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503JL1A - LITTELFUSE

Description: NTC Thermistors THERMISTOR, US SENSOR

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Symbol
503JL1A - LITTELFUSE - PCB symbol
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PCB Footprints
503JL1A - LITTELFUSE PCB footprint - Diodes, Axial Diameter Horizontal Mounting - Diodes, Axial Diameter Horizontal Mounting - 503JL1A
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3D Models
503JL1A - LITTELFUSE - 3D model - Diodes, Axial Diameter Horizontal Mounting - 503JL1A
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503JL1A Details

  • Manufacturer Part Number:

    503JL1A

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    AXIAL LEADED

  • Reach Compliance Code:

    Unknown

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7

  • JESD-609 Code:

    e3

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    300 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Diameter:

    1.905 mm

  • Package Length:

    4.064 mm

  • Package Shape:

    TUBULAR PACKAGE

  • Package Style:

    Axial

  • Resistance:

    50000 Ω

  • Resistor Type:

    NTC THERMISTOR

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin (Sn)

  • Terminal Placement:

    AXIAL

  • Terminal Shape:

    WIRE

  • Thermal Sensitivity Index:

    3892 K

  • Thermistor Application:

    TEMPERATURE SENSING

503JL1A Frequently Asked Questions (FAQs)

  • The recommended mounting torque for the 503JL1A is 10-15 in-lbs (1.1-1.7 Nm) to ensure proper connection and prevent damage to the fuse.
  • While the 503JL1A has a high temperature rating of 125°C, it's essential to consider the derating curve and ensure the fuse is not exposed to temperatures above 100°C for extended periods to maintain its reliability and performance.
  • Choose a fuse holder or clip that is specifically designed for the 503JL1A's physical dimensions and meets the required electrical and mechanical specifications. Consult the manufacturer's documentation or contact Littelfuse support for guidance.
  • The 503JL1A has a fast response time, typically in the range of 1-10 ms, depending on the fault current and voltage. This ensures quick disconnection of the circuit in the event of an overcurrent or short-circuit fault.
  • Yes, the 503JL1A can be used in DC circuits, but it's essential to consider the DC voltage rating and ensure the fuse is not exposed to voltages above its rated value. Consult the datasheet and application notes for specific guidance.

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