MPA40 – Malico Inc. Home » Heat Sink with Talon Clip » MPA Series » MPA40 – Malico Inc. :: MPA40 :: Dimension Model No. Height (mm) Thickness (mm) Weight (grams) CAD Attachment MPA 40-12 11.6 2.6 21.3 By request Clip , Tape MPA 40-15 14.6 2.6 23.6 By request Clip , Tape MPA 40-18 17.6 2.6 26.0 By request Clip , Tape MPA 40-21 20.6 2.6 28.4 By request Clip , Tape MPA 40-23 22.6 2.6 30.0 By request Clip , Tape MPA 40-28 27.6 2.6 33.9 By request Clip , Tape MPA 40-33 32.6 2.6 37.9 By request Clip , Tape Material : Aluminum 6063 Finish : Black anodize Remarks : Model number MPA40-12 indicate 40x40mm 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) MPA 40-12 3.12 1.78 1.31 MPA 40-15 2.88 1.59 1.13 MPA 40-18 2.67 1.41 0.97 MPA 40-21 2.43 1.25 0.81 MPA 40-23 2.21 1.11 0.73 MPA 40-28 1.98 0.92 0.60 MPA 40-33 1.77 0.76 0.49