View bfs20 datasheet:

DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D088 BFS20 NPN medium frequency transistor 1999 Apr 15 Product specification Supersedes data of 1997 Jul 08 Philips Semiconductors Product specification NPN medium frequency transistor BFS20 FEATURES PINNING • Low current (max. 25 mA) PIN DESCRIPTION • Low voltage (max. 20 V) 1 base • Very low feedback capacitance (typ. 350 fF). 2 emitter 3 collector APPLICATIONS • IF and VHF applications in thick and thin-film circuits. handbook, halfpage 3 DESCRIPTION 3 NPN medium frequency transistor in a SOT23 plastic 1 package. 2 MARKING 1 2 Top view MAM255 TYPE NUMBER MARKING CODE(1) BFS20 G1? Fig.1 Simplified outline (SOT23) and symbol. Note 1. ? = p : Made in Hong Kong. ? = t : Made in Malaysia. LIMITING VALUE