MWA21 – Malico Inc. Home » Heat Sink with Talon Clip » MWA Series » MWA21 – Malico Inc. :: MWA21 :: Dimension Model No. Height (mm) Thickness (mm) Weight (grams) CAD Attachment MWA 21-12 11.6 2.6 6.1 By request Clip , Tape MWA 21-15 14.6 2.6 6.6 By request Clip , Tape MWA 21-18 17.6 2.6 7.2 By request Clip , Tape MWA 21-21 20.6 2.6 7.8 By request Clip , Tape MWA 21-23 22.6 2.6 8.2 By request Clip , Tape MWA 21-28 27.6 2.6 9.2 By request Clip , Tape MWA 21-33 32.6 2.6 10.1 By request Clip , Tape Material : Aluminum 6063 Finish : Black anodize Remarks : Model number MWA21-12 indicate 21x21mm 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 21-12 5.59 3.73 3.08 MWA 21-15 5.10 3.46 2.82 MWA 21-18 4.76 3.24 2.59 MWA 21-21 4.43 3.00 2.40 MWA 21-23 4.15 2.81 2.25 MWA 21-28 3.74 2.52 2.04 MWA 21-33 3.43 2.29 1.90