2N277 (GERMANIUM) 2N278 2N173 2N1099 ~ i CASE 5 lIIl ~ (TO-36) PNP germanium power transistors for general purpose power amplifier and switching applications. Power and temperature ratings exceed EIA registration. MAXIMUM RATINGS Rating Collector-Base Voltage Emitter-Base Voltage Emitter Current-Continuous Base Current Total Device Dissipation @TC = 250 C Derate above 250 C Operating and storage Junction Temperature Range THERMAL CHARACTERISTICS Characteristic Thermal ReSistance, Juncti.