View bf772 datasheet:

BF 772 NPN Silicon RF Transistor • For application in TV-sat tuners ESD: Electrostatic discharge sensitive device, observe handling precaution! Type Marking Ordering Code Pin Configuration Package BF 772 RAs Q62702-F1222 1 = C 2 = E 3 = B 4 = E SOT-143 Maximum Ratings Parameter Symbol Values Unit Collector-emitter voltage VCEO 12 V Collector-emitter voltage VCES 20 Collector-base voltage VCBO 20 Emitter-base voltage VEBO 2 Collector current IC 80 mA Base current IB 10 Total power dissipation Ptot mW TS ? 72 °C 580 Junction temperature Tj 150 °C Ambient temperature TA - 65 ... + 150 Storage temperature Tstg - 65 ... + 150 Thermal Resistance 1) Junction - soldering point RthJS ? 135 K/W 1) TS is measured on the collector lead at the soldering point to the pcb. Semicon