Littelfuse Inc.
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RXEF090-2
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RXEF090-2

Product Overview

Category: Electronic Component
Use: Overcurrent Protection
Characteristics: Fast-acting, Surface Mount Device (SMD)
Package: Radial Leaded
Essence: Fuse for overcurrent protection
Packaging/Quantity: Tape and Reel, 1000 pieces

Specifications

  • Rated Current: 0.9A
  • Rated Voltage: 72V DC
  • Breaking Capacity: 50A
  • Operating Temperature Range: -40°C to 85°C
  • Agency Approvals: cURus

Detailed Pin Configuration

The RXEF090-2 fuse has a radial leaded package with two pins. The pin configuration is as follows: - Pin 1: Connected to one end of the fuse element - Pin 2: Connected to the other end of the fuse element

Functional Features

  • Fast-acting response to overcurrent conditions
  • Surface mount design for easy integration into circuit boards
  • Reliable overcurrent protection for electronic circuits

Advantages and Disadvantages

Advantages: - Fast-acting response helps protect sensitive electronic components - Surface mount design saves space on circuit boards - Reliable performance under overcurrent conditions

Disadvantages: - Limited breaking capacity compared to some larger fuses - May require additional circuit protection for higher current applications

Working Principles

The RXEF090-2 fuse operates based on the principle of thermal protection. When an overcurrent condition occurs, the fuse element heats up and melts, interrupting the circuit and protecting downstream components from damage.

Detailed Application Field Plans

The RXEF090-2 fuse is commonly used in various electronic devices and equipment, including: - Power supplies - Battery chargers - LED lighting systems - Consumer electronics

Detailed and Complete Alternative Models

  • RXEF110-2: Higher rated current (1.1A) for increased protection
  • RXEF070-2: Lower rated current (0.7A) for more sensitive applications
  • RXEF120-2: Higher breaking capacity (120A) for robust overcurrent protection

In conclusion, the RXEF090-2 fuse is a reliable and fast-acting overcurrent protection component suitable for a wide range of electronic applications. Its surface mount design and thermal protection principle make it an essential part of modern electronic circuit protection strategies.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací RXEF090-2 v technických řešeních

Sure, here are 10 common questions and answers related to the application of RXEF090-2 in technical solutions:

  1. What is the maximum voltage rating of RXEF090-2?

    • The maximum voltage rating of RXEF090-2 is 72V.

  2. What is the hold current of RXEF090-2?

    • The hold current of RXEF090-2 is 0.9A.

  3. What is the maximum interrupt rating of RXEF090-2?

    • The maximum interrupt rating of RXEF090-2 is 50A at 72VDC.

  4. What is the operating temperature range of RXEF090-2?

    • The operating temperature range of RXEF090-2 is -40°C to 85°C.

  5. What is the typical resistance of RXEF090-2?

    • The typical resistance of RXEF090-2 is 0.09 ohms.

  6. Is RXEF090-2 RoHS compliant?

    • Yes, RXEF090-2 is RoHS compliant.

  7. Can RXEF090-2 be used in automotive applications?

    • Yes, RXEF090-2 is suitable for use in automotive applications.

  8. What is the response time of RXEF090-2?

    • The response time of RXEF090-2 is typically less than 5 seconds at 200% of its rated current.

  9. Is RXEF090-2 suitable for overcurrent protection in battery management systems?

    • Yes, RXEF090-2 is commonly used for overcurrent protection in battery management systems.

  10. Can RXEF090-2 be soldered onto a PCB?

    • Yes, RXEF090-2 can be soldered onto a PCB using standard reflow or wave soldering processes.

I hope these answers provide the information you were looking for! If you have any more questions, feel free to ask.