HC45 – Malico Inc. Home » Passive Heat Sink » HC Series » HC45 – Malico Inc. :: HC 45 :: Dimension Model No. L x W (mm) Height (mm) Weight (grams) CAD HC 45-06 45 x 45 6.3 61.0 By request HC 45-10 45 x 45 9.5 82.1 By request Material : Copper 1100 Finish : Anti-Oxidation Remarks : Model number HC 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) HC 45-06 2.88 1.81 1.37 HC 45-10 2.40 1.37 1.04