MPC34 – Malico Inc. Home » Passive Heat Sink » MPC Series » MPC34 – Malico Inc. :: MPC34 :: Dimension Model No. L x W (mm) Height (mm) Weight (grams) CAD MPC 34-12 34 x 34 11.6 41.0 By request MPC 34-15 34 x 34 14.6 45.0 By request MPC 34-18 34 x 34 17.6 50.9 By request MPC 34-21 34 x 34 20.6 55.8 By request MPC 34-23 34 x 34 22.6 59.1 By request MPC 34-28 34 x 34 27.6 67.3 By request MPC 34-33 34 x 34 32.6 75.6 By request Material : Copper 1100 Finish : Anti-Oxidation Remarks : Model number MPC34-12 indicate 34x34mm 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 34-12 3.20 2.09 1.56 MPC 34-15 2.94 1.90 1.39 MPC 34-18 2.73 1.71 1.21 MPC 34-21 2.47 1.53 1.02 MPC 34-23 2.26 1.37 0.90 MPC 34-28 2.01 1.17 0.77 MPC 34-33 1.75 1.02 0.66