HEAT SINK, TO-220, 30°C/W; Thermal Resistance: 30°C/W; Packages Cooled: TO-220; External Width - Metric: 22mm; External Height - Metric: 11mm; External Length - Metric: 19mm; External Diameter - Metric: -; Heat Sink Material: Aluminium; External Width - Imperial: 0.87"; External Height - Imperial: 0.43"; External Length - Imperial: 0.75"; External Diameter - Imperial: -; Product Range: -; SVHC: No SVHC (27-Jun-2018); Fixing Hole Diameter: 4mm; Surface Finish: Black Anodised