AP3917DOrdering InformationAP3917D X - X Product Name Package Packing S7 : SO-7 13 : 13" Tape & Reel TC13’’Tape and ReelUPackagePart NumberMarking IDQuantityPart Number SuffixD O SO-7 AP3917DS7-13 3917D 4000/Tape and Reel -13 RPWMarking InformationEPackage Type: SO-7N(Top View) Logo YY : Year : 19, 20, 21 ~ Marking ID 3917D WW : Week : 01~52; 52 represents 52 and 53 week YY WW X X X X : Internal Code