Littelfuse Inc.
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RUEF700K
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RUEF700K

Product Overview

Category

RUEF700K 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 RUEF700K comes in a small, surface-mount package.

Essence

The essence of RUEF700K lies in its ability to provide reliable overcurrent protection while being resettable, unlike traditional fuses.

Packaging/Quantity

It is typically packaged in reels containing a specific quantity, such as 3000 units per reel.

Specifications

  • Maximum Voltage: 30V
  • Hold Current: 7A
  • Trip Current: 14A
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The RUEF700K has two pins for connection. Pin 1 is the input terminal, and pin 2 is the output terminal.

Functional Features

  • Overcurrent protection
  • Resettable functionality
  • Low power dissipation

Advantages

  • Resettable nature allows for reuse
  • Fast response time
  • Low resistance minimizes power loss

Disadvantages

  • Limited maximum voltage
  • Trip current may not be adjustable

Working Principles

When the current exceeds the trip current, the RUEF700K heats up and changes its resistance, effectively limiting the current flow. Once the fault is removed, the device cools down and returns to its low-resistance state.

Detailed Application Field Plans

The RUEF700K is commonly used in: - Battery protection circuits - USB power delivery systems - Portable electronic devices

Detailed and Complete Alternative Models

Some alternative models to RUEF700K include: - RUEF800K - RUEF600K - RUEF900K

This list is not exhaustive, and there are several other resettable fuses available in the market with similar or different specifications.

In conclusion, the RUEF700K is a resettable fuse designed for overcurrent protection in electronic circuits, offering fast response times and low resistance. Its application spans across various electronic devices and systems, providing a reliable solution for overcurrent protection.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi RUEF700K dalam penyelesaian teknikal

  1. What is RUEF700K?

    • RUEF700K is a resettable polymeric positive temperature coefficient (PPTC) device used for overcurrent protection in various electronic circuits.

  2. What is the operating voltage of RUEF700K?

    • The operating voltage of RUEF700K is typically 6V DC.

  3. What is the hold current of RUEF700K?

    • The hold current of RUEF700K is 7A.

  4. What is the maximum voltage of RUEF700K?

    • The maximum voltage of RUEF700K is 30V DC.

  5. What are the typical applications of RUEF700K?

    • RUEF700K is commonly used in battery packs, power supplies, and other electronic devices requiring overcurrent protection.

  6. What is the resistance of RUEF700K in its tripped state?

    • The resistance of RUEF700K in its tripped state is very high, effectively limiting the current flow.

  7. Can RUEF700K be used in automotive applications?

    • Yes, RUEF700K can be used in automotive applications where overcurrent protection is required.

  8. What is the reset time of RUEF700K?

    • The reset time of RUEF700K is typically a few seconds after the overcurrent condition is removed.

  9. Is RUEF700K suitable for surface mount technology (SMT) assembly?

    • Yes, RUEF700K is designed for surface mount technology (SMT) assembly, making it suitable for modern electronics manufacturing processes.

  10. What are the advantages of using RUEF700K over traditional fuses?

    • RUEF700K offers the advantage of being resettable, eliminating the need for replacement after a fault condition, and providing more reliable overcurrent protection in the long term.