MPCA27 – Malico Inc. Home » Heat Sink with Talon Clip » MPCA Series » MPCA27 – Malico Inc. :: MPCA27 :: Dimension Model No. Height (mm) Thickness (mm) Weight (grams) CAD Attachment MPCA 27-12 11.6 2.6 27.4 By request Clip , Tape MPCA 27-15 14.6 2.6 30.4 By request Clip , Tape MPCA 27-18 17.6 2.6 33.4 By request Clip , Tape MPCA 27-21 20.6 2.6 36.4 By request Clip , Tape MPCA 27-23 22.6 2.6 38.4 By request Clip , Tape MPCA 27-28 27.6 2.6 43.5 By request Clip , Tape MPCA 27-33 32.6 2.6 48.5 By request Clip , Tape Material : Copper 1100 Finish : Anti-Oxidation Remarks : Model number MPCA27-12 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) MPCA 27-12 4.28 2.76 2.23 MPCA 27-15 4.02 2.56 2.03 MPCA 27-18 3.78 2.35 1.85 MPCA 27-21 3.53 2.19 1.71 MPCA 27-23 3.31 2.00 1.57 MPCA 27-28 3.01 1.83 1.44 MPCA 27-33 2.79 1.70 1.34