MP475 – Malico Inc. Home » Passive Heat Sink » MP Series » MP475 – Malico Inc. :: MP 475 :: Dimension Model No. L x W (mm) Height (mm) Weight (grams) CAD MP 47.5-12 47.5 x 47.5 11.6 27.0 By request MP 47.5-15 47.5 x 47.5 14.6 31.0 By request MP 47.5-18 47.5 x 47.5 17.6 35.0 By request MP 47.5-21 47.5 x 47.5 20.6 39.0 By request MP 47.5-23 47.5 x 47.5 22.6 41.5 By request MP 47.5-28 47.5 x 47.5 27.6 48.0 By request MP 47.5-33 47.5 x 47.5 32.6 54.5 By request Material : Aluminum 6063 Finish : Black anodize Remarks : Model number MP47.5-12 indicate 47.5×47.5mm 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) MP 47.5-12 2.83 1.70 1.23 MP 47.5-15 2.60 1.50 1.02 MP 47.5-18 2.36 1.35 0.89 MP 47.5-21 2.18 1.18 0.73 MP 47.5-23 1.98 1.04 0.63 MP 47.5-28 1.79 0.09 0.52 MP 47.5-33 1.47 0.74 0.43