Part Marking Information Vishay Siliconix DEVICE: SOT-231 SOT-23 ABYWL Pin 1 AB = Part Number Code2 Y = Year Code W = Week Code L = Lot Code NOTES: 1. Wafer Fab and Assembly Factory Codes are designated by size and orientation of characters and/or bars above or below characters. 2. See data sheet for code. The current marking strategy is reflected. Contact your local sales representative for historical marking strategies for these packages. Document Number: 72763 23-Mar-04 www.vishay.com 1