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WTB: 501B heatsinks

pschlosser

pschlosser

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I'm looking for about five (5) heat sinks for the 501B.
Nothing fancy, no anodizing.
I've poked around some (LPF member) sites and don't see any for this host.
 





Mrcrouse

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I can make them for you for $13ea. Just need the host for sizing, or the dimensions.
 
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pschlosser

pschlosser

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jimdt7 said:
Did you ask Eudaimonium...? :thinking:

Jim
Click to expand...

Not, yet. I've got a design sketched on paper. But before I whip out a CAD drawing, and begin hunting for people to make it, I thought I'd check and see if someone was already selling these.
 
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KRNAZNBOY

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I am looking for the same thing. But, however, i need it in copper. Does anyone know where to get the 501b heatsinks in copper for 12mm modules?
 
Livinloud

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contact post #3 or Moh since he said he was getting some in soon but idk if he is doing copper
 
Mrcrouse

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I typically do not do copper as it will be quite expensive to get a piece of copper stock to make just 1 heatsink. Plus I much prefer to machine aluminum, and we have pretty much all the aluminum we need.
 
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KRNAZNBOY

KRNAZNBOY

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what do you think the duty cycle will be be if i drive a M140 @ 1.8a w/ an aluminum heatsink vs a copper heatsink?
 
ARG

ARG

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Pretty much the same. Coper will be better, but not noticeably so.
 
mhemling33

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KRNAZNBOY said:
what do you think the duty cycle will be be if i drive a M140 @ 1.8a w/ an aluminum heatsink vs a copper heatsink?
Click to expand...

A 501B with aluminum heatsink I use 1min - 1min 15sec run time, you can start to feel it get pretty warm then. I havent use a copper heatsink and even though it might be better it is not going to be anything drastic.
 
pschlosser

pschlosser

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Moh plans to make heat sinks for the 501B, but I think he indicated to me that it will be a little while, since he has several projects in the works, already.

So, if you want one or more heat sinks in the next month or two, you may need to look elsewhere.

I am still looking to buy about (5) 501B heat sinks. There are two designs floating around. A one-piece and a two-piece. Since copper seems to be scarce, I am interested in aluminum of either design.
 
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r4mn33k

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Eudaimonium has both, the 2 pc one is for direct diode, and 1pc for module, both are aluminum $15 including shipping.
 
pschlosser

pschlosser

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Have you confirmed this? I thought when we exchanged PMs a few months ago, he did not have them. He gave me some leads on LPM members that may have, or could make some. Hmm, maybe I wasn't looking for international shipping at that time. I feel a little software on that position, now. I may need to make contact Eudai one more time.
 
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