SEMICONDUCTOR B5A45VI MARKING SPECIFICATION TO-220IS PACKAGE 1. Marking method Laser Marking or Ink Marking. 2. Marking B5A45VI 1 K 2 No. 2008. 1. 16 016 3 Item Marking Description Device Name B5A45VI B5A45VI KEC K KEC CORP. Lot No. 016 Revision No : 1 0 Year 0~9 : 2000~2009 16 Week 16 : 16th Week 1/1