HEAT SINK; Packages Cooled:SOT-32 / TO-220; Thermal Resistance:21°C/W; Height:6.7mm; Heat Sink Material:Aluminium; External Depth:35.6mm; External Length / Height:3.2mm; Material:Aluminium; Surface Finish:Black Anodized; External Height:35.6mm; External Width:24mm; Fixing Style:Screw / Glue; Length:3.5mm; Mounting Type:Screw Mount; Package / Case:TO-220 / SOT-32