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RF2561-000 - LITTELFUSE

Description: Resettable Fuses - PPTC 30V 4.0A-HD 40A MAX

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RF2561-000 - LITTELFUSE  - 3D model
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RF2561-000 Details

  • Manufacturer Part Number:

    RF2561-000

  • 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): 0.010-0.030

  • JESD-609 Code:

    e3

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Shape:

    RECTANGULAR PACKAGE

  • Packing Method:

    BULK

  • Rated Power Dissipation (P):

    2.5 W

  • Resistance:

    0.05 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Finish:

    MATTE TIN

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Thermistor Application:

    TEMPERATURE SENSING

RF2561-000 Frequently Asked Questions (FAQs)

  • A good PCB layout for the RF2561-000 involves keeping the input and output traces as short as possible, using a solid ground plane, and minimizing the distance between the device and the antenna. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure proper matching, use a 50-ohm transmission line to connect the RF2561-000 to the antenna. You can also use a pi-network or a T-network to match the impedance. Additionally, use a network analyzer to measure the return loss and adjust the matching components accordingly.
  • The RF2561-000 can handle up to 2W of continuous power. However, it's recommended to derate the power handling to 1.5W or less to ensure reliable operation and minimize the risk of overheating.
  • To troubleshoot issues, start by checking the power supply voltage and ensuring it's within the recommended range. Then, verify the input and output impedance matching. Use a spectrum analyzer to check for spurious emissions and a network analyzer to measure the return loss. Finally, check for any signs of overheating or physical damage.
  • Yes, the RF2561-000 is suitable for high-reliability applications. It's built with a robust design and has undergone rigorous testing to ensure its performance and reliability. However, it's essential to follow proper design and manufacturing guidelines to ensure the device operates within its specified parameters.

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RF2561-000 Overview

Use the download button to access the RF2561-000 3D model. You can still request or build the schematic symbol and PCB footprint by using the respective build or request forms on this page.
To find more CAD model downloads similar to this part, try a partial part number search, like RF256, or try a keyword search, such as Non-linear Resistors

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For a full list of alternate parts for RF2561-000, check out Findchips.com