Hey, went with U2 on 14mm on Al instead of 16mm on Cu

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moT
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Hey, went with U2 on 14mm on Al instead of 16mm on Cu

QUESTION. LED-Tech.de ?? Good to buy from or should i look for someplace something else.

Hey, cant find U2 on 14mm copper but this 16mm for $13.13usd will do after some grinding.

http://www.led-tech.de/en/High-Power-LEDs-Cree/CREE-XM-Serie/CREE-XM-L-U2-on-Copper-PCB-LT-1790_120_170.html

im only looking for 3 or 4 but could go more for 60$ if discount is worth it. 

FYI planning a few EDCs possibly in C6/18650/programable8x7135.

ALL YOUR LUMEN ARE BELONG TO US.

Edited by: moT on 04/22/2012 - 10:55
dorpmuller
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Too much with shipping and the stupid VAT, even for U.S. address.

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moT
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ok off to design a new build with other copper u2? 

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E1320
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Grinding is a bad idea I have wrecked a couple emitters doing it.

LCKLED has some 14mm U2s. I got some a couple weeks ago they were very nice. They are on aluminum boards not copper, unless you are mounting on a copper pill I don't see the advantage to using a copper board on a brass pill.

http://www.lck-led.com/High-Power-LED,-Drivers-Cree/c37_107/p923/Cree-XL...@3A/product_info.html

I am already visualizing the duct tape over your mouth.

moT
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yeah would rather not have to shrink a board if possible though know its been done with good results. agrees 14mm to door step (good price and known good shipper) is best and scratches the copper to copper thing. as i thought below

oh ok i thought the copper stars were better efficient cause they had no dielectric between the leds copper heat path and the  copper heat sink it was soldered too. if this makes no difference then duh i was over thinking it i guess ill stick with the aluminum then. below is what i was working off of didnt realize it needed a copper pill aswell. thanks

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moT
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http://www.lck-led.com/High-Power-LED,-Drivers-Cree/c37_107/p923/Cree-XL...@3A/product_info.html

er hey thanks ill go with the known good seller as linked above .. thanks

ALL YOUR LUMEN ARE BELONG TO US.