PHILIPS BFQ221 handbook

The BFQ221 is an NPN video transistor manufactured by Philips. It is mainly used in buffer stages in high resolution color monitors. The transistor is encapsulated in a SOT54 three-terminal plastic package. The maximum collector-base voltage is 100 V, the maximum collector current is 100 mA, and the maximum total power dissipation is 1.15 W.