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MF-R055/90-2
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MF-R055/90-2 Product Overview

Introduction

The MF-R055/90-2 is a resettable fuse belonging to the category of electronic components. This versatile device is widely used in various electronic circuits and systems due to its unique characteristics and functional features.

Basic Information Overview

  • Category: Electronic Components
  • Use: Overcurrent Protection
  • Characteristics: Resettable, Reliable, Compact
  • Package: Radial Leaded
  • Essence: Provides overcurrent protection in electronic circuits
  • Packaging/Quantity: Typically packaged in reels of 1000 units

Specifications

  • Hold Current: 0.55A
  • Trip Current: 1.1A
  • Voltage Rating: 90V
  • Operating Temperature Range: -40°C to 85°C
  • Maximum Time-to-Trip: 60 seconds at 1.5x current rating

Detailed Pin Configuration

The MF-R055/90-2 features a radial leaded package with two pins for easy integration into circuit boards.

Functional Features

  • Resettable Fuse: Automatically resets after the fault condition is removed
  • Overcurrent Protection: Safeguards electronic circuits from excessive current
  • Compact Design: Space-efficient and suitable for miniaturized applications

Advantages and Disadvantages

Advantages

  • Resettable nature increases longevity
  • Reliable overcurrent protection
  • Compact size for space-constrained designs

Disadvantages

  • Limited maximum voltage rating compared to some alternatives
  • May have slower response time compared to traditional fuses

Working Principles

The MF-R055/90-2 operates based on the principle of positive temperature coefficient (PTC) resistance. When an overcurrent condition occurs, the device heats up and its resistance increases, limiting the current flow through the circuit. Once the fault is removed, the device cools down and returns to its low-resistance state.

Detailed Application Field Plans

The MF-R055/90-2 is commonly used in various electronic applications, including: - Consumer Electronics - Automotive Electronics - Industrial Control Systems - Telecommunications Equipment

Detailed and Complete Alternative Models

For applications requiring different specifications or form factors, alternative models to consider include: - MF-R110 - MF-R160 - MF-MSMF Series

In conclusion, the MF-R055/90-2 resettable fuse offers reliable overcurrent protection in a compact and resettable form factor, making it a valuable component in a wide range of electronic applications.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MF-R055/90-2 i tekniske løsninger

  1. What is MF-R055/90-2?

    • MF-R055/90-2 is a type of resettable fuse, also known as a PTC (positive temperature coefficient) thermistor, commonly used for overcurrent protection in electronic circuits.

  2. What are the typical applications of MF-R055/90-2?

    • MF-R055/90-2 is commonly used in battery packs, power supplies, and other electronic devices to protect against overcurrent conditions.

  3. How does MF-R055/90-2 work?

    • When an overcurrent condition occurs, the resistance of MF-R055/90-2 increases, limiting the current flow and protecting the circuit. Once the fault is removed, the device resets itself.

  4. What are the key specifications of MF-R055/90-2?

    • The MF-R055/90-2 typically has a hold current of 0.55A, a trip current of 1.1A, and a maximum voltage rating of 30V.

  5. Can MF-R055/90-2 be used in automotive applications?

    • Yes, MF-R055/90-2 can be used in automotive applications where overcurrent protection is required, such as in vehicle electronics or battery management systems.

  6. Are there any temperature limitations for using MF-R055/90-2?

    • MF-R055/90-2 has a specified operating temperature range, typically from -40°C to 85°C, making it suitable for a wide range of environments.

  7. Is MF-R055/90-2 suitable for high-power applications?

    • MF-R055/90-2 is designed for low to moderate power applications and may not be suitable for high-power circuits or industrial equipment.

  8. Can MF-R055/90-2 be used in series or parallel configurations?

    • Yes, MF-R055/90-2 can be used in both series and parallel configurations to achieve the desired overcurrent protection characteristics.

  9. What are the advantages of using MF-R055/90-2 over traditional fuses?

    • MF-R055/90-2 offers the advantage of being resettable, eliminating the need for replacement after a fault condition, and provides faster response to overcurrent events.

  10. Where can I purchase MF-R055/90-2 for my technical solution?

    • MF-R055/90-2 can be purchased from electronic component distributors, online retailers, or directly from manufacturers specializing in circuit protection devices.