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MF-RX300/72-2 - Bourns

Description: Polymeric PTC Resettable Fuse 72V 3 A Ih Through Hole Radial, Disc

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Symbol
MF-RX300/72-2 - Bourns - PCB symbol
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PCB Footprints
MF-RX300/72-2 - Bourns PCB footprint - Other - Other - MF-RX300/72-2-2
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3D Models
MF-RX300/72-2 - Bourns - 3D model - Other - MF-RX300/72-2-2
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MF-RX300/72-2 Details

  • Manufacturer Part Number:

    MF-RX300/72-2

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    RADIAL LEADED

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    Bourns Inc

  • YTEOL:

    7

  • Additional Feature:

    RMIN AT 23 DEG CEL

  • 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:

    26.67 mm

  • Package Length:

    20.67 mm

  • Package Shape:

    RECTANGULAR PACKAGE

  • Package Style:

    Radial

  • Package Width:

    3.1 mm

  • Packing Method:

    TR, 15 INCH

  • Reference Standard:

    CUL; TUV; UL

  • Resistance:

    0.04 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:

    72 V

MF-RX300/72-2 Frequently Asked Questions (FAQs)

  • A good PCB layout for the MF-RX300/72-2 involves keeping the input and output traces as short as possible, using a solid ground plane, and minimizing the distance between the transformer and the switching components. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure reliability in high-temperature applications, it's essential to follow proper derating guidelines, ensure good airflow, and avoid exceeding the maximum operating temperature of 125°C. Additionally, consider using a thermally conductive material for the PCB and ensure that the transformer is properly secured to the PCB.
  • The recommended creepage distance for the MF-RX300/72-2 is 2.5 mm, which is the minimum distance between the primary and secondary windings. This ensures that the transformer meets the necessary safety standards and regulations.
  • No, the MF-RX300/72-2 is designed for isolated topologies only. Using it in a non-isolated topology can compromise safety and may lead to electrical shock or other hazards.
  • The maximum recommended voltage for the MF-RX300/72-2 is 300 VRMS. Exceeding this voltage can lead to reduced reliability, decreased performance, or even failure of the transformer.

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MF-RX300/72-2 Overview

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