HEAT SINK TO-220 7.1°C/W; Packages Cooled:TO-220; Thermal Resistance:7.1°C/W; External Height - Metric:25mm; External Width - Metric:42mm; External Length - Metric:38mm; External Diameter - Metric:-; Heat Sink Material:Aluminium; External Height - Imperial:0.98"; External Width - Imperial:1.65"; External Length - Imperial:1.5"; External Diameter - Imperial:-; Product Range:-; SVHC:No SVHC (17-Dec-2015); Fixing Hole Diameter:4mm; Slot Length:8.9mm; Slot Width:3.8mm; Surface Finish:Black Anodised