SEMICONDUCTOR F1B2CAI MARKING SPECIFICATION TO-220IS PACKAGE 1. Marking method Laser Marking 2. Marking F1B2CAI K 2 No. 2000. 12. 27 1 016 3 Item Marking Description Device Name F1B2CAI F1B2CAI KEC K KEC CORP. Lot No. 016 Revision No : 0 0 Year 0~9 : 1900~1999 16 Week 16 : 16th Week 1/1