Electronics Forum: heatsink (Page 1 of 14)

Lattice Orca heatsink to PCB

Electronics Forum | Thu Dec 19 20:03:27 EST 2002 | edmentzer

Does any one have any experince with heatsinking a 240 lead QFP such as the Lattice Orca to the PCB? I have a customer who would like to know how this might be done. We are thinking of using some solder paste under the center of the part, or using

Lattice Orca heatsink to PCB

Electronics Forum | Thu Dec 19 20:40:08 EST 2002 | jonfox

One common practice, depending on what is on the other side of the PCB and how much heat you need to draw away from the part, is to manufacture a pseudo-heatsink into the board itself. It looks like a large tinned pad but has a dense array of vias f

Lattice Orca heatsink to PCB

Electronics Forum | Thu Dec 19 20:45:47 EST 2002 | jonfox

One common practice, depending on what is on the other side of the PCB and how much heat you need to draw away from the part, is to manufacture a pseudo-heatsink into the board itself. It looks like a large tinned pad but has a dense array of vias f

Heatsink Falloff

Electronics Forum | Sat Apr 23 11:37:12 EDT 2005 | Dhanish

What are the reasons for the Heatsink falling off from the boards?The attachment method is using Adhesive Tape.

Heatsink solder fillet

Electronics Forum | Thu Jan 12 13:21:11 EST 2006 | barryg

Opinions. I have a large finned heatsink that we place over a D2pak transistor. This heatsink is designed to heatsink the transistor through the junction of the pad area that the transistor is attached to. The paste pattern we chose was small dots ar

sub heatsinks

Electronics Forum | Tue Apr 27 06:35:33 EDT 1999 | Dan

Using moss fets attached to sub heatsink and hard coat anodizing sub heatsink at higher cost and erratic performance. Looking for thermal tape, insulator to replace hard coat that will prevent shorting.

Heatsink assembly pressing force

Electronics Forum | Tue Nov 05 00:51:39 EST 2002 | yngwie

How to measure the max allowable force when we press the heatsink at the attachment process. I was posted with question by my customer, " how to I ensure that the force I use to attach the heatsink does not causing any damage to the solder joint on t

Heatsink for DPAK package

Electronics Forum | Thu Jun 05 00:00:09 EDT 2003 | Jacky

Hi, Can anyone tell me where I can get heatsinks for DPAK devices? It will be used for cooling IGBTs. Preferably, the heatsink device should be soldered for easy production. Thanks alot.

Heatsink for DPAK package

Electronics Forum | Thu Jun 05 15:34:16 EDT 2003 | davef

Heatsink DPAK SMT Tin Plated: Wakefield Part Number: 21736CT We have no relationship nor receive benefit from the company referenced above. Look here: http://www.heatsink-guide.com/links.htm

Blisters

Electronics Forum | Wed Dec 21 22:31:17 EST 2005 | davef

If we received heatsinks with blisters on the contact surface, like you describe, we'd reject them. We want that surface to be perfectly flat. Google "heatsink flatness" for more. For instance: http://www.heatsink-guide.com/content.php?content=hea

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