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SHTW2 数据表(PDF) 10 Page - List of Unclassifed Manufacturers |
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SHTW2 数据表(HTML) 10 Page - List of Unclassifed Manufacturers |
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10 / 14 page ![]() www.sensirion.com Version 2 – August 2016 10/14 9 Technical Drawings 9.1 Package Outline Figure 10 Package outline drawing of the SHTW2. 9.2 Recommended Metal Land Pattern Figure 11 Recommended metal land pattern for SHTW2 (all dimensions are in mm). Recommended solder paste stencil thickness is 75 to 100 µm. The solder pads on the PCB are recommended to be non solder mask defined (NSMD). Copper traces leading towards the solder pads are recommended to have a width of max. 0.09 mm in the direct vicinity of the pads. For general information on land pattern design refer to the IPC-7351 standard. Dim. Min. Nom. Max. A - 0.16 - B 0.71 0.74 0.77 C 1.28 1.31 1.34 D 0.38 0.40 0.42 E 0.38 0.40 0.42 F 0.78 0.80 0.82 G 0.48 0.54 0.60 H 0.12 0.15 0.18 M 0.17 0.20 0.23 0.4 0.24 Solder pad dimensions (copper) Solder paste dimensions (stencil opening) Package outline |
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