website.