Lab module heatsink mount for 445 diode

dattanchu · Aug 31, 2014

I would like a recommendation for a lab-style heatsink that I can put around my 445 2W laser before attaching it to computer heatsink.

I do see this review Heatsink Style TO18 Laser Diode House w H Fan Cooling Match for MP905 Lens | eBay

However, I am not sure it will fit my 2W 445
https://sites.google.com/site/dtrlpf/home/diodes/445-m140-didoes

ARG · Aug 31, 2014

TO-18 is 5.6mm, so it will work with an M140.

Don't attach it to a computer heatsink. That's just silly. That lab heatsink + fan will be enough to cool the diode.

dattanchu · Aug 31, 2014

I assume this means I will need to remove my current diode from its copper housing and transplant everything to the new heatsink? I came into posession of this diode with the housing (same link from dtrlpf above) already installed. What should I watch out for when performing such transplant?

ARG · Aug 31, 2014

If you already have it in a copper module it's probably not a good idea to get that heatsink as you may have to modify parts to make it work.

dattanchu · Aug 31, 2014

Ok. So if I want to keep the copper module, what lab-style heatsink can I use as a drop-in for such module?

Perhaps this? http://www.ebay.com/itm/Heat-Sink-H...050?pt=LH_DefaultDomain_0&hash=item3cbaf6ace2

ARG · Aug 31, 2014

dattanchu said:
Ok. So if I want to keep the copper module, what lab-style heatsink can I use as a drop-in for such module?

Perhaps this? Heat Sink Holder Mount for 12mm Laser Modules | eBay

Those have poor module contact. I wouldn't recommend it.

These are made to clamp onto 12mm rods, but also work great for 12mm modules.
12mm SK12 Linear Rail Shaft Guide Support Bracket Bearing CNC Step Motor | eBay

Pi R Squared · Aug 31, 2014

dattanchu said:
I would like a recommendation for a lab-style heatsink that I can put around my 445 2W laser

If you want a lab-style heat sink then try one of these from Mrcrouse:
http://laserpointerforums.com/f39/u...e-heatsinks-labby-testing-tec-15ea-77746.html
You could also add a fan behind it for longer run time.

or a Z-Bolt heat sink with or without a fan:
https://shop.z-bolt.com/Green-Laser-Module-Acessories_c_14.html

Alan

Lab module heatsink mount for 445 diode

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