MWA55 – Malico Inc. Home » Heat Sink with Talon Clip » MWA Series » MWA55 – Malico Inc. :: MWA55 :: Dimension Model No. Height (mm) Thickness (mm) Weight (grams) CAD Attachment MWA 55-12 11.6 2.6 20.0 By request Clip , Tape MWA 55-15 14.6 2.6 25.7 By request Clip , Tape MWA 55-18 17.6 2.6 28.1 By request Clip , Tape MWA 55-21 20.6 2.6 30.1 By request Clip , Tape MWA 55-23 22.6 2.6 32.6 By request Clip , Tape MWA 55-28 27.6 2.6 37.0 By request Clip , Tape MWA 55-33 32.6 2.6 41.3 By request Clip , Tape Material : Aluminum 6063 Finish : Black anodize Remarks : Model number MWA55-12 indicate 55x55mm 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) MWA 55-12 2.57 1.65 1.25 MWA 55-15 2.28 1.45 1.07 MWA 55-18 2.06 1.28 0.91 MWA 55-21 1.87 1.10 0.77 MWA 55-23 1.67 0.97 0.67 MWA 55-28 1.47 0.83 0.53 MWA 55-33 1.20 0.64 0.38