-RosemountThe SK 652 75 SA with Heatsink is an extruded, grilled, black aluminum heatsink extrusion manufactured by Fisher-Rosemount. It has a length of 75 mm, a width of 21 mm, and a height of 10 mm. The thermal resistance is rated at 20.8K/W, and it is designed to dissipate and conduct heat away from electrical components. It is suitable for use in a variety of applications, such as computers, communications equipment, lighting systems, and audio/visual systems.