MW22 – Malico Inc. Home » Passive Heat Sink » MW Series » MW22 – Malico Inc. :: MW22 :: Dimension Model No. L x W (mm) Height (mm) Weight (grams) CAD MW 22-12 22 x 22 11.6 5.1 By request MW 22-15 22 x 22 14.6 5.7 By request MW 22-18 22 x 22 17.6 6.3 By request MW 22-21 22 x 22 20.6 6.9 By request MW 22-23 22 x 22 22.6 7.3 By request MW 22-28 22 x 22 27.6 8.4 By request MW 22-33 22 x 22 32.6 9.4 By request Material : Aluminum 6063 Finish : Black anodize Remarks : Model number MW22-12 indicate 22x22mm 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) MW 22-12 5.10 3.45 2.92 MW 22-15 4.78 3.19 2.68 MW 22-18 4.42 2.93 2.43 MW 22-21 4.12 2.69 2.22 MW 22-23 3.84 2.52 2.07 MW 22-28 3.50 2.32 1.91 MW 22-33 3.28 2.12 1.75