HEAT SINK TO-126 21°C/W; Packages Cooled:TO-126; Thermal Resistance:21°C/W; External Height - Metric:19mm; External Width - Metric:22mm; External Length - Metric:19mm; External Diameter - Metric:-; Heat Sink Material:Aluminium; External Height - Imperial:0.75"; External Width - Imperial:0.87"; External Length - Imperial:0.75"; External Diameter - Imperial:-; Product Range:-; SVHC:No SVHC (17-Dec-2015); Surface Finish:Black Anodised