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RXEF065 - LITTELFUSE

Description: Littelfuse 0.65A Radial Leaded PCB Mount Resettable Fuse, 72V

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PCB Footprints
RXEF065 - LITTELFUSE PCB footprint - Other - Other - RXEF065-2
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3D Models
RXEF065 - LITTELFUSE  - 3D model - Other - RXEF065-2
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RXEF065 Details

  • Manufacturer Part Number:

    RXEF065

  • 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:0.48 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:

    14.5 mm

  • Package Length:

    9.4 mm

  • Package Shape:

    DISK PACKAGE

  • Package Style:

    Radial

  • Package Width:

    3 mm

  • Packing Method:

    BULK

  • Reference Standard:

    CSA; CQC; TUV; UL

  • Resistance:

    0.31 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Working Voltage:

    72 V

RXEF065 Frequently Asked Questions (FAQs)

  • A good PCB layout for the RXEF065 should ensure good thermal conductivity. This can be achieved by using a large copper pad under the device, connecting it to a thermal relief pattern, and using thermal vias to dissipate heat to the bottom layer. Additionally, keeping the component away from other heat sources and using a thermal interface material can improve thermal performance.
  • To select the correct fuse rating, consider the maximum current and voltage requirements of your application. The RXEF065 has a maximum voltage rating of 65V and a maximum current rating of 65A. Choose a fuse rating that is below the maximum current rating and above the maximum expected current in your application. Also, consider the fuse's melting I²t value, which should be higher than the maximum energy let-through of your application.
  • For high-reliability applications, consider the RXEF065's operating temperature range, which is -40°C to 125°C. Ensure that the device is operated within this range to maintain its reliability. Additionally, follow proper soldering and assembly procedures to prevent defects. It's also essential to perform thorough testing and validation to ensure the device meets the application's requirements.
  • The RXEF065 is designed to operate within a specific voltage range. In overvoltage conditions, the device may experience increased power dissipation, which can lead to thermal runaway. In undervoltage conditions, the device may not function correctly. It's essential to ensure the device operates within the recommended voltage range to maintain its performance and reliability.
  • The RXEF065 has built-in ESD protection, but it's still essential to follow proper ESD handling procedures during assembly and testing. Ensure that the device is handled in an ESD-controlled environment, and use ESD-protective packaging and materials to prevent damage.

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RXEF065 Overview

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