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0459.500ER - LITTELFUSE

Description: Surface Mount Fuses 125V .5A Fast Acting

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Symbol
0459.500ER - LITTELFUSE - PCB symbol
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PCB Footprints
0459.500ER - LITTELFUSE PCB footprint - Fuses Moulded - Fuses Moulded - EIA RS-481-1 (IEC 286, part 3)
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3D Models
0459.500ER - LITTELFUSE - 3D model - Fuses Moulded - EIA RS-481-1 (IEC 286, part 3)
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0459.500ER Details

  • Manufacturer Part Number:

    0459.500ER

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8536.10.00.40

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7

  • Additional Feature:

    RATED BREAKING CAPACITY AT 125 VDC: 300 A

  • Blow Characteristic:

    VERY FAST

  • Body Breadth:

    4.32 mm

  • Body Height:

    3.05 mm

  • Body Length or Diameter:

    7.24 mm

  • Circuit Protection Type:

    ELECTRIC FUSE

  • Fuse Size:

    PICO

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Packing Method:

    TR

  • Rated Breaking Capacity:

    50 A

  • Rated Current:

    0.5 A

  • Rated Voltage(AC):

    125 V

  • Rated Voltage(DC):

    125 V

  • Reference Standard:

    CSA; UL

  • Surface Mount:

    YES

  • Terminal Finish:

    TIN

  • Terminal Shape:

    J BEND

  • Trip Time or Delay:

    0.1 s

0459.500ER Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the 0459.500ER involves keeping the fuse as close as possible to the power source, using a wide copper trace to reduce resistance, and avoiding sharp bends or corners that can cause thermal hotspots.
  • While the 0459.500ER has a high melting I²t rating, it's not recommended for use in extremely high-temperature applications (>150°C) without proper derating and thermal management. Consult with Littelfuse Inc. or a thermal expert for specific guidance.
  • The 0459.500ER is designed to handle inrush currents, but it's essential to consider the specific application's inrush current profile and duration. Littelfuse Inc. provides guidance on inrush current handling in their application notes and technical support resources.
  • Yes, the 0459.500ER is compatible with lead-free soldering processes, but it's crucial to follow the recommended soldering profile and temperature guidelines to ensure reliable assembly and performance.
  • The typical failure modes of the 0459.500ER include melting or opening due to excessive current, overheating, or mechanical stress. Proper circuit design, thermal management, and handling practices can minimize the risk of these failure modes.

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0459.500ER Overview

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0459.500ER Alternates

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Part Image 0459.500UR Littelfuse Inc

Electric Fuse, Very Fast Blow, 0.5A, 125VAC, 125VDC, 50A (IR), Surface Mount, PICO