I bought some lightbulbs that have a technology I never seen before, the use of LED soldiered straight to the Aluminum oxide heatsink mass. Seems so effective you can get a lightbulb sized led bulb that pushes 9000 lumens like a 100w HID or 600w incandescent. So bright it looks like a stadium. Not only that, no flicker no fan and you can feel the passive convection cooling happening. Stays cool except just the hot alumina part.
The driver sits away from the LED/heatsink combo and connected with 2 wires. I wonder if removing the rest of the bulb it might be possible to build a flashlight using the ceramic/led part. Would be cool to have 9000 lumen passive cooled flashlights with no turbo thermal issues.
by meshreplacer
1 Comment
The smaller bulb is 4200 lumen. So far only company I know makes these is Sansi LED. The prices are cheap for what you get, that alumina heatsink is dense and is probably quite expensive.
Ceramitec makes Alumina heatsinks.
https://www.ceramtec-industrial.com/en/products-applications/heat-sinks/ceramcool-design-data/fin-cooler