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LR4-1300SSF - LITTELFUSE

Description: Resettable Fuses - PPTC LR4-1300SSF

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LR4-1300SSF - LITTELFUSE  - 3D model
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LR4-1300SSF Details

  • Manufacturer Part Number:

    LR4-1300SSF

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    AXIAL LEADED

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    8

  • Additional Feature:

    Rmax:0.0065 OHMS AT 20 DEG CEL

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    1.3 mm

  • Package Length:

    66.5 mm

  • Package Shape:

    RECTANGULAR PACKAGE

  • Package Style:

    SMT

  • Package Width:

    10 mm

  • Packing Method:

    BULK

  • Reference Standard:

    AEC-Q200; CSA; TUV; UL

  • Resistance:

    0.0035 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    YES

  • Terminal Placement:

    DUAL ENDED

  • Terminal Shape:

    FLAT

  • Working Voltage:

    20 V

LR4-1300SSF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LR4-1300SSF involves keeping the fuse as close to the power source as possible, using a wide copper trace to connect the fuse to the power source, and minimizing the distance between the fuse and the load. Additionally, it's recommended to use a solid ground plane under the fuse to reduce electromagnetic interference (EMI).
  • To determine the correct fuse rating, you need to consider the maximum current rating of your circuit, the voltage rating, and the ambient temperature. You should also consider the inrush current, if applicable. A general rule of thumb is to choose a fuse with a rating that is 1.5 to 2 times the maximum expected current.
  • The maximum operating temperature of the LR4-1300SSF is 125°C. However, it's recommended to derate the fuse's current rating at higher temperatures to ensure reliable operation.
  • Yes, the LR4-1300SSF is designed to withstand high-vibration environments. However, it's recommended to secure the fuse to the PCB using a suitable mounting method, such as a fuse clip or adhesive, to prevent damage or dislodging.
  • Yes, the LR4-1300SSF is compatible with lead-free soldering processes. The fuse is designed to withstand the higher temperatures associated with lead-free soldering.

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LR4-1300SSF Overview

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