MW42.5 – Malico Inc. Home » Passive Heat Sink » MW Series » MW42.5 – Malico Inc. :: MW42.5 :: Dimension Model No. L x W (mm) Height (mm) Weight (grams) CAD MW 42.5-12 42.5 x 42.5 11.6 20.0 By request MW 42.5-15 42.5 x 42.5 14.6 22.6 By request MW 42.5-18 42.5 x 42.5 17.6 25.2 By request MW 42.5-21 42.5 x 42.5 20.6 27.8 By request MW 42.5-23 42.5 x 42.5 22.6 29.5 By request MW 42.5-28 42.5 x 42.5 27.6 33.9 By request MW 42.5-33 42.5 x 42.5 32.6 38.2 By request Material : Aluminum 6063 Finish : Black anodize Remarks : Model number MW42.5-12 indicate 42.5×42.5mm 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 42.5-12 2.76 1.82 1.43 MW 42.5-15 2.48 1.63 1.27 MW 42.5-18 2.25 1.42 1.10 MW 42.5-21 2.04 1.27 0.93 MW 42.5-23 1.86 1.10 0.79 MW 42.5-28 1.66 0.92 0.62 MW 42.5-33 1.39 0.75 0.47