KT8149A1 Material type: Si Polarity: PNP Maximum power dissipation (Pc): 115 W Maximum allowable collector-base voltage (Ucb): 70 V The maximum permissible collector-emitter voltage (Uce): 60 V The maximum permissible emitter-base voltage (Ueb): 7 V Maximum direct collector current (Ic): 15 A Limit temperature of the PN junction (Tj): 150 ° C Boundary frequency of current transfer coefficient (ft): 4 MHz Static current transfer factor (hfe): 20 ...... 100