View bfs17a datasheet:

DISCRETE SEMICONDUCTORS DATA SHEET BFS17A NPN 3 GHz wideband transistor September 1995 Product specification File under Discrete Semiconductors, SC14 Philips Semiconductors Product specification NPN 3 GHz wideband transistor BFS17A DESCRIPTION NPN transistor in a plastic SOT23 package. handbook, 2 columns 21 APPLICATIONS • It is intended for RF applications such as oscillators in TV tuners. 3 PINNING MSB003 Top view PIN DESCRIPTION Marking code: E2p. 1 base 2 emitter Fig.1 SOT23. 3 collector QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS TYP. MAX. UNIT VCBO collector-base voltage open emitter - 25 V VCEO collector-emitter voltage open base - 15 V IC DC collector current - 25 mA Ptot total power dissipation up to Ts =70°C; note 1 - 300 mW fT transition fre