EX21 – Malico Inc. :: EX21 :: Dimension Model No. L x W (mm) Height (mm) Weight (grams) CAD EX 21-10 21 x 21 9.7 3.4 By request Material : Aluminum 6063 Finish : Black anodize Remarks : Model number EX21-10 indicate 21x21mm is package footprint and 10 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) EX 21-10 12.23 9.70 8.35 Interface material : 0.80 W/mk