The BCP1766 www.DataSheet4U.net is suited for the output stage of 0.5W audio, voltage regulator, and relay driver. SOT-89 4 MARKING 1766 Date Code 1 2 3 A E C B D F G H J K L CLASSIFICATION OF hFE Product Rank Range BCP1766-P 82~180 BCP1766-Q 120~270 BCP1766-R 180~390 REF. PACKAGE INFORMATI.