HC40 – Malico Inc. Home » Passive Heat Sink » HC Series » HC40 – Malico Inc. :: HC 40 :: Dimension Model No. L x W (mm) Height (mm) Weight (grams) CAD HC 40-06 40 x 40 6.3 48.0 By request HC 40-10 40 x 40 9.5 64.4 By request Material : Copper 1100 Finish : Anti-Oxidation Remarks : Model number HC 40-06 indicate 40x40mm 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) HC 40-06 3.20 2.04 1.58 HC 40-10 2.68 1.64 1.22