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RF3177-000 - LITTELFUSE

Description: Resettable Fuses - PPTC 240V 2.0A-HD 20A MAX

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RF3177-000 - LITTELFUSE  - 3D model
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RF3177-000 Details

  • Manufacturer Part Number:

    RF3177-000

  • 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:

    7.4

  • Circuit RMS Voltage-Max:

    240 V

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    33.8 mm

  • Package Length:

    24.9 mm

  • Package Style:

    Radial

  • Package Width:

    6.1 mm

  • Packing Method:

    BULK

  • Reference Standard:

    CSA; TUV; UL

  • Resistance:

    0.089 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Thermistor Application:

    TEMPERATURE SENSING

  • Working Voltage:

    240 V

RF3177-000 Frequently Asked Questions (FAQs)

  • A good PCB layout for the RF3177-000 should ensure that the fuse is placed in a location that allows for good heat dissipation, and that the traces leading to the fuse are wide enough to handle the maximum current rating. Additionally, it's recommended to keep the fuse away from high-frequency components and to use a solid ground plane to reduce electromagnetic interference.
  • While the RF3177-000 has a rated operating temperature range of -40°C to 85°C, it's possible to use it in high-temperature applications with some precautions. However, the fuse's melting point and current rating may be affected at higher temperatures, so it's essential to consult with Littelfuse Inc or a qualified engineer to determine the fuse's suitability for the specific application.
  • The RF3177-000 is designed to handle inrush currents, but its response depends on the specific application and the magnitude of the inrush current. In general, the fuse is designed to withstand brief inrush currents, but sustained high currents can cause the fuse to blow. It's essential to consider the inrush current profile of the application and select a fuse with an appropriate I²t rating.
  • The RF3177-000 has a rated voltage of 250V AC, but it's not recommended to use it in high-voltage applications above 250V AC. Using the fuse in high-voltage applications can lead to premature failure or reduced performance. If a higher voltage rating is required, consider using a different fuse model or consulting with Littelfuse Inc for a custom solution.
  • To ensure the reliability and performance of the RF3177-000, it's essential to store and handle the fuse according to Littelfuse Inc's recommendations. This includes storing the fuse in a cool, dry place, away from direct sunlight and moisture, and handling the fuse by the body rather than the leads to prevent damage.

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RF3177-000 Overview

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