MPC27 – Malico Inc. Home » Passive Heat Sink » MPC Series » MPC27 – Malico Inc. :: MPC27 :: Dimension Model No. L x W (mm) Height (mm) Weight (grams) CAD MPC 27-12 27 x 27 11.6 25.4 By request MPC 27-15 27 x 27 14.6 28.4 By request MPC 27-18 27 x 27 17.6 31.4 By request MPC 27-21 27 x 27 20.6 34.4 By request MPC 27-23 27 x 27 22.6 36.4 By request MPC 27-28 27 x 27 27.6 41.5 By request MPC 27-33 27 x 27 32.6 46.5 By request Material : Copper 1100 Finish : Anti-Oxidation Remarks : Model number MPC27-12 indicate 27x27mm 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) MPC 27-12 4.34 3.05 2.36 MPC 27-15 4.07 2.83 2.15 MPC 27-18 3.78 2.59 1.92 MPC 27-21 3.53 2.33 1.76 MPC 27-23 3.31 2.16 1.62 MPC 27-28 3.01 1.96 1.51 MPC 27-33 2.79 1.78 1.39