Zener Voltages: 2V~51V Power Dissipation PD: 200mW Flat Lead SOD-523 Small Outline Plastic Package Band Indicates Cathode B SOD-523 A PACKAGE INFORMATION Package MPQ SOD-523 3K Leader Size 7 inch ORDER INFORMATION Part Number Type SBZX584Bxxx-C Lead (Pb)-free and Halogen-free D E C F .