XSA-45 Xicato XSM XIM XTM XLM LED heat sink H25mm*D70mm Xicato XSM XIM XTM XLM COB heat sink XSA-45-M3-B-N / XSA-45-M3-C-N Size: H25mm*D70mm Designed for Xicato XSM series - thermal class F Thermal resistance Rth 2.4°C/W, M2 or M3 mounting holes optional Diameter 70mm xStandard height 40mm, other heights custom required Extruded from highly conductive aluminium alloy 6063-T5 Black and clear anodized standard, more custom colors optional Can be mounted with fans, working as Ative heat sink