New COB from Cree 180Watt Alum based

kony brado said:
Does aluminum conduct heat better than the ceramic package ?
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Its an ongoing discussion, the simple answer is ceramic at high current/wattage should be better, but since in this market space everyone is hugely under running everything, it makes little difference. I am not dissing Citi but I have a major Citi customer here having major issues with CLU058 but he is pushing it to the limit and just cannot clear the heat, Im also a little concerned Citi LM80 data seems to refer to earlier series not the current V. but as I say running soft Alum at the lower cost for Citi/Luminous, its hard not to buy. Im interested to see what pricing Cree come up with
Cheers
Mark
 
CobKits said:
id like to hear more about this issue so we can all learn from it.
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I will look into the details, as I say customer is pushing to max current, so not super relevant to the grow sector who run soft, but the 058 is a beast so logical heat at max drive could be an issue
 
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