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044903.5MR - LITTELFUSE

Description: 3.5 A 125 V 125 V Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block

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Symbol
044903.5MR - LITTELFUSE - PCB symbol
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PCB Footprints
044903.5MR - LITTELFUSE PCB footprint - Other - Other - 2-SMD_2025-1.1
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3D Models
044903.5MR - LITTELFUSE - 3D model - Other - 2-SMD_2025-1.1
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044903.5MR Details

  • Manufacturer Part Number:

    044903.5MR

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8536.10.00.40

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    8

  • Additional Feature:

    RATED BREAKING CAPACITY AT 125 VDC: 50 A

  • Blow Characteristic:

    SLOW

  • Body Breadth:

    2.69 mm

  • Body Height:

    2.69 mm

  • Body Length or Diameter:

    6.1 mm

  • Circuit Protection Type:

    ELECTRIC FUSE

  • Fuse Size:

    NANO2

  • JESD-609 Code:

    e4

  • Joule Integral-Nom:

    32 J

  • Mounting Feature:

    SURFACE MOUNT

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Packing Method:

    TR

  • Rated Breaking Capacity:

    100 A

  • Rated Current:

    3.5 A

  • Rated Voltage(AC):

    100 V

  • Rated Voltage(DC):

    125 V

  • Reference Standard:

    CE; CUL; PSE; UKCA; UL

  • Surface Mount:

    YES

  • Terminal Finish:

    GOLD

  • Terminal Shape:

    WRAPAROUND

  • Trip Time or Delay:

    0.002 s

044903.5MR Frequently Asked Questions (FAQs)

  • The recommended mounting orientation is vertical, with the fuse body in a upright position, to ensure proper operation and to prevent moisture accumulation.
  • Yes, the 044903.5MR fuse is designed to withstand high-vibration environments, but it's recommended to follow the manufacturer's guidelines for vibration testing and to ensure proper mounting and securing of the fuse.
  • The 044903.5MR fuse has a maximum operating temperature of 125°C, but it's recommended to derate the fuse's current rating for temperatures above 85°C to ensure reliable operation.
  • The 044903.5MR fuse has a sealed construction, but it's not designed for immersion in water or exposure to high humidity. It's recommended to follow the manufacturer's guidelines for environmental testing and to ensure proper sealing and protection of the fuse.
  • The recommended wire size for connecting to the 044903.5MR fuse is 18 AWG to 24 AWG, depending on the specific application and current rating. It's recommended to follow the manufacturer's guidelines for wire sizing and termination.

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044903.5MR Overview

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