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RUEF500K - LITTELFUSE

Description: Resettable Fuses - PPTC 5A 30V 40A Imax

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RUEF500K - LITTELFUSE  - 3D model
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RUEF500K Details

  • Manufacturer Part Number:

    RUEF500K

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    RADIAL LEADED

  • Reach Compliance Code:

    Unknown

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7

  • Additional Feature:

    Rmax:0.03 OHMS AT 20 DEG CEL

  • Circuit RMS Voltage-Max:

    30 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:

    25.6 mm

  • Package Length:

    14 mm

  • Package Shape:

    RECTANGULAR PACKAGE

  • Package Style:

    Radial

  • Package Width:

    3 mm

  • Packing Method:

    BULK

  • Reference Standard:

    CSA, TUV, UL

  • Resistance:

    0.01 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin (Sn)

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Thermistor Application:

    OVERCURRENT PROTECTION

  • Working Voltage:

    30 V

RUEF500K Frequently Asked Questions (FAQs)

  • The RUEF500K is designed to be mounted horizontally on a heat sink or PCB with a thermal interface material (TIM) to ensure optimal thermal performance.
  • Proper cooling can be achieved by providing adequate airflow, using a heat sink with a thermal conductivity of at least 1 W/m-K, and applying a thermal interface material (TIM) with a thermal conductivity of at least 5 W/m-K.
  • The maximum allowed voltage imbalance across the RUEF500K is ±10% of the rated voltage to ensure reliable operation and prevent damage to the device.
  • Yes, the RUEF500K can be used in parallel or series configurations, but it's essential to ensure that the devices are properly matched and that the total current rating is not exceeded.
  • A fast-acting fuse with a rating of 500A or less is recommended to protect the RUEF500K from overcurrent conditions.

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RUEF500K Overview

Use the download button to access the RUEF500K 3D model. You can still request or build the schematic symbol and PCB footprint by using the respective build or request forms on this page.
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Part Image RUEF500K-AP Littelfuse Inc

PTC Resettable Fuse, 0.05ohm, Through Hole Mount

Part Image RUEF500K-AP TE Connectivity

PTC Resettable Fuse, 0.05ohm, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT

Part Image RUEF500K TE Connectivity

PTC Resettable Fuse, 0.05ohm, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT