2N1959 Overview
2N1959 (SILICON) CASE 31 (TO·S) NPN silicon annular transistor designed for highspeed, medium-power saturated switching applications. ~-30V IkQ lpi IkQ INPUT 51Q VDD~ - I V Vee ~ 7V _lp.s_ 40Q +15 INPUT t, ,,;; 4 ns 0 - - 1 - - - - - - 4 - - / ".