View bfs17w datasheet:

BFS 17W NPN Silicon RF Transistor • For broadband amplifiers up to 1GHz at collector currents from 1mA to 20mA Type Marking Ordering Code Pin Configuration Package BFS 17W MCs Q62702-F1645 1 = B 2 = E 3 = C SOT-323 Maximum Ratings of any single Transistor Parameter Symbol Values Unit Collector-emitter voltage VCEO 15 V Collector-base voltage VCBO 25 Emitter-base voltage VEBO 2.5 Collector current IC 25 mA Peak collector current ICM f ? 10 MHz 50 Total power dissipation Ptot mW TS ? 93 °C 280 Junction temperature Tj 150 °C Ambient temperature TA - 65 + 150 Storage temperature Tstg - 65 ... + 150 Thermal Resistance 1) Junction - soldering point RthJS ? 205 K/W 1) Package mounted on aluminia 15 mm x 16,7 mm x 0,7 mm Semiconductor Group 1 Nov-28-1996 BFS 17W Electri