PNP video transistor in a SOT54 (TO-92) plastic package. NPN complement: BFQ231. PINNING BFQ251 page 1 2 3 MSB033 PIN 1 2 3 base DESCRIPTION collector emitter Fig.1 Simplified outline (SOT54; TO-92). QUICK REFERENCE DATA SYMBOL VCBO VCER IC Ptot hFE fT Note 1. Ts is the temperature at the .