MPC37.5 – Malico Inc. Home » Passive Heat Sink » MPC Series » MPC37.5 – Malico Inc. :: MPC37.5 :: Dimension Model No. L x W (mm) Height (mm) Weight (grams) CAD MPC 37.5-12 37.5 x 37.5 11.6 52.4 By request MPC 37.5-15 37.5 x 37.5 14.6 59.3 By request MPC 37.5-18 37.5 x 37.5 17.6 66.1 By request MPC 37.5-21 37.5 x 37.5 20.6 73.0 By request MPC 37.5-23 37.5 x 37.5 22.6 77.6 By request MPC 37.5-28 37.5 x 37.5 27.6 89.0 By request MPC 37.5-33 37.5 x 37.5 32.6 100.4 By request Material : Copper 1100 Finish : Anti-Oxidation Remarks : Model number MPC37.5-12 indicate 37.5×37.5mm 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) MPC 37.5-12 2.96 1.95 1.39 MPC 37.5-15 2.75 1.73 1.19 MPC 37.5-18 2.51 1.51 1.02 MPC 37.5-21 2.22 1.36 0.90 MPC 37.5-23 1.94 1.19 0.75 MPC 37.5-28 1.74 1.02 0.63 MPC 37.5-33 1.51 0.82 0.52