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RF2637-000 - LITTELFUSE

Description: Littelfuse 1.6A Hold current, Radial Resettable Wire Ended Fuses, 72 V dc, 72 V ac

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PCB Footprints
RF2637-000 - LITTELFUSE PCB footprint - Other - Other - RF2637-000-1
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3D Models
RF2637-000 - LITTELFUSE  - 3D model - Other - RF2637-000-1
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RF2637-000 Details

  • Manufacturer Part Number:

    RF2637-000

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    RADIAL LEADED, ROHS COMPLIANT

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7

  • Additional Feature:

    RESISTANCE RANGE(MIN-MAX): 0.09-0.14

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Shape:

    DISK PACKAGE

  • Packing Method:

    BULK

  • Rated Power Dissipation (P):

    1.9 W

  • Resistance:

    0.22 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Thermistor Application:

    TEMPERATURE SENSING

RF2637-000 Frequently Asked Questions (FAQs)

  • A good PCB layout for the RF2637-000 involves keeping the input and output traces as short as possible, using a solid ground plane, and minimizing the distance between the fuse and the circuit it's protecting. A 4-layer PCB with a dedicated ground plane is recommended.
  • The RF2637-000 is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's essential to consider the fuse's melting I²t rating, which decreases with increasing temperature. Consult the datasheet for specific temperature derating information.
  • Yes, the RF2637-000 is suitable for high-reliability and safety-critical applications due to its high melting I²t rating, low voltage drop, and fast-acting characteristics. However, it's essential to follow proper design and validation procedures to ensure the fuse meets the specific application requirements.
  • The RF2637-000 is a resettable fuse, which offers advantages over traditional ceramic or polymer fuses, including faster response times, lower voltage drop, and the ability to reset after a fault. However, ceramic or polymer fuses may be more suitable for specific applications requiring higher voltage or current ratings.
  • Store the RF2637-000 in a cool, dry place, away from direct sunlight and moisture. Handle the fuse by the body, avoiding touching the leads or electrical contacts to prevent damage or contamination. Follow proper ESD precautions when handling the fuse.

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RF2637-000 Overview

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