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If I may ask, where can you get these? Thanks for the suggestion, however I'm specifically looking to use my crappy Intel stock cooler for something.

So, lately I've been thinking about using my useless Intel stock cooler to cool a laser diode, something like a PLTB450B at 1.25A. My plan is to flatten the diode module on one side, and use thermal adhesive between the flattened side and the cooler. Would this be a good idea? And considering...

I know, but it's pretty close to te weight os SL's extended and tapered copper heatsink (their biggest one), and a C6 host is quite small, so it has limited potential for heatsinking. I am not very concerned about the duty cycle, as long as it can handle 30-40 seconds of on time. About SL's G2...

Then G2 it is. How much divergence should I get with a G2? Also, is SL's G2 any worse than DTR's? Because it is cheaper if I get it with SL's DTR 20mm module bundle. And I only now thought of it, but is the aluminum back half good enough? Because I can only get the aluminum back half module...

I know, but I really want to make the most of the diode's low divergence, and also to reduce the power so I don't burn down my house by accident.

On second thought, as this will be my first Class 4 laser, I'll use a 1.25A driver and a 3E lens (should be about 1.1W instead of 1.9W), so that I don't accidentally burn my house down or something. That way, it costs pretty much the same for both the 20mm module and the extended and tapered...

It says on SL's product page that it weighs 58g, if I remember correctly. I don't know about the mass of the 20mm module. EDIT: Nevermind, I tried to check the total price with SL's Bargain No Diode Host Bundle instead, and turns out it's actually about 10-15€ cheaper, because of the extra price...

Yes, I am planning to use the 20mm module as a heatsink. But is it a better heatsink than the SL extended and tapered copper heatsink, assuming everything else remains unchanged? I don't know it's weight, but it appears to be just as long.

Hello, I am planning to do a C6 PLTB450B @1.8A build. I am curious about the heatsinking capability of DTR's 20mm modules (the ones with an aluminum back half). Do they provide a better duty cycle than Survival Laser's extended and tapered copper heatsinks? This will be my first build, and I...

The same as the one I was initially planning to put in an S4X (PLTB450B @1.25A). Thinking back, I'll use a copper heatsink.

UPDATE I am going for a C6 with an aluminum heatsink, so I'll do the build in only a month or two. Thinking better, I like a smaller host better than a bigger one. I might do an S4X build with a 9mm or NDB7475 in a year or two after this one.

Don't worry, I am going to buy an Eagle Pair from Survival Laser :)

No worries, I'll probably only order the parts around November as my parents will pay for some of the parts as my birthday is in November, and I'll have enough money saved by then. I just want to make sure I make the best choice as it might be my only build (at least until I turn 18, I'm...

I meant External and not Extended :oops: I did edit the post though

Sorry for the necropost, but I think I'll use a Sanwu G7 instead of a G2 lens. Will the extended lens spring work better with the 9mm lens holder or the 7mm one? And what would the divergence be with a PLTB450B? Hopefully equal to or less than 1mRad. Also, I'll use their M9*0.5 adapter for the...

No worries, I still have a LOT of time to decide, as I'm only buying the parts around November or something.

Apparently the C6 is also available with an aluminum finish instead of black anodized. The duty cycle should be the same with the C6 and S4, since they weigh pretty much the same, right? If yes, I'll probably just get the C6. If I get the S4X, I'll use a 9mm diode instead. If I get that big of a...

Basically it's a matter of looks (SS) vs duty cycle (S4X). With the S4X and the extended and tapered copper heatsink the duty cycle should be way more than 2 minutes on; as the recommended duty cycle for the Survival Laser 7 is 2 minutes on, 1 minute off with the freaking NUBM44.

Thamks for the replies. I guess I'll just go with the extended and tapered copper heatsink, because it is not that much more expensive than the regular and extended copper ones. I am considering using the SS host instead as it looks really good.

Thanks for the reply, I know that you can only use one, I asked for the duty cycle of each heatsink, not with all of them inside the host.