Created with Sketch. Created with Sketch.
Toggle menu
1-800-901-2395

Shop by Category

  • 0.601"
  • 1.000"
  • 1.813"
  • 2.000" Round
  • 2.000" Serrated Fin
  • 2.079"
  • 2.425"
  • 3.500"
  • 3.945"
  • 4.230"
  • 4.600" Serrated Fin
  • 4.850"
  • 4.900"
  • 5.000" SSR Heatsink
  • 5.375"
  • 5.886"
  • 6.080"
  • 7.984"
  • 8.000"
  • 7.280"
  • 8.460"
  • 8.000" Serrated Fin
  • 10.000"
  • 10.080"
  • 12.000"

    • Shop by Brand

  • HeatsinkUSA
  • View all Brands
  • 3.500" Wide Extruded Aluminum Heatsink

    • 3.500" Wide Extruded Aluminum Heatsink

    $1.36 - $102.00
    (26 reviews) Write a Review
    SKU:
    3.500

    Product Description

    Extruded Aluminum Heatsink
    Alloy:  6063-T5
    Width: 3.500"
    Fin Height: .75"
    Base: .300"
    C/W/3": approximately 2.50
    Weight per Inch: .15

     

    All of our heatsink extrusions are sold by the inch.  To order a more specific length, for example a length of 5.5", you would choose 6" and and indicate your desired cut length in the "Specific cut length" field above.  If you have any questions, please give us a call or send us an email, we would be happy to assist you.

     

    Product Videos

    Custom Field

    Product Reviews

    Write a Review

    26 Reviews Hide Reviews Show Reviews

    • 5
      3.5" Wide 8" Long

      Posted by Tom Maring on 4th Jul 2021

      The perfect part for our application

    • 5
      Excellent

      Posted by Richard Hansen on 31st May 2021

      Excellent material and the cut was perfect, no burrs, perfectly square, looks like length cut with done with a fine diamond blade. Highly recommended.

    • 5
      Excellent

      Posted by Bodhe Scheerer on 19th Mar 2021

      High quality extrusion, great price, great performance.

    • 5
      Good quality heatsink

      Posted by Ernest C Everett on 22nd Jan 2021

      Nothing to complain about, great service, everything shipped in a reasonable amount if time. Product was packaged great to prevent damage and product was over .050 in length. Will buy again.

    • 5
      Heat Sink

      Posted by Ken Koch on 15th Jan 2021

      Perfect! 100% Satisfied.

    • 5
      heat sink

      Posted by doug haynes on 27th Apr 2020

      Great quality and great service, will use in the future

    • 5
      What I ordered

      Posted by Eldon Griffiths on 20th Jan 2020

      The heatsink arrived in good condition and was exactly what I ordered. I haven't used it yet but I see no reason to suspect it won't work well.

    • 5
      3.5 heatsink

      Posted by Anonymous on 10th Jun 2019

      as usual, great product and fast shipping

    • 5
      Quality and Shippin

      Posted by Jeff Shaw on 30th Nov 2018

      Receive heat sink quickly. Cut to length perfectly. all smooth edges.
    HeatsinkUSA, LLC, Aluminum Fabrication, Greenville, MI