The 2SC1623 is designed for use driver stage of AF amplifier and general purpose application. PACKAGE DIMENSIONS A L S 3 Top View SC-59 Dim A Min 2.70 1.30 1.00 0.35 0.00 0.10 0.20 1.25 2.25 Max 3.10 1.70 1.30 0.50 0.10 0.26 0.60 1.65 3.00 2 1 B B C D D G C H COLLECTOR BASE EMITTER G H J K .