StrtLED COB & SMD LED Heat Sinks Wakefield-Vette StrtLED COB and SMD LED Heat Sinks for active and passive cooling are available in standard heights and several diameters. The radial heat sinks offer excellent convection heat dissipation. The black anodized units are extruded from a highly conductive aluminum. Wakefield-Vette StrtLED heat sinks are compatible with Edison, Xicato, Bridgelux, Osram, Lumileds, Cree, Tridonic, LG, Lustrous, Prolight, Samsung, SHARP, Luminus and Philips light modules.