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30R250 - LITTELFUSE

Description: LITTELFUSE - 30R250UU - POLYFUSE, PTC, RADIAL, 2.5A

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Symbol
30R250 - LITTELFUSE - PCB symbol
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PCB Footprints
30R250 - LITTELFUSE PCB footprint - Other - Other - 30R250UU-1
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3D Models
30R250 - LITTELFUSE - 3D model - Other - 30R250UU-1
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30R250 Details

  • Manufacturer Part Number:

    30R250

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    RADIAL LEADED, LEAD FREE

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7.4

  • Additional Feature:

    0.07OHMS AT 20 DEGREE

  • JESD-609 Code:

    e3

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Shape:

    DISK PACKAGE

  • Packing Method:

    TR

  • Rated Temperature:

    85 °C

  • Resistance:

    0.02 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Thermistor Application:

    OVERLOAD PROTECTION

30R250 Frequently Asked Questions (FAQs)

  • The recommended mounting torque for the 30R250 is 10-15 in-lbs (1.1-1.7 Nm) to ensure proper thermal and electrical connection.
  • Yes, the 30R250 is designed to withstand high-vibration environments. However, it's recommended to follow the manufacturer's guidelines for vibration testing and ensure proper mounting to prevent damage.
  • To determine the correct fuse size, you need to consider the maximum current rating, voltage rating, and interrupting rating required for your application. You can use the Littelfuse fuse selection guide or consult with an application engineer for assistance.
  • The 30R250 has a maximum operating temperature of 125°C (257°F). While it can operate in high-temperature environments, it's essential to ensure that the fuse is properly derated to prevent premature failure.
  • Yes, the 30R250 can be used in DC circuits. However, it's crucial to consider the DC interrupting rating, which is typically lower than the AC interrupting rating. Consult the datasheet or manufacturer's guidelines for specific DC rating information.

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30R250 Overview

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Part Image RLD30P250UF Polytronics Technology Corp

RESISTOR, TEMPERATURE DEPENDENT, PTC RESETTABLE FUSE, THROUGH HOLE MOUNT, RADIAL LEADED, HALOGEN FREE AND ROHS COMPLIANT