The Igloo SR100, SR150, SR200, SR200HP, and SR250HP are a line of bay light heatsinks that target high-wattage LED applications from 100 to 250 W. The heatsinks are made through a stamping process and achieve thermal performance from 0.71°C/W to 0.39°C/W. For high-power chip-on-board (CoB) applications, the heat sinks offer heat pipe models.
The Igloo SR200HP and Igloo SR250HP models incorporate a heat pipe to more efficiently cool the small surface area of CoB LEDs. Using an evaporative concept, the liquid inside the four hermetically sealed pipes get heated by the LED and vaporize. The hot gas then travels through each pipe, carrying heat isothermally throughout the pipe to be cooled by the heatsink, and allowing the entire volume of the heatsink to more efficiently dissipate heat.
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