HC5837 – Malico Inc. Home » Passive Heat Sink » HC Series » HC5837 – Malico Inc. :: HC 5837 :: Dimension Model No. L x W (mm) Height (mm) Weight (grams) CAD HC 5837-12 58 x 37 11.5 59 By request Material : Copper 1100 Finish : Anti-Oxidation Remarks : Model number HC 5837-12 indicate 58x37mm is package footprint and 12 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 5837-12 1.74 1.32 1.10