H21 – Malico Inc. Home » Passive Heat Sink » H Series » H21 – Malico Inc. :: H :: Dimension Model No. L x W (mm) Height (mm) Weight (grams) CAD H 21-06 21 x 21 6.3 3.7 By request H 21-10 21 x 21 9.5 4.8 By request H 21-13 21 x 21 12.7 5.9 By request Material : Aluminum 6063 Finish : Black anodize Remarks: : Model number H21-06 indicate 21x21mm 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) H 21-06 6.08 4.41 3.79 H 21-10 5.38 3.91 3.32 H 21-13 4.83 3.43 2.91