HEAT SINK TO-220 ETC 13.5°C/W; Packages Cooled:TO-218 TO-220 TO-247 TO-248; Thermal Resistance:13.5°C/W; External Height - Metric:25mm; External Width - Metric:29mm; External Length - Metric:12mm; External Diameter - Metric:-; Heat Sink Material:Aluminium; External Height - Imperial:0.98"; External Width - Imperial:1.14"; External Length - Imperial:0.47"; External Diameter - Imperial:-; Product Range:-; SVHC:No SVHC (12-Jan-2017); Surface Finish:Black Anodised