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1210L500/12SLWR - LITTELFUSE

Description: Low Rho Surface Mount Resettable PTC Fuse

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PCB Footprints
1210L500/12SLWR - LITTELFUSE PCB footprint - Other - Other - 1210L175SLYR
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3D Models
1210L500/12SLWR - LITTELFUSE  - 3D model - Other - 1210L175SLYR
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1210L500/12SLWR Details

  • Manufacturer Part Number:

    1210L500/12SLWR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    CHIP

  • Reach Compliance Code:

    Unknown

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7.3

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    1.4 mm

  • Package Length:

    3.43 mm

  • Package Style:

    SMT

  • Package Width:

    2.8 mm

  • Packing Method:

    TR, 7 INCH

  • Rated Power Dissipation (P):

    1.2 W

  • Reference Standard:

    CUL; TUV; UL

  • Resistance:

    0.001 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Placement:

    DUAL ENDED

  • Terminal Shape:

    WRAPAROUND

  • Thermistor Application:

    OVERCURRENT PROTECTION

  • Working Voltage:

    12 V

1210L500/12SLWR Frequently Asked Questions (FAQs)

  • A recommended PCB layout for the 1210L500/12SLWR includes a solid ground plane, short and wide traces for the high-current paths, and a thermal relief pattern for the pads to ensure good heat dissipation.
  • Proper cooling can be achieved by providing a sufficient heat sink, ensuring good airflow, and using thermal interface materials (TIMs) to fill any gaps between the device and the heat sink. The datasheet provides thermal resistance values to help with thermal design.
  • The maximum surge current rating for the 1210L500/12SLWR is typically specified as a peak current (Ip) and is usually provided in the datasheet or can be obtained from the manufacturer. For the 1210L500/12SLWR, the peak surge current rating is 500A.
  • While the 1210L500/12SLWR is primarily designed for overcurrent protection, it can be used in high-frequency switching applications. However, the device's internal capacitance and inductance may affect the circuit's performance. It's essential to evaluate the device's behavior under high-frequency conditions and consider any necessary filtering or decoupling.
  • When selecting a fuse holder or clip for the 1210L500/12SLWR, ensure it is compatible with the device's physical dimensions and has a suitable current rating. The holder or clip should also provide a secure connection and minimize electrical resistance.

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1210L500/12SLWR Overview

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