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AHEF070 - LITTELFUSE

Description: Fuse, PTC, resettable, radial, 0.7A

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Symbol
AHEF070 - LITTELFUSE - PCB symbol
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PCB Footprints
AHEF070 - LITTELFUSE PCB footprint - Other - Other - AHEF070
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3D Models
AHEF070 - LITTELFUSE - 3D model - Other - AHEF070
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AHEF070 Details

  • Manufacturer Part Number:

    AHEF070

  • 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:

    7.4

  • 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:

    10.8 mm

  • Package Length:

    6.9 mm

  • Package Shape:

    RECTANGULAR PACKAGE

  • Package Style:

    Radial

  • Package Width:

    3 mm

  • Packing Method:

    BULK

  • Reference Standard:

    AEC-Q200; UL

  • Resistance:

    0.23 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Thermistor Application:

    OVERCURRENT PROTECTION

  • Working Voltage:

    32 V

AHEF070 Frequently Asked Questions (FAQs)

  • Littelfuse recommends a PCB layout with a large copper area connected to the thermal tab of the device to dissipate heat efficiently. A minimum of 1 oz copper thickness and a thermal relief pattern around the device are also recommended.
  • Yes, the AHEF070 is qualified to AEC-Q101 standards, making it suitable for automotive and high-reliability applications. However, it's essential to review the device's qualification data and ensure it meets the specific requirements of your application.
  • To select the correct fuse rating, consider the maximum current and voltage ratings of your circuit, as well as the fault current and energy let-through requirements. Littelfuse provides a fuse selection guide and online tools to help with this process.
  • Littelfuse recommends a soldering profile with a peak temperature of 260°C (500°F) and a dwell time of 10-30 seconds. It's essential to follow the recommended soldering profile to prevent damage to the device.
  • The AHEF070 is rated for operation up to 125°C (257°F). While it can tolerate high temperatures, it's essential to consider the device's derating curves and ensure it remains within its specified operating conditions.

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