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RXEF030-2 - LITTELFUSE

Description: Polymeric PTC Resettable Fuse 72V 300 mA Ih Through Hole Radial, Disc

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Symbol
RXEF030-2 - LITTELFUSE - PCB symbol
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PCB Footprints
RXEF030-2 - LITTELFUSE PCB footprint - Other - Other - RXEF030-2-4
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3D Models
RXEF030-2 - LITTELFUSE - 3D model - Other - RXEF030-2-4
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RXEF030-2 Details

  • Manufacturer Part Number:

    RXEF030-2

  • 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:1.33 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:

    TR, 15 INCH

  • Reference Standard:

    CSA; CQC; TUV; UL

  • Resistance:

    0.88 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Working Voltage:

    72 V

RXEF030-2 Frequently Asked Questions (FAQs)

  • A good PCB layout for the RXEF030-2 should ensure that the fuse is placed in a location that allows for good airflow and heat dissipation. The PCB should also be designed to minimize thermal resistance and ensure that the fuse is not in close proximity to other heat-generating components.
  • To select the correct fuse rating, you need to consider the maximum current and voltage ratings of your circuit. You should choose a fuse with a rating that is slightly higher than the maximum expected current and voltage of your circuit. You should also consider the ambient temperature and the type of load being protected.
  • The response time of the RXEF030-2 is typically in the range of 1-10 milliseconds, depending on the magnitude of the overcurrent condition. The fuse will melt and open the circuit quickly to prevent damage to the protected components.
  • Yes, the RXEF030-2 is suitable for use in high-reliability applications. It is designed to meet the requirements of IEC 60269-1 and UL 248-14, and it has a high melting integral (HMI) construction that ensures reliable operation in harsh environments.
  • No, it is not recommended to use multiple RXEF030-2 fuses in parallel to increase the current rating. This can lead to uneven current sharing and reduce the overall reliability of the circuit. Instead, you should select a fuse with a higher current rating or use a different type of overcurrent protection device.

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RXEF030-2 Overview

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