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RUEF400K - LITTELFUSE

Description: Resettable Fuses - PPTC 4A 30V 40A Imax

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PCB Footprints
RUEF400K - LITTELFUSE PCB footprint - Other - Other - RUEF400K-4
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3D Models
RUEF400K - LITTELFUSE  - 3D model - Other - RUEF400K-4
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RUEF400K Details

  • Manufacturer Part Number:

    RUEF400K

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    RADIAL LEADED, ROHS COMPLIANT

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7

  • Additional Feature:

    RESISTANCE RANGE(MIN-MAX): 0.01-0.03

  • JESD-609 Code:

    e3

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Package Shape:

    RECTANGULAR PACKAGE

  • Packing Method:

    BULK

  • Rated Power Dissipation (P):

    2.5 W

  • Resistance:

    0.05 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Thermistor Application:

    TEMPERATURE SENSING

RUEF400K Frequently Asked Questions (FAQs)

  • The recommended mounting torque for the RUEF400K is 10-15 in-lbs (1.1-1.7 Nm).
  • Yes, the RUEF400K is designed to operate in high-temperature applications up to 150°C (302°F). However, the fuse's current rating may be derated at higher temperatures.
  • Yes, the RUEF400K is designed to withstand high-vibration environments and meets the vibration requirements of IEC 60068-2-6.
  • Yes, the RUEF400K is designed for outdoor use and meets the environmental requirements of IEC 60068-2-11.
  • The recommended wire size for connecting to the RUEF400K is 14 AWG (2.5 mm²) or larger.

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RUEF400K Overview

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Part Image RF2725-000 Littelfuse Inc

PTC Resettable Fuse

Part Image RF2731-000 Littelfuse Inc

PTC Resettable Fuse, 0.05ohm, Through Hole Mount

Part Image RF2729-000 Littelfuse Inc

PTC Resettable Fuse, 0.05ohm, Through Hole Mount

Part Image RUE400K TE Connectivity

RESISTOR, TEMPERATURE DEPENDENT, PTC RESETTABLE FUSE, THROUGH HOLE MOUNT, RADIAL LEADED

Part Image RUE400-1 TE Connectivity

RESISTOR, TEMPERATURE DEPENDENT, PTC RESETTABLE FUSE, THROUGH HOLE MOUNT, RADIAL LEADED

For a full list of alternate parts for RUEF400K, check out Findchips.com