HEAT SINK UNDRILED 6.2°C/W External Diameter Imperial External Diameter Metric External Height Imperial 0.43" External Height Metric 11mm External Length Imperial 3.94" External Length Metric 100mm External Width Imperial 1.16" External Width Metric 29.5mm Heat Sink Material Aluminium Packages Cooled TO 218 TO 220 Product Range SVHC No SVHC (15 Jan 2018) Thermal Resistance 6.2°C/W Surface Finish Black Anodised