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AHRF050 - LITTELFUSE

Description: Resettable Fuses - PPTC .5A 30V High Temp AEC-Q200

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PCB Footprints
AHRF050 - LITTELFUSE PCB footprint - Other - Other - 7.4*3.3*12.7mm
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3D Models
AHRF050 - LITTELFUSE  - 3D model - Other - 7.4*3.3*12.7mm
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AHRF050 Details

  • Manufacturer Part Number:

    AHRF050

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Reach Compliance Code:

    Unknown

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7.4

  • Additional Feature:

    Rmin@25 Deg Cel

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    12.7 mm

  • Package Length:

    7.4 mm

  • Package Shape:

    RECTANGULAR PACKAGE

  • Package Style:

    Radial

  • Package Width:

    3.3 mm

  • Packing Method:

    BULK

  • Reference Standard:

    AEC-Q200

  • Resistance:

    0.35 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Thermistor Application:

    OVERCURRENT PROTECTION

  • Working Voltage:

    30 V

AHRF050 Frequently Asked Questions (FAQs)

  • The recommended PCB layout for AHRF050 involves keeping the fuse as close as possible to the power source, using a wide copper trace to reduce resistance, and avoiding sharp corners or bends in the trace to minimize inductance.
  • The AHRF050 is designed to operate up to 125°C, but its melting point is affected by the ambient temperature. At higher temperatures, the fuse may melt at a lower current rating. It's essential to derate the fuse according to the temperature derating curve provided in the datasheet.
  • Yes, the AHRF050 is designed to withstand vibrations up to 10G. However, it's crucial to ensure the fuse is properly secured to the PCB using a suitable mounting method, such as soldering or using a fuse clip, to prevent mechanical stress.
  • The recommended soldering profile for AHRF050 involves a peak temperature of 260°C, with a dwell time of 10-30 seconds. It's essential to follow the soldering profile recommended by Littelfuse to prevent damage to the fuse.
  • The AHRF050 is designed to operate in environments with up to 95% relative humidity. However, it's essential to ensure the fuse is properly sealed or coated to prevent moisture ingress, which can affect its performance and reliability.

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