HEAT SINK STAR PACKAGE; Product Range:-; For Use With:Bridgelux LED Light Engines; Heat Sink Material:Aluminium; Thermal Resistance:2.48°C/W; External Height:69.85mm; External Diameter:42.01mm; SVHC:No SVHC (17-Dec-2015); External Diameter - Imperial:1.65"; External Diameter - Metric:42.01mm; External Length - Imperial:2.75"; External Length - Metric:69.85mm; Packages Cooled:LED