* The XSA-320 Pin Fin Heat Sink are specifically designed for luminaires using the Xicato LED Modules. * Mechanical compatibility with direct mounting of the LED modules to the LED cooler andthermal performance matching the lumen packages. * Thermal resistance range Rth 3.3°C/W. * Xicato Thermal Class F , ( 60° tilt angle, 40°C ambient ) . * The cooler design with mounting holes foreseen for direct mounting of Xicato XSM、 XIM and XTM Modules . * Diameter 58mm – Standard height 50mm , Other heights on request. * Forged from highly conductive aluminum.