MP52 – Malico Inc. Home » Passive Heat Sink » MP Series » MP52 – Malico Inc. :: MP 52 :: Dimension Model No. L x W (mm) Height (mm) Weight (grams) CAD MP 52-12 52 x 52 11.6 30.5 By request MP 52-15 52 x 52 14.6 34.5 By request MP 52-18 52 x 52 17.6 38.5 By request MP 52-21 52 x 52 20.6 42.5 By request MP 52-23 52 x 52 22.6 45.0 By request MP 52-28 52 x 52 27.6 52.0 By request MP 52-33 52 x 52 32.6 58.5 By request Material : Aluminum 6063 Finish : Black anodize Remarks : Model number MP52-12 indicate 52x52mm 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) MP 52-12 2.74 1.63 1.16 MP 52-15 2.50 1.45 0.98 MP 52-18 2.28 1.30 0.84 MP 52-21 2.10 1.14 0.69 MP 52-23 1.90 1.00 0.59 MP 52-28 1.69 0.86 0.48 MP 52-33 1.42 0.71 0.38