Littelfuse Inc.
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MICROSMD450LR-C-2
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MICROSMD450LR-C-2

Product Overview

Category: Electronic Component
Use: Overcurrent Protection
Characteristics: Low resistance, compact size
Package: Surface Mount Device (SMD)
Essence: Provides overcurrent protection in electronic circuits
Packaging/Quantity: Reel packaging, 3000 units per reel

Specifications

  • Model: MICROSMD450LR-C-2
  • Resistance: 0.45 ohms
  • Maximum Voltage: 15V
  • Current Rating: 3A
  • Operating Temperature Range: -55°C to 125°C

Detailed Pin Configuration

The MICROSMD450LR-C-2 features a surface mount design with two terminals for easy integration into circuit boards.

Functional Features

  • Provides overcurrent protection by limiting the current flow in the event of a fault
  • Low resistance minimizes power loss and voltage drop across the device
  • Compact size allows for space-efficient circuit designs

Advantages and Disadvantages

Advantages: - Effective overcurrent protection - Low power dissipation - Space-saving design

Disadvantages: - Limited maximum voltage and current ratings - Sensitive to temperature extremes

Working Principles

The MICROSMD450LR-C-2 operates based on the principle of resistive heating. When an excessive current flows through the device, the resistance causes it to heat up, limiting the current flow and protecting the circuit.

Detailed Application Field Plans

  • Consumer electronics
  • Automotive electronics
  • Industrial control systems
  • Telecommunications equipment

Detailed and Complete Alternative Models

  1. MICROSMD500LR-C-2
    • Resistance: 0.5 ohms
    • Maximum Voltage: 20V
    • Current Rating: 3A
  2. MICROSMD400LR-C-2
    • Resistance: 0.4 ohms
    • Maximum Voltage: 12V
    • Current Rating: 3A
  3. MICROSMD600LR-C-2
    • Resistance: 0.6 ohms
    • Maximum Voltage: 18V
    • Current Rating: 3A

This completes the entry for MICROSMD450LR-C-2, providing comprehensive information about its category, use, characteristics, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق MICROSMD450LR-C-2 في الحلول التقنية

  1. What is the operating voltage range of MICROSMD450LR-C-2?

    • The operating voltage range of MICROSMD450LR-C-2 is typically from 6V to 60V.

  2. What is the maximum current rating of MICROSMD450LR-C-2?

    • The maximum current rating of MICROSMD450LR-C-2 is 4.5A.

  3. What are the typical applications for MICROSMD450LR-C-2?

    • MICROSMD450LR-C-2 is commonly used in overcurrent and overvoltage protection in various electronic circuits, such as power supplies, battery packs, and automotive electronics.

  4. Does MICROSMD450LR-C-2 have a fast response time?

    • Yes, MICROSMD450LR-C-2 has a fast response time, making it suitable for protecting sensitive electronic components from transient events.

  5. Is MICROSMD450LR-C-2 RoHS compliant?

    • Yes, MICROSMD450LR-C-2 is RoHS compliant, ensuring it meets environmental standards.

  6. What is the temperature range for operation of MICROSMD450LR-C-2?

    • MICROSMD450LR-C-2 is designed to operate within a temperature range of -55°C to 125°C.

  7. Can MICROSMD450LR-C-2 be used in automotive applications?

    • Yes, MICROSMD450LR-C-2 is suitable for use in automotive applications due to its robust design and high reliability.

  8. Does MICROSMD450LR-C-2 require any external components for proper operation?

    • No, MICROSMD450LR-C-2 is a self-contained device and does not require any external components for its operation.

  9. What is the typical hold current of MICROSMD450LR-C-2?

    • The typical hold current of MICROSMD450LR-C-2 is 4.5A, ensuring it can withstand continuous current flow without tripping.

  10. Is MICROSMD450LR-C-2 available in different package sizes?

    • Yes, MICROSMD450LR-C-2 is available in various package sizes to accommodate different PCB layouts and space constraints.