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3.500" Wide Extruded Aluminum Heatsink

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3.500" Profile - choose length to generate SKU and calculate price

 Detailed 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.


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 Product Reviews

Showing reviews 1-10 of 14 | Next

  1. Excellent quality and service

    Posted by A. Robb on 29th Feb 2016

    10 x the product and service you will ever get from China.The extrusions are flawless and the service can't be beat !!!

  2. Great Shopping Experience

    Posted by Unknown on 14th Jan 2016

    Item as described, fair price, and arrived early

  3. Great profile

    Posted by SaratogaLED on 28th Aug 2015

    Nice thick base, passive cooling friendly and gives good spread between COBs. Great quality and service from HeatsinkUSA, as always. Thank you!

  4. Excellent Quality

    Posted by John Mackenzie on 27th Jul 2015

    Was extremely pleased with this purchase. Needed 4 in order to use for an LED project for growing herbs, I'll share a link when assembled and final, used thermal pad (TIM) - the surface was in excellent shape, no re-surfacing required.

    Thank you and I've purchased a 12" as well for a similar project for Cucumbers and short duration vegetables which fruit. It will be awhile prior to having the project underway, but as soon as it is available. I'll post this link as well.

  5. A+++

    Posted by Unknown on 16th Mar 2015

    Great Product. Excellent Customer service.

  6. Excellent product.

    Posted by Pierre on 22nd Feb 2015

    Excellent product,cut precisely and with short delivery time.I recommend it.

  7. heat sink 3.5

    Posted by VM on 29th Dec 2014

    material excellent, service very good and material shipped and delivered in a very timely manner

  8. Can't be beat

    Posted by Jason of McCully Racing Motors on 9th Jan 2014

    I own a small automotive business and was looking into upgrading one of my products from used heat sinks to extruded ones. I contacted a few firms and received estimates in the $15 - $20/piece range with minimums of 200 units and 5 week lead times. When I found heatsinkusa I ordered a lot of just 10 units on my first order, paid under $5 each and got them three days later! I honestly can't believe how they compare to the competition. Unless you need a pallet of heat sinks I'm pretty sure they can't be beat. It's now a month later and I just ordered 20 more. Thanks folks, you've got a customer as long as people keep buying parts from me and you still exist!!!!

  9. 3.5" heatsink

    Posted by Unknown on 15th Feb 2013

    This is really nice material. It came well packed and had smooth end cuts.

  10. Awesome people awesome product!

    Posted by FatFoxx.com LLC on 17th Nov 2012

    The heatsinks are well done! The ownership has great people to deal with and an awesome product! Thanks guys!!

Showing reviews 1-10 of 14 | Next

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