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RXEF025 - LITTELFUSE

Description: Littelfuse 0.25A Radial Leaded PCB Mount Resettable Fuse, 72V

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RXEF025 - LITTELFUSE  - 3D model
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RXEF025 Details

  • Manufacturer Part Number:

    RXEF025

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    RADIAL LEADED

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7.4

  • Additional Feature:

    Rmax:1.95 OHMS AT 20 DEG CEL

  • Circuit RMS Voltage-Max:

    72 V

  • JESD-609 Code:

    e3

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    12.7 mm

  • Package Length:

    7.4 mm

  • Package Shape:

    DISK PACKAGE

  • Package Style:

    Radial

  • Package Width:

    3 mm

  • Packing Method:

    BULK

  • Reference Standard:

    CSA; CQC; TUV; UL

  • Resistance:

    1.25 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Finish:

    TIN

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Working Voltage:

    72 V

RXEF025 Frequently Asked Questions (FAQs)

  • A good PCB layout for RXEF025 involves keeping the input and output traces separate, using a ground plane, and placing the fuse as close to the power source as possible. Additionally, using a shielded cable and keeping the fuse away from high-frequency components can help minimize EMI.
  • The RXEF025 is designed to open (blow) in the event of an overvoltage condition, protecting the downstream circuitry. However, it's essential to ensure that the fuse is properly sized for the application to prevent nuisance tripping.
  • The RXEF025 is rated for operation up to 125°C, but its performance may degrade at higher temperatures. It's essential to derate the fuse's current rating according to the temperature derating curve provided in the datasheet.
  • To select the correct RXEF025 fuse, consider the maximum current, voltage, and power requirements of your application. Also, ensure that the fuse's interrupting rating is sufficient to handle the available fault current.
  • Store RXEF025 fuses in their original packaging, away from direct sunlight, moisture, and extreme temperatures. Handle the fuses by the body, avoiding touching the leads or glass body to prevent damage or contamination.

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RXEF025 Overview

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