HEAT SINK TO-220 8°C/W; Packages Cooled:TO-3P TO-220; Thermal Resistance:8°C/W; External Height - Metric:27mm; External Width - Metric:16mm; External Length - Metric:16mm; External Diameter - Metric:-; Heat Sink Material:Aluminium; External Height - Imperial:1.063"; External Width - Imperial:0.63"; External Length - Imperial:1.378"; External Diameter - Imperial:-; Product Range:-; SVHC:No SVHC (12-Jan-2017); Fixing Centres:35mm; Fixing Hole Diameter:1.3mm; Surface Finish:Black Anodised