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RKEF300 - LITTELFUSE

Description: Littelfuse 3A Radial Leaded PCB Mount Resettable Fuse, 60V

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RKEF300 - LITTELFUSE  - 3D model
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RKEF300 Details

  • Manufacturer Part Number:

    RKEF300

  • 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

  • Additional Feature:

    Rmin@25 Deg Cel

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    21.2 mm

  • Package Length:

    16.5 mm

  • Package Shape:

    RECTANGULAR PACKAGE

  • Package Style:

    Radial

  • Package Width:

    3 mm

  • Packing Method:

    BULK

  • Reference Standard:

    CSA; TUV; UL

  • Resistance:

    0.03 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Thermistor Application:

    OVERCURRENT PROTECTION

  • Working Voltage:

    60 V

RKEF300 Frequently Asked Questions (FAQs)

  • A good PCB layout for the RKEF300 involves keeping the input and output traces separate, using a solid ground plane, and minimizing the length of the input and output traces. It's also recommended to use a common mode choke or a ferrite bead to filter out high-frequency noise.
  • Proper cooling of the RKEF300 can be achieved by providing adequate airflow, using a heat sink, and ensuring that the device is mounted on a PCB with a good thermal conductivity. It's also important to follow the recommended power derating curves to prevent overheating.
  • Exceeding the maximum ratings of the RKEF300 can lead to reduced lifespan, decreased performance, and even catastrophic failure. It's essential to ensure that the device operates within the recommended specifications to prevent damage and ensure reliable operation.
  • Yes, the RKEF300 is designed to meet the requirements of high-reliability and safety-critical applications. However, it's essential to follow the recommended design and testing procedures to ensure that the device meets the specific requirements of the application.
  • Troubleshooting issues with the RKEF300 involves identifying the symptoms, checking the PCB layout and component values, and verifying that the device is operated within the recommended specifications. It's also recommended to consult the datasheet and application notes for guidance on troubleshooting common issues.

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RKEF300 Overview

Use the download button to access the RKEF300 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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