HCA45 – Malico Inc. Home » Heat Sink with Talon Clip » HCA Series » HCA45 – Malico Inc. :: HCA 45 :: Dimension Model No. Height (mm) Thickness (mm) Weight (grams) CAD Attachment HCA 45-06 6.3 1.7 64.6 By request Clip , Tape HCA 45-10 9.5 1.7 83.7 By request Clip , Tape Material : Copper 1100 Finish : Anti-Oxidation Remarks : Model number HCA 45-06 indicate 45x45mm 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 45-06 2.88 1.81 1.37 HCA 45-10 2.40 1.37 1.04