Question We are looking at the mechanical tolerance build up. The height is the curtailing factor! Using your data sheet, we calculate this to be : 0.280 (device with tolerance of 10 thou) + 0.025 ( glass bead with tolerance of 5 thou) . This gives a total of 0.305 +/- 15 thou. Please confirm that these values are correct. Answer Please advise that our height of the RDC1740 package in our assembly specification is .290 ± .010, and the standoff is .025 ± .005, for a total of .0315 ± .015. Seems that the datasheet is off by .010 in height. ADI has no plans to implement any change in packages used to manufacture this product.