MPCA42.5 – Malico Inc. Home » Heat Sink with Talon Clip » MPCA Series » MPCA42.5 – Malico Inc. :: MPCA42.5 :: Dimension Model No. Height (mm) Thickness (mm) Weight (grams) CAD Attachment MPCA 42.5-12 11.6 2.6 71.9 By request Clip , Tape MPCA 42.5-15 14.6 2.6 81.1 By request Clip , Tape MPCA 42.5-18 17.6 2.6 90.4 By request Clip , Tape MPCA 42.5-21 20.6 2.6 99.6 By request Clip , Tape MPCA 42.5-23 22.6 2.6 105.8 By request Clip , Tape MPCA 42.5-28 27.6 2.6 121.2 By request Clip , Tape MPCA 42.5-33 32.6 2.6 136.6 By request Clip , Tape Material : Copper 1100 Finish : Anti-Oxidation Remarks : Model number MPCA42.5-12 indicate 42.5×42.5mm 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) MPCA 42.5-12 2.98 1.73 1.19 MPCA 42.5-15 2.72 1.44 1.00 MPCA 42.5-18 2.47 1.23 0.84 MPCA 42.5-20 2.22 1.06 0.71 MPCA 42.5-23 1.94 0.92 0.62 MPCA 42.5-28 1.71 0.78 0.51 MPCA 42.5-33 1.51 0.65 0.41