Littelfuse Inc.
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RUEF400K-AP
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RUEF400K-AP Encyclopedia Entry

Product Overview

Category

The RUEF400K-AP belongs to the category of resettable fuses.

Use

It is used for overcurrent protection in various electronic circuits and devices.

Characteristics

  • Resettable
  • Low resistance
  • Fast response time

Package

The RUEF400K-AP comes in a small surface-mount package.

Essence

The essence of the RUEF400K-AP lies in its ability to provide reliable overcurrent protection while being resettable.

Packaging/Quantity

It is typically packaged in reels with a specific quantity per reel.

Specifications

  • Maximum Voltage:
  • Maximum Current:
  • Hold Current:
  • Trip Current:
  • Operating Temperature Range:

Detailed Pin Configuration

The detailed pin configuration of the RUEF400K-AP includes the identification of each pin and its corresponding function within the circuit.

Functional Features

  • Resettable functionality
  • Low resistance for minimal power loss
  • Fast response time for effective protection

Advantages and Disadvantages

Advantages

  • Resettable, eliminating the need for replacement after a fault
  • Low resistance minimizes power loss
  • Fast response time ensures quick protection

Disadvantages

  • Limited maximum current handling capability
  • Sensitive to voltage spikes

Working Principles

The RUEF400K-AP operates based on the principle of positive temperature coefficient (PTC) behavior, where its resistance increases rapidly when the current exceeds the trip threshold, effectively limiting the current flow.

Detailed Application Field Plans

The RUEF400K-AP is suitable for use in various electronic devices and circuits, including but not limited to: - Consumer electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • RUEF300K-AP
  • RUEF500K-AP
  • RUEF600K-AP

In conclusion, the RUEF400K-AP is a resettable fuse designed to provide reliable overcurrent protection in electronic circuits and devices. Its characteristics, functional features, advantages, and working principles make it a valuable component in various applications.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق RUEF400K-AP في الحلول التقنية

  1. What is the RUEF400K-AP?

    • The RUEF400K-AP is a resettable thermal fuse designed to protect electrical circuits from overcurrent and overtemperature conditions.

  2. What is the maximum voltage and current rating of the RUEF400K-AP?

    • The RUEF400K-AP has a maximum voltage rating of 30V and a maximum current rating of 40A.

  3. How does the RUEF400K-AP work in technical solutions?

    • The RUEF400K-AP operates by disconnecting the circuit when it detects an overcurrent or overtemperature condition, effectively protecting the components from damage.

  4. What are the typical applications for the RUEF400K-AP?

    • The RUEF400K-AP is commonly used in battery packs, power supplies, motor drives, and other electronic devices where overcurrent protection is required.

  5. What is the operating temperature range of the RUEF400K-AP?

    • The RUEF400K-AP has an operating temperature range of -40°C to 85°C, making it suitable for a wide range of environments.

  6. Is the RUEF400K-AP suitable for automotive applications?

    • Yes, the RUEF400K-AP is suitable for automotive applications and complies with relevant industry standards.

  7. Can the RUEF400K-AP be used in high-power applications?

    • Yes, the RUEF400K-AP's high current rating makes it suitable for use in high-power applications such as industrial equipment and power distribution systems.

  8. Does the RUEF400K-AP require any special mounting considerations?

    • The RUEF400K-AP can be surface-mounted or through-hole mounted, and its compact size allows for flexible installation in various technical solutions.

  9. What is the expected lifespan of the RUEF400K-AP?

    • The RUEF400K-AP has a long lifespan and can withstand multiple trip events, making it reliable for continuous use in technical solutions.

  10. Are there any specific design considerations when integrating the RUEF400K-AP into a technical solution?

    • It is important to consider the thermal management and current-carrying capacity of the PCB traces when integrating the RUEF400K-AP to ensure optimal performance and reliability.