2N2192,A,B thru 2N2195,A,B (s.ILlCON) NPN silicon annular transistors for high-current switching and amplifier applications. CASE 31 (TO-S) Collector connected to case MAXIMUM RATINGS Rating Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Total Device Dissipation @ 25°C Ambient Temperature Derating Factor Above 25° C 2N2192 Symbol 2N2192A 2N2192B 2N2194 2N2194A 2N2193 2N2193A 2N2193B 2N2195 2N2195A 2N2195B Unit 2N2194B VCB 60 80 45 Vdc VCEO .