HEAT SINK TO-220/218 14°C/W; Packages Cooled:TO-126 TO-220; Thermal Resistance:14.2°C/W; External Height - Metric:12.7mm; External Width - Metric:30mm; External Length - Metric:30.2mm; External Diameter - Metric:-; Heat Sink Material:Aluminium; External Height - Imperial:0.5"; External Width - Imperial:1.18"; External Length - Imperial:1.19"; External Diameter - Imperial:-; Product Range:-; SVHC:No SVHC (17-Dec-2015); Slot Length:8.9mm; Slot Width:3.8mm; Surface Finish:Black Anodised