HEATSINK, TO-220, 63.5MM, BLACK; Thermal Resistance:6.2°C/W; Packages Cooled:TO-220; External Width - Metric:12.7mm; External Height - Metric:63.5mm; External Length - Metric:35mm; External Diameter - Metric:-; Heat Sink Material:Aluminium; External Width - Imperial:0.5"; External Height - Imperial:2.5"; External Length - Imperial:1.378"; External Diameter - Imperial:-; Product Range:E Series; SVHC:No SVHC (15-Jan-2018)