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L50QS400.V - LITTELFUSE

Description: Specialty Fuses 400A 500VAC 500VDC FF L50QS POWR-SPEED

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L50QS400.V - LITTELFUSE  - 3D model
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L50QS400.V Details

  • Manufacturer Part Number:

    L50QS400.V

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7.3

  • Additional Feature:

    RATED BREAKING CAPACITY AT 500 VDC: 50000 A

  • Blow Characteristic:

    VERY FAST

  • Body Height:

    53.16 mm

  • Body Length or Diameter:

    38.1 mm

  • Circuit Protection Type:

    ELECTRIC FUSE

  • Joule Integral-Nom:

    21155 J

  • Mounting Feature:

    INLINE/HOLDER

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Packing Method:

    BULK

  • Rated Breaking Capacity:

    200000 A

  • Rated Current:

    400 A

  • Rated Voltage(AC):

    500 V

  • Rated Voltage(DC):

    500 V

  • Reference Standard:

    CE; CUL; UL

  • Surface Mount:

    NO

  • Terminal Shape:

    TAB/BLADE

L50QS400.V Frequently Asked Questions (FAQs)

  • The recommended PCB layout for optimal thermal performance of the L50QS400.V includes a thermal pad on the bottom of the device, a heat sink, and a sufficient copper area on the PCB to dissipate heat. The datasheet provides a recommended land pattern and thermal pad layout.
  • To ensure the reliability of the L50QS400.V in high-temperature applications, it is essential to follow the recommended derating curves, ensure proper heat sinking, and avoid exceeding the maximum junction temperature (Tj) of 150°C. Additionally, consider using a thermally conductive interface material and a heat sink with a high thermal conductivity.
  • The L50QS400.V can withstand surge currents up to 400A for 10ms, as specified in the datasheet. However, it is essential to note that the device may not survive repeated surge events, and the maximum surge current may vary depending on the application and operating conditions.
  • Yes, the L50QS400.V can be used in a parallel configuration to increase the current rating. However, it is crucial to ensure that the devices are properly matched, and the current sharing is balanced to avoid overheating and reduce the overall reliability of the system.
  • The recommended storage temperature range for the L50QS400.V is -40°C to 125°C. Storing the device outside this range may affect its performance, reliability, and lifespan.

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L50QS400.V Overview

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