HCA42.5 – Malico Inc. Home » Heat Sink with Talon Clip » HCA Series » HCA42.5 – Malico Inc. :: HCA 42.5 :: Dimension Model No. Height (mm) Thickness (mm) Weight (grams) CAD Attachment HCA 42.5-06 6.3 1.7 55.0 By request Clip , Tape HCA 42.5-10 9.5 1.7 72.4 By request Clip , Tape Material : Copper 1100 Finish : Anti-Oxidation Remarks : Model number HCA 42.5-06 indicate 42.5×42.5mm is package footprint and 6 mm is overall height , all the dimensions are in arithmetic , the drawing overall height is real dimension :: Rth ( oC/W ) :: Air Velocity / Rth ( oC/W ) 200(LFM) 400(LFM) 600(LFM) HCA 42.5-06 3.10 1.96 1.49 HCA 42.5-10 2.57 1.53 1.13