Part Marking Information www.vishay.com Vishay Semiconductors SMPD FRED Pt® Logo 4EDH06 Logo Part Number M321X 16CDU06 Date Code M321X Circuit Diagram Date Code Circuit Diagram (For Dual Die Parts) (For Single Die Parts) 2nd row M Y WW X 1st row 16 C D U 06 Volt class 1 = 100.. 2 = 200.. 3 = 300.. ... Factory designator Week Year 1 = 2011 2 = 2012 .. Environmental digit Family H, U, X, L D = SMPD package C = Common cathode E = Single die Current 10 = 10A 20 = 20A .. Revision: 08-May-14 Part Number ENVIRONMENTAL NAMING CODE A B E F M N G PRODUCT DEFINITION Termination lead (Pb)-free Totally lead (Pb)-free RoHS-compliant + termination lead (Pb)-free RoHS-compliant + totally lead (Pb)-free Halogen-free + RoHS-compliant + termination lead (Pb)-free Halogen-free + RoHS-compliant + totally lead (Pb)-free Green Document Number: 95566 1 For technical questions within your region: [email protected], [email protected], [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000