SEMICONDUCTOR B20A100VIC MARKING SPECIFICATION TO-220IS PACKAGE 1. Marking method Laser Marking or Ink Marking. 2. Marking B20A100V 1 IC K 501 3 2 No. 2005. 11. 1 Item Marking Description Device Name B20A100VIC B20A100VIC KEC K KEC CORP. Lot No. 501 Revision No : 0 5 Year 0~9 : 2000~2009 01 Week 01 : 1st Week 1/1