A 2N707, (SILICON) CASE 22 (TO-18) Collector connected to case MAXIMUM RATINGS NPN silicon epitaxial mesa transistors for VHF oscillator and class C amplifier applications. Rating Collector-Emitter Voltage Collector-Emitter Voltage (RBE ~ 10 ohms) Collector-Base Voltage Emitter-Base Voltage Total Device Dissipation @ TA = 25°C Derate above 250 C Total Device Dissipation @ TC = 25°C Derate above 250 C Operating and Storage Junction Temperature Range Symbol VCEO VCER VCB VEB PD PD TJ,Tstg 2N7.