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Old 03-26-2012, 03:25 PM #1
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Question driver board soldering and heatsink question

I bought a Moh's round driver(1.25A)

The product information recommended over 1.25A be heatsink

but I don't know how to heatsink the board

and the driver board must solder like this?


Please advise on this.

thank you


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Old 03-26-2012, 04:33 PM #2
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Default Re: driver board soldering and heatsink question

http://www.mohgasm.com/JAD.html

^^ that will show you how Moh' does it ;-)
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Also in the house (son's) - Moh JAD C6@ 460mA and DTR S06J 12X 405nm - 677mW peak + O-like PowerRock 200 532nm - 208mW peak.

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Last edited by Stix62; 03-26-2012 at 04:34 PM.
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Old 03-26-2012, 04:38 PM #3
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Default Re: driver board soldering and heatsink question

Is this the ''just add diode'' kit that he offers ?
If yes, then the driver is already heatsinked

Jim
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Old 03-26-2012, 04:54 PM #4
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Default Re: driver board soldering and heatsink question

Stix62:
"Lazerer Rifle 1.2W 445nm (2.21A)"

How do you know your Rifle's diode is running at 2.21 A?

And why is it set so high for such a relatively lower output?
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Old 03-26-2012, 05:04 PM #5
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Default Re: driver board soldering and heatsink question

Quote:
Originally Posted by rhd View Post
Stix62:
"Lazerer Rifle 1.2W 445nm (2.21A)"

How do you know your Rifle's diode is running at 2.21 A?

And why is it set so high for such a relatively lower output?
Oh My. God knows why it says that. I dunno where my head was when I typed that

Just tested - signature edited ;-)

lol..thanks
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Lazerer Rifle 1.2W 445nm (1.35A) - Peak 1392mW, stable1350mW (running on AW IMR 18350s - much better fit )
'Mohrenberg' JAD driver in pill @1.62A + DTR' M140 445nm in Survival Stainless Steel Host - Peak 1513mW (3 element glass lens)

O-LikeCrown Upgrade 500mW - Peak 599mW, stable .'ish 550mW
MegalasersUK 125mW - Peak 102mW
Jayrob Solar Force L2P custom kit @ 478mA + DTR S06J 12X 405nm - Peak 729mW
Survival Stainless Steel Host + DTR S06J 12X 405nm - Peak 725mW

Also in the house (son's) - Moh JAD C6@ 460mA and DTR S06J 12X 405nm - 677mW peak + O-like PowerRock 200 532nm - 208mW peak.

*** LaserBee 2.5 Watt USB L.P.M ***

Last edited by Stix62; 03-26-2012 at 05:05 PM.
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Old 03-26-2012, 11:27 PM #6
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Default Re: driver board soldering and heatsink question

I know how to heatsink the driverboard now

but I can't get the alumium board

Can I use a thin aluminum overlays?

I just get the 0.2mm thin aluminum sheet
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Old 03-26-2012, 11:29 PM #7
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Default Re: driver board soldering and heatsink question

It's just round driver
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Old 03-27-2012, 12:11 AM #8
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Default Re: driver board soldering and heatsink question

I found a wtsite made to order!

Please let me know how much the thickness of aluminum
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Old 03-27-2012, 01:46 AM #9
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Default Re: driver board soldering and heatsink question

Which website did you find? BTW, nice pic!

Glenn
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Old 03-27-2012, 02:35 AM #10
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Default Re: driver board soldering and heatsink question

It's the korean wepsite they didn't offer international shipping.
but I live in Korea

that pic is in other post

I just taken to show
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Old 03-27-2012, 08:38 AM #11
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Default Re: driver board soldering and heatsink question

Quote:
Originally Posted by LBPark View Post
I found a wtsite made to order!

Please let me know how much the thickness of aluminum
If i'm not mistaken, I'm sure I've just read in a different thread somewhere Moh' said he used a block 1/8" thick. (3.2mm - 10swg)
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Lazerer Rifle 1.2W 445nm (1.35A) - Peak 1392mW, stable1350mW (running on AW IMR 18350s - much better fit )
'Mohrenberg' JAD driver in pill @1.62A + DTR' M140 445nm in Survival Stainless Steel Host - Peak 1513mW (3 element glass lens)

O-LikeCrown Upgrade 500mW - Peak 599mW, stable .'ish 550mW
MegalasersUK 125mW - Peak 102mW
Jayrob Solar Force L2P custom kit @ 478mA + DTR S06J 12X 405nm - Peak 729mW
Survival Stainless Steel Host + DTR S06J 12X 405nm - Peak 725mW

Also in the house (son's) - Moh JAD C6@ 460mA and DTR S06J 12X 405nm - 677mW peak + O-like PowerRock 200 532nm - 208mW peak.

*** LaserBee 2.5 Watt USB L.P.M ***
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Old 03-27-2012, 08:46 AM #12
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Default Re: driver board soldering and heatsink question

OK then I can use 3mm aluminum board

thank you a lot
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Old 03-27-2012, 09:27 AM #13
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Default Re: driver board soldering and heatsink question

Or you can cut aluminum fins from old CPU or MB heatsinks
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Old 03-27-2012, 09:34 AM #14
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Default Re: driver board soldering and heatsink question

I know this sounds kind of silly, but there probably is a market here on the forum for small pieces of cut up aluminum and copper.

About the smallest "proper" IC heatsinks you can find on eBay are typically 12mm x 12mm. I'm often finding myself needing something closer to 8mm x 8mm, or even 8mm x 6mm.

My solution is often to use "sheet" metal (copper or aluminum), but there's a limit to the thickness that I can cut with hand tools. If one of the machinists here was able to slice up some 1/8" thick metal heatsinks in roughly the dimensions above, I'm sure they would sell in little grab bags for far more than the metal cost.
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SAFETY & IMPORTANT READING (threads authored and contributed to by various members of LPF):
- Federal Aviation Administration - Laser Safety Initiative (link)
- Info release from Laserglow - Default Canadian restrictions on portable lasers (link)
- The Necessity of Safety Goggles (link)

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Old 03-27-2012, 09:51 AM #15
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Default Re: driver board soldering and heatsink question

this?

It's old xbox



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Old 03-27-2012, 10:02 AM #16
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Default Re: driver board soldering and heatsink question

@LBPark Yeah, those would work.

@rhd, cajunlasers & flaminpyro do sell copper driver heatsinks.

Last edited by RyanElectro; 03-27-2012 at 10:03 AM.
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