MPA45 – Malico Inc. Home » Heat Sink with Talon Clip » MPA Series » MPA45 – Malico Inc. :: MPA45 :: Dimension Model No. Height (mm) Thickness (mm) Weight (grams) CAD MPA 45-12 11.6 2.6 21.3 By request MPA 45-15 14.6 2.6 23.6 By request MPA 45-18 17.6 2.6 26.0 By request MPA 45-21 20.6 2.6 28.4 By request MPA 45-23 22.6 2.6 10.0 By request MPA 45-28 27.6 2.6 33.9 By request MPA 45-33 32.6 2.6 37.9 By request Material : Aluminum 6063 Finish : Black anodize Remarks : Model number MPA45-12 indicate 45x45mm 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 45-12 2.73 1.62 1.14 MPA 45-15 2.48 1.44 0.97 MPA 45-18 2.27 1.29 0.82 MPA 45-21 2.09 1.13 0.68 MPA 45-23 1.88 0.99 0.57 MPA 45-28 1.65 0.86 0.46 MPA 45-33 1.41 0.70 0.35