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SHT3X Arkusz danych(PDF) 8 Page - List of Unclassifed Manufacturers |
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SHT3X Arkusz danych(HTML) 8 Page - List of Unclassifed Manufacturers |
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8 / 13 page ![]() Datasheet SHT3x-ARP www.sensirion.com May 2015 - Version 0.93 8/13 5 Packaging SHT3x-ARP sensors are provided in a DFN package. DFN stands for dual flat no leads. The humidity sensor opening is centered on the top side of the package. The sensor chip is made of silicon and is mounted to a lead frame. The latter is made of Cu plated with Ni/Pd/Au. Chip and lead frame are overmolded by an epoxy-based mold compound leaving the central die pad and I/O pins exposed for mechanical and electrical connection. Please note that the side walls of the sensor are diced and therefore these diced lead frame surfaces are not covered with the respective plating. The package (except for the humidity sensor opening) follows JEDEC publication 95, design registration 4.20, small scale plastic quad and dual inline, square and rectangular, No-LEAD packages (with optional thermal enhancements) small scale (QFN/SON), Issue D.01, September 2009. 5.1 Traceability All SHT3x-ARP sensors are laser marked for easy identification and traceability. The marking on the sensor top side consists of a pin-1 indicator and two lines of text. The top line consist of the pin-1 indicator which is located in the top left corner and the product name. The small letter x stands for the accuracy class. The bottom line consists of 6 letters. The first two digits XY (=AR) describe the output mode. The third letter (A) represents the manufacturing year (4 = 2014, 5 = 2015, etc). The last three digits (BCD) represent an alphanumeric tracking code. That code can be decoded by Sensirion only and allows for tracking on batch level through production, calibration and testing – and will be provided upon justified request. If viewed from below pin 1 is indicated by triangular shaped cut in the otherwise rectangular die pad. The dimensions of the triangular cut are shown in Figure 11 through the labels T1 & T2. Figure 10 Top View of the SHT3x-ARP illustrating the laser marking. . XYABCD SHT 3 x |
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