HEAT SINK BIG CHIEF TO247/218; Packages Cooled:TO-218 TO-247; Thermal Resistance:6.26°C/W; External Height - Metric:35mm; External Width - Metric:35mm; External Length - Metric:22mm; External Diameter - Metric:-; Heat Sink Material:-; External Height - Imperial:1.38"; External Width - Imperial:1.38"; External Length - Imperial:0.87"; External Diameter - Imperial:-; Product Range:-; SVHC:No SVHC (17-Dec-2015)