Heatsink for the F3

lordvader · 9th July 2008, 12:26 AM

Hey all.

I'm currently preparing the casework for my F3 (plan to start drilling on the weekend). It's a Hifi2000 case, and the biggest sucker I could find.

The heatsinks are rated at 0.2C/W, BUT, each side is actually made up of 2 0.4C/W heatsinks, which are held together with a bracket, meaning there's a tiny gap between the heatsinks.

What would be the best way to mount the transistors on this thing ? Would two per heatsink be sufficient, or should I put some sort of compound between the heatsinks to ensure they make proper contact with eachother ?

Nelson Pass · 9th July 2008, 01:25 AM

Mount the top two Mosfets on one sink, and the bottom Mosfet and
JFET on the other.

lordvader · 9th July 2008, 01:53 AM

Thanks dude !!!!!

9th July 2008, 12:26 AM	#1
lordvader diyAudio Member Join Date: Mar 2002 Location: n/a	Heatsink for the F3 Hey all. I'm currently preparing the casework for my F3 (plan to start drilling on the weekend). It's a Hifi2000 case, and the biggest sucker I could find. The heatsinks are rated at 0.2C/W, BUT, each side is actually made up of 2 0.4C/W heatsinks, which are held together with a bracket, meaning there's a tiny gap between the heatsinks. What would be the best way to mount the transistors on this thing ? Would two per heatsink be sufficient, or should I put some sort of compound between the heatsinks to ensure they make proper contact with eachother ?

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9th July 2008, 01:25 AM	#2
Nelson Pass The one and only Join Date: Mar 2001	Mount the top two Mosfets on one sink, and the bottom Mosfet and JFET on the other.

9th July 2008, 01:53 AM	#3
lordvader diyAudio Member Join Date: Mar 2002 Location: n/a	Thanks dude !!!!!

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