Part Image

RKEF250 - LITTELFUSE

Description: Littelfuse 2.5A Radial Leaded PCB Mount Resettable Fuse, 60V

Download RKEF250 Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
3D Models
RKEF250 - LITTELFUSE  - 3D model
click to zoom
Note! To download footprints and symbols, use the build and request forms below

Build

Launch Build Wizard
Build Wizard not available for this package category!

Request (48 hours)

RKEF250 Details

  • Manufacturer Part Number:

    RKEF250

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    RADIAL LEADED

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7

  • Additional Feature:

    Rmin@25 Deg Cel

  • JESD-609 Code:

    e3

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    20.6 mm

  • Package Length:

    14 mm

  • Package Shape:

    RECTANGULAR PACKAGE

  • Package Style:

    Radial

  • Package Width:

    3 mm

  • Packing Method:

    BULK

  • Reference Standard:

    CSA; TUV; UL

  • Resistance:

    0.04 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin (Sn)

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Thermistor Application:

    OVERCURRENT PROTECTION

  • Working Voltage:

    60 V

RKEF250 Frequently Asked Questions (FAQs)

  • A good PCB layout for the RKEF250 involves keeping the fuse as close to the power source as possible, using a wide trace for the fuse, and keeping the fuse away from high-frequency signals.
  • To determine the correct fuse rating, you need to consider the maximum current and voltage of your circuit, as well as the ambient temperature and the type of load. You can use the fuse selection guide provided by Littelfuse or consult with their technical support team.
  • The RKEF250 is a radial leaded fuse with a high interrupting rating, making it suitable for high-power applications. It has a faster fuse time than other similar fuses, and its radial leads make it easier to install and replace.
  • The RKEF250 is rated for operation up to 125°C, but its performance may degrade at higher temperatures. If you need to use the fuse in a high-temperature environment, you should derate the fuse according to the manufacturer's guidelines.
  • To ensure the reliability of the RKEF250, you should follow proper installation and handling procedures, avoid over-stressing the fuse, and perform regular maintenance and inspection of the fuse and the surrounding circuitry.

Trust Checks

No trust score is available for this model.
Trust Score Unavailable
Sponsored

RKEF250 Overview

Use the download button to access the RKEF250 3D model. You can still request or build the schematic symbol and PCB footprint by using the respective build or request forms on this page.
To find more CAD model downloads similar to this part, try a partial part number search, like RKEF2, or try a keyword search, such as Non-linear Resistors

Parts related to RKEF250

Showing 0 results

Select Package Category

Package Categories

Datasheet PDF Preview

RKEF250 Alternates

Showing results

Image Part Number Model
Part Image 0ZRP0250FF1A Bel Fuse

PTC Resettable Fuse, 0.04ohm, Through Hole Mount