ASSMANN WSW V6560X V6560X Fin heat sink 8.5 K/W (L x W x H) 37.5 x 29 x 12 mm TO 220

Factory colour: Black; Heat sink features: with soldering pins; Material: Aluminium; Material properties: anodised; Product size (height): 12 mm; Product size (length): 37.5 mm; Product size (width): 29 mm; Suitable for: TO 220; Thermal resistance R(th): 8.5 K/W

Price: £ 1.79 from Conrad Electronic