HEAT SINK TO-220 28°C/W; Packages Cooled:TO-220; Thermal Resistance:28°C/W; External Height - Metric:20mm; External Width - Metric:19.7mm; External Length - Metric:8.1mm; External Diameter - Metric:-; Heat Sink Material:Aluminium; External Height - Imperial:0.79"; External Width - Imperial:0.78"; External Length - Imperial:0.32"; External Diameter - Imperial:-; Product Range:-; SVHC:No SVHC (17-Dec-2015); Surface Finish:Black Anodised