Heatsink for SOZ 10W

akira · 20th May 2003, 07:42 AM

Hi all,

I m building a 10W SOZ (or tring to at least) and m looking for heatsink. I ve found two different kind of :

Here is a URL with drawing of the two types :
heatsink list

The first is the CO 5409 (or CO 5063 they are pretty much the same profile). The other is the big CO 5260 (SK 141 type but bigger). I wonder which one I should use. I fear that the wings of the big one are not thin enough to evacuate the heat properly. Any advice appreciated.

Thanks

Akira

PS : Does anybody has a link to a direct on-line catalog of heatsink profiles ?

Netlist · 20th May 2003, 10:45 AM

There is a good calculation in
Heatsink calculation

/Hugo

moe29 · 20th May 2003, 04:22 PM

bottom line with SOZ, buy the biggest heatsink you can
find / afford.

Mattyo5 · 20th May 2003, 10:46 PM

try this

BIG heatsinks source!!

I think they do 150 watts of heat each....or darn close

-Matthew K. Olson

moe29 · 21st May 2003, 06:08 PM

I got 2 boxes of these heatsinks. They are BIG!
You could build a 10 watt SOZ with them no problem!

you could cut 2 of them in half for 4 sinks and make a
square chasis. Put resistors on 1 sink and FETS on the other x2.
You have plenty of room in the inside for your power supply, etc.

i'm using them for my Aleph 2.

m.

20th May 2003, 07:42 AM	#1
akira diyAudio Member Join Date: Jan 2002 Location: Paris France	Heatsink for SOZ 10W Hi all, I m building a 10W SOZ (or tring to at least) and m looking for heatsink. I ve found two different kind of : Here is a URL with drawing of the two types : heatsink list The first is the CO 5409 (or CO 5063 they are pretty much the same profile). The other is the big CO 5260 (SK 141 type but bigger). I wonder which one I should use. I fear that the wings of the big one are not thin enough to evacuate the heat properly. Any advice appreciated. Thanks Akira PS : Does anybody has a link to a direct on-line catalog of heatsink profiles ?

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20th May 2003, 10:45 AM	#2
Netlist diyAudio Moderator Join Date: Jan 2003	There is a good calculation in Heatsink calculation /Hugo

20th May 2003, 04:22 PM	#3
moe29 diyAudio Member Join Date: Dec 2002 Location: Florida	bottom line with SOZ, buy the biggest heatsink you can find / afford.

20th May 2003, 10:46 PM	#4
Mattyo5 diyAudio Member Join Date: Aug 2002 Location: Farmington, CT	try this BIG heatsinks source!! I think they do 150 watts of heat each....or darn close -Matthew K. Olson

21st May 2003, 06:08 PM	#5
moe29 diyAudio Member Join Date: Dec 2002 Location: Florida	I got 2 boxes of these heatsinks. They are BIG! You could build a 10 watt SOZ with them no problem! you could cut 2 of them in half for 4 sinks and make a square chasis. Put resistors on 1 sink and FETS on the other x2. You have plenty of room in the inside for your power supply, etc. i'm using them for my Aleph 2. m.

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