HC27 – Malico Inc. Home » Passive Heat Sink » HC Series » HC27 – Malico Inc. :: HC 27 :: Dimension Model No. L x W (mm) Height (mm) Weight (grams) CAD HC 27-06 27 x 27 6.3 18.8 By request HC 27-10 27 x 27 9.5 24.4 By request Material : Copper 1100 Finish : Anti-Oxidation Remarks : Model number HC 27-06 indicate 27x27mm 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 27-06 4.87 3.39 2.76 HC 27-10 4.20 2.85 2.24